CDC 3E052 Electrical Power Production Journeyman Practice Exam

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• Which installation scenario requires removing a tire during MAAS uni-directional setup?
• When the BEAR Power Unit fuel looks cloudy during cold temperature operations, the fuel has reached what point?
• Which component's belt is replaced at the 4000-hour inspection to ensure proper speed of the alternator and continue to provide proper voltage?
• How many support blocks are in the standard Type-H configuration?
• When would static ground be utilized?
• To enable remote operation, which software is needed for BEAR Power Units?
• In cold weather operation, what heating device does the Digital Control System use for coolant?
• What is the approximate life span of a Small Shelter System when erected for longer periods?
• What is verified about the tape connector during weekly inspection?
• What is the primary use of Basic Expeditionary Airfield Resources (BEAR) assets?
• How long is the Time Delay Normal to Emergency (TDNE) adjustable for?
• Which standard is a federal regulation and affects all general industry employees?
• When using an oscilloscope, what value is being measured?
• How often are the wheel bearings lubricated on the MRES?
• What was invented to ease the transition for technicians programming PLCs, while they replaced mechanical relay logic systems?
• The amount of charge the material inhibits or encourages is called what?
• What should personnel wear when performing tasks on medium voltage power distribution components?
• If a resistor has a sixth band, what does that mean?
• Which action is required if corrosion is discovered during a daily inspection of the BPU's battery connections?
• What is the purpose of a gasket?
• What is the most common type of load bank?
• The threshold current value associated with heart rhythm problems during electrical exposure is which of the following?
• Which component is installed when tail hook equipped aircraft utilize the airfield?
• Aluminum cables are generally selected for use in
• Which regulation is enforced by the UCMJ and applies to work tasks associated with electricity?
• Which MEP unit utilizes full control authority for fuel governing?
• The #1 criteria for selecting cables is?
• Why must an unqualified person be escorted at all times within the limited approach boundary?
• If a circuit has higher amperage or volt ratings, then what type of fuse will be used?
• Which component is used to engage the starter motor with the engine flywheel?
• The acceptable California Bearing Ratio for installing the lightweight fairlead beam is?
• For a system to be considered grounded it must ____________?
• If the voltage output goes to zero, what will the voltmeter read?
• What maintenance interval is used for cropping the MAAS tape?
• After the method used for phase identification is applied it will be?
• What type of clothing should be worn for arc flash protection when working on medium voltage distribution components?
• Which type of technical order update changes data in the basic technical order without replacing the existing pages?
• Which condition can cause knocking in a gasoline engine?
• In a base located in a high threat location, what distribution method should be used?
• What purpose can a resistor serve in a circuit?
• In order for the facility load to operate properly the generator and transfer switch must do what?
• Which of the following is commonly used to determine fuel consumption data for generators?
• Static grounding during fueling operations is implemented to prevent static electricity from reaching what hazard?
• Knowing the amount of fuel required to operate at a generator site is critical to ensure what?
• Why is the BAK-15 considered an emergency barrier and only installed in the overrun?
• During the daily inspection, drive chains are checked for what?
• During a daily MRES inspection, the front and rear sheave weldments will be checked for?
• Which mode does the charger enter after the battery has completed charging?
• Supplemental coolant additives are best described as which of the following?
• What code requires an action to reset the fault?
• Which is not a source for determining a generator's fuel consumption rate?
• Conventional antifreezes use what type of additives to achieve corrosion and scale protection?
• When the Type-H reaches 10 years in service, which maintenance action is a requirement?
• What type of corrosion occurs when two different metals contact each other in the presence of moisture?
• Which instrument measures external dimensions with moderate accuracy, such as bolt size?
• The addition of extra shots or weights to the E-5 barrier is contingent on what?
• The BEAR Power Unit can be controlled remotely using which software?
• Which inspection interval includes verifying the BPU chassis ground connection for security and resistance value?
• During a weekly inspection, what should the tape connector be inspected for?
• Which component is a coiled wire that heats up when power is applied?
• Which device provides the mechanical action to connect Source 1 to Source 2 in an automatic transfer switch?
• Within the limited approach boundary, unqualified personnel must be escorted at all times by someone trained in electrical hazards avoidance.
• What is the purpose of a capacitor?
• When do you use a power factor other than 0.8 for a three-phase power source?
• Excessive smoke observed at engine startup most directly indicates a malfunction in which system?
• Which statement describes the requirements to use InPower BPU on a standard personal computer?
• What could result if phase identification was not done correctly?
• Which signal indicates the system has reached its full travel and triggers de-energization of the motor?
• What component is described as a grounding path created by driving an electrode into the earth?
• Which factor is considered when configuring the BAK-12?
• Which mechanical removal method uses abrasive paper to remove light corrosion not deeply pitted into metal?
• Color coding, marking tape or tagging are used for what purpose in electrical installations?
• What is the minimum arc rating of category 2 PPE?
• Why must the BPUs load ground connection, output, terminals, and parking stands be inspected daily?
• Which type of battery uses fine, highly porous micro-fiber glass separators to absorb the electrolyte?
• A phenomenon where a flash over of electrical current leaves its intended path and travels through the air from one conductor to another is the definition of
• What characteristics describes an 800 series MEP unit?
• Which statement about the 10-year service milestone for the Type-H is correct?
• During site selection, which measurement is used to determine suitability for MRES installation?
• Which component moves oil from the oil pan and delivers it throughout the engine?
• What is the end product if DEF is used in conjunction with an SCR Catalyst in a diesel exhaust system?
• Which function follows sensing in an electronic governing system?
• Damper windings in an alternator primarily serve to
• What is the recommended height of a sunshade over a BEAR Power Unit?
• The pressure release from instantaneous heating of the air surrounding the arc and the expansion of vaporized metal is known as what?
• Where can the rate of fuel consumption be found for a generator?
• Which statement best describes an improper approach to power requirement determination?
• If pretensioning springs were not used, what component would likely be damaged when crossing the pendant cable?
• What can "knock"?
• Which layout supports distribution of power in a BEAR base with high-threat conditions?
• What dictates how and when BEAR assets deploy under the BEAR Order of Battle concept?
• When referring to RMS value, what do most voltmeters measure?
• The BEAR Power Unit remote control uses which software from a remote location?
• Arc flash is described as a hazardous event in which current travels through air between conductors. Which of the following best defines arc flash?
• In a gasoline engine, what would cause a lower power output, in relation to the intake and exhaust system?
• Why does the Primary Switching Center allow for a safer work environment when dealing with the primary distribution system?
• What happens when you increase frequency through an inductor?
• During a monthly MRES inspection, brake lines and fittings should be inspected for what?
• If the Automatic Voltage Regulator computed a positive error signal then how would that affect the stator's output voltage?
• What is the purpose of engine pre-heating devices?
• When two plates of a capacitor are connected to a voltage source, what happens between them?
• If hydraulic fluid pressure increases inside the shuttle valve, which of the following will occur?
• Which organization uses BEAR assets for beddown of combat expeditionary forces?
• What are the construction factors of an inductor?
• What is the maximum acceptable ground slope for BPU installation?
• During preventative maintenance, how often is the MAAS tape cropped?
• Which capability does the battery have?
• Small shelter systems offer an advantage over temper tents because_________.
• What effect does burying the arresting chain have on the performance of the E-5 barrier?
• EPA standards may require what to be used?
• When using a 60 kW Power Distribution Panel, how many 25 kW Power Distribution Panels can be connected to it?
• Which form is used to submit recommended TO changes?
• When should gasket sealant be used?
• When coolant contacts the cylinder liner directly, what type of liner is used?
• During an annual/8800 hour inspection of the BPU, ensure the entire circuit breaker and operating mechanisms are inspected for what?
• When does the intake event begin on a two-stroke diesel engine?
• For uni-directional configuration, how many modules does each stage use?
• The two pendant cable lengths on MAAS are intended to accommodate what operational factor?
• Which statement best describes final practice for phase identification after installation?
• Which statement is true about AWG sizing?
• What assembly is checked for centerline, elevation and alignment during a daily inspection?
• What is the purpose of an oil filter?
• Electrical systems are grounded to prevent surges due to ______, line surges and unintentional contact with higher voltage lines?
• Which of the following is the best example of an equipment ground?
• Which alternator component helps maintain stable voltage during load changes?
• Which option best represents the acceptable CB ratio value for the lightweight fairlead beam installation?
• What is the slope percentage allowed between the MAAS and the MRES during site selection?
• Why are electronic governors used instead of mechanical?
• A feeler gauge is used to measure which quantity?
• Why do you verify the SAFE/ARM switch is in the ARM position during a daily inspection?
• Why must the centerline of the runway sheaves project above the surface of the runway?
• Conventional antifreezes use which type of additives to achieve corrosion and scale protection?
• What is the purpose of Shutdown, Fault, and Warning Codes?
• Who is authorized to disconnect power plant output cables?
• What is required when a BAK-12 reaches its 10 year mark?
• At temperatures above 125 F may require the installation of _______________ to prevent solar heat buildup on generators and fuel sources.
• Which document should be consulted to ensure proper grounding procedures for power plant units?
• When is the pre-lubrication pump used in the BEAR Power Unit?
• In a humid environment, what is necessary to prevent condensation build within the fuel tank?
• When installing BEAR base 60 amp secondary cable assemblies, the maximum distance of cable runs is __________, if no other alternative exists.
• Which statement describes the benefit of interconnecting BEAR power plants in the event of an attack?
• In a diesel exhaust system using DEF with an SCR catalyst, the end products of the NOx reduction reaction are?
• During the monthly inspection the stanchion hydraulic components are inspected for?
• During monthly hydraulic checks, which measurement indicates an external leak?
• What is the primary purpose of a torque wrench?
• What type of silencer is efficient at mitigating low to mid frequency noise only?
• Why should care be taken around pressurized hydraulic systems or cables under tension?
• What is the function of the intake valves?
• A tachometer is best used for what measurement?
• How must the yokes be positioned when ensuring proper pendant tension?
• What electrolyte solution is used in a lead-acid battery?
• Which factor should be considered to prevent environmental damage during BEAR operations?
• Which generator operating mode uses an electronic governor for precise speed control?
• Spacing BPUs during installation helps ensure maintenance access and which other requirement?
• Which type of wiring diagram uses different line thicknesses to distinguish between circuits such as primary, emergency and load circuits?
• Which UFC publication provides minimum guidance for operations and maintenance of standby, emergency and prime power generators?
• What is the primary purpose of the BEAR Power Unit primary fuel water separators?
• Which statement about runway spacing is correct?
• After an arrestment, what must the tape be inspected for?
• What are inductors used for?
• The centrifugal water pump draws coolant into the center of the impeller and then_____.
• During daily inspection, which component must be checked to ensure correct indexing of the cam control system?
• Why must the distance between the fuel bladders and the BEAR Power Unit not exceed 100 feet?
• Which coolant pre-heating method is described as fuel-fired?
• Which of these does not provide a form of fuel filtration?
• To obtain a proper voltage reading for phase-to-neutral in a three-phase system, you should connect between
• Which valve is located in the overhead valve train of a two-stroke diesel engine?
• Which component moves the contact assemblies between Source 1 And Source 2?
• The Textile Brake arresting system uses a ______ inch pendant cable.
• Which points are used to measure phase voltage?
• If the plan is to install the MAAS on prepared foundations then it must meet the standards of which organization?
• During installation planning for the MAAS the site should permit usable portion of the runway in the event of a(n)?
• When the piston begins to travel downward in the cylinder, what occurs?
• Which of the following does NOT need to be known to complete a load survey?
• Why does the recommended change process require such scrutiny?
• Sunshades installation is intended to prevent solar heat buildup on which components?
• Which factor is commonly used to describe the superior fuel efficiency of diesel engines?
• What signals the system is fully raised or retracted and causes the electric motor to be de-energized?
• Which is an optional runway spacing configuration of the Type-H?
• Which multimeter setting should be used to identify voltage presence during fault location?
• How is power supplied to single unit PLCs?
• How many conductors make up a capacitor?
• At what inspection interval should the air filter and silencer be cleaned?
• The E-5 barrier is used in the overrun because of maintenance consideration?
• Which statement is true about MAAS tape maintenance intervals?
• If a diode is reverse biased, what happens to current flow?
• When support discs are properly spaced, what should the effective pendant height be?
• What hosts the PLC logic, memory and communications?
• What component will be used to aid in a cold engine start?
• What is the name of an Army produced program that can aid in power requirements for a deployed location?
• During which maintenance interval is the transmission loop tension checked?
• Which InPower function can energize a specific electrical component without damaging the unit or risking personnel injury?
• What is the first step in viewing inactive or intermittent faults using the InPower BPU service tool?
• A mechanical fuel pump is actuated by what?
• If the installation of the BAK-12 is going to last over a year then,
• On an SDC, what prevents power from being supplied to both the primary and alternate power source?
• What is the proper configuration for tail hook equipped aircraft?
• When fuel is mixed with air and ignited by an electric spark from the ignition system, what occurs?
• For measuring the thickness of a bolt, which tool would you use?
• In a full-wave bridge rectifier, how many rectifying diodes are used?
• In a base-load control scenario, 'base load' refers to what?
• If obstacles cause the straps to sweep, what could occur?
• Which standard provides guidance on electrical PPE and is associated with OSHA responsibilities?
• Why is the E-5 barrier only used in the over run?
• If cooling air passes over intake air then this is a/an?
• What type of code will allow the generator to continue to operate, giving operators time to correct?
• What function does a diagnostic tool used for generators or motors perform?
• Which ATS command is used to start the generator?
• What tool can be used, with AF Form 487s, to determine real property facility power requirements?
• Which of the following is NOT a requirement of a basic circuit?
• In AWG sizing, what happens to the cross-sectional area as the gauge number increases?
• Which device is commonly used to aid a cold engine start by restricting air flow?
• Why must the primary distribution cables be as short as possible when installed at a bare base?
• If obstacles in the area are swept by the straps, what could occur?
• If water or sediment is found in the BEAR Power Unit primary fuel water separators during the daily inspection personnel would
• During the 4000 hour inspection, the BEAR Power Unit's battery-charging alternator belt is replaced to
• When performing a daily inspection requirement, a technician would?
• When checking the hydraulic fluid in a monthly inspection, a drop of _______ with respect to maximum highest level indicates an external leak.
• Which component houses a microprocessor that controls all ATS functions?
• If a light emitting diode is illuminated, the diode must be
• What is the purpose of the additive within the coolant filters?
• What are PLCs replacing?
• Which instrument is typically used to verify a small clearance dimension such as spark plug gap?
• What term describes a temporary protection applied to surfaces where the coating has been damaged or removed?
• If hydraulic system pressure exceeds the safe maximum valve during an arrestment, what will occur?
• What additional equipment does the XFAPH High Power Unit Type code provide along with two BEAR Power Units?
• Which statement best describes the Digital Control System's purpose in the BPU?
• In the event of an accidental vehicle separation, what MAAS component activates the hydraulic braking system?
• When can additional shots, weights or both be added to the standard configuration of an E-5 barrier?
• How many personnel are sufficient to set up a Small Shelter System (SSS) in about 1.5 hours?
• Insulators have how many electrons in their valence shell?
• What component separates the tensioning assembly from the braking assembly during an arrestment?
• For BAK-12 installations lasting over a year, how can the energy absorber be anchored?
• Which TO update changes data in the basic TO without replacing existing pages?
• Which energy form is stored in a battery prior to use?
• The pressure release from instantaneous heating of the air surrounding an electrical arc and the expansion of vaporized metal is defined as what?
• During the soil uni-directional MAAS installation, how is the trailer position determined?
• Besides current limiting, what other role can a resistor serve?
• A mechanical fuel pump is typically driven by which engine component?
• When performing a daily inspection, what check must be completed?
• If the cylinder head forms the top of the combustion chamber, which component forms the bottom?
• Why must the transfer switch have a switched neutral?
• Which diagram informs technicians where to connect electrical test equipment and provides wire identification?
• Which component stabilizes oil pressure at all speeds?
• How many modules are used for each stage when configured for uni-directional?
• Which type of protective device provides a time delay and must be replaced when actuated?
• The BEAR Power Unit overhaul is performed after how many hours of operation?
• Which is a major advantage of a diesel engine over gaseous engines?
• In an ATS, which component houses the microprocessor that controls all ATS functions?
• What is not a method of determining power requirements?
• Which emission-control agent is commonly required for diesel engines to meet EPA standards?
• Why should power plants have the capability of being electrically interconnected?
• To install MAAS bi-directionally on concrete, how many anchor plates are required?
• Current is measured in?
• Which component is used to relieve excess hydraulic pressure when necessary?
• How many complete revolutions of the crankshaft are required for a two-stroke engine?
• Specific gravity is affected by which two factors?
• Which cleaning method combines mechanical spray action with the chemical reactions used in the solutions?
• To supply power from the primary distribution system to the 16 low-voltage outputs of the Secondary Distribution Center, what must occur first?
• To supply a utility with a certain amount of power, the ECU must be set to what?
• The effect of burying the arresting chain on E-5 barrier performance is?
• Which diagram is best described as showing the wiring of a system with a single line representing multiple conductors and is used to distinguish primary, emergency, and load circuits?
• Which tool would you use to monitor system performance when facing intermittent electrical issues?
• Why does a MAAS set come with a 90 foot and 153 foot pendant cable?
• What is the process of breaking up fuel into fine droplets to mix with air called?
• When more permanent facilities are developed, what type of tents are no longer used?
• Which statement describes the Type-H system's primary function regardless of energy absorber choice?
• If facility loads are not sufficient in bringing the generator to the required load level, then what should be done?
• How often should trough assemblies, hand hole, and pull box be inspected?
• Why is SSS better than Temper tent?
• Supplemental coolant additives are a water-soluble chemical compound that protects metal surfaces of the cooling system against
• Legacy MEP units are best described as relying primarily on
• What is one cause of air in the fuel lines?
• In a three-phase system, which connection has a neutral conductor?
• If loads are not balanced between phases, how will this affect the generator?
• The centerline of the lightweight fairlead beam sheaves should project at least 1 foot above the runway because?
• What happens when a source voltage is supplied to an uncharged capacitor?
• What is the first step to starting a TO change?
• Which statement below provides one of the reasons for the installation of a BAK-14?
• What is the purpose of the 72-hour fuel allocation during BEAR Base beddown?
• What air cleaner has air travel through two filters before entering intake piping?
• Why should you seek professional medical treatment after an electrical shock occurs?
• What maintenance symptom would indicate a coolant system problem such as a cap failure?
• Which of these will be accomplished on a daily inspection?
• If equipment is not shared with other installations, which manuals are used?
• For which configuration of the BAK-14 would 20 support boxes be installed?
• What inspection item will be performed on an annual basis?
• Which component connects the net to the rest of the tail hook system in aircraft?
• In an alternator, which component rotates and provides AC voltage to rectifier diodes?
• If using a multi-conductor cable assembly then you must ensure ?
• During daily MRES inspection, which component's weldments are checked for burrs and sharp edges?
• At what current value do heart rhythm problems begin?
• Which statement is true about the BAK-15 emergency barrier?
• Why is 72 hours of fuel recommended for initial beddown of a BEAR Base?
• At 1500 RPM with a 4-pole generator, the frequency is
• Which connectors allow connection of an external DC power supply if the onboard batteries fail?
• How are recommended TO changes submitted?
• A leading power factor indicates the load is
• Which type of grounding radiates wires horizontally from a central point?
• When installing earth anchor stakes for a uni-directional MAAS, what degree must be maintained?
• When the depletion region meets an equilibrium, this produces what?
• When applying gasket sealant, which statement best describes proper usage?
• Why is the cam checked for a 15° setting during the daily MAAS inspection?
• Which type of wiring diagram is used primarily in power plants and shows the connections between generators and switchgear but excludes internal connections of equipment?
• Who has the ultimate authority over technical orders for applicable systems, sub-systems, and activities?
• During monthly MAAS inspection, what is the purpose of checking the rotation freedom of the sheaves?
• The TDNE setting is adjustable from:
• Closing a switch S1 would cause the total current to
• Why must the ground slope not exceed 8 percent during the installation of the lightweight fairlead beam?
• Absorbed Glass Mat batteries use which feature to absorb the electrolyte?
• During which phase is the pre-lubrication pump activated?
• The Air Force uses which deployable assets for beddown of combat expeditionary forces?
• The test strap assembly is removed periodically for what purpose?
• Why is it important to know a facility's power requirements?
• Why are electrical systems and equipment grounded?
• What type of valves are located in the overhead valve train of a two-stroke diesel engine?
• In a two-stroke engine cycle, how many crankshaft revolutions make up a complete cycle?
• Which of the following statements best describes the order of operations in an electronic control loop from sensing to action?
• When comparing SSSs to temper tents, which of the statement(s) is/are accurate?
• Power in a DC circuit is calculated as P equals
• In a load bank, which component is designed to heat by electrical resistance?
• If the BPU is fully loaded, how long can the onboard fuel system sustain engine operation?
• Which statement best describes the purpose of a battery?
• Why must total diversified load be calculated?
• Which formula is used to determine power consumption in a DC circuit?
• Which feature of the Primary Switching Center improves safety?
• Which method of air pre-heating functions strictly operates off on-board battery voltage?
• What purpose does the support box heater element serve on the BAK-14?
• What is the purpose of a four-stroke diesel engine?
• Which type of technical publication covers installation, operation, troubleshooting, and repairing and must be available on the job site when work is being performed?
• What happens when the shuttle valve is placed in the ON position?
• Which software enables BEAR Power Unit remote control from a remote location?
• How many support blocks are in the standards configuration of the Type-H?
• When grounding power plant units, what should be referenced?
• What component moves oil from the oil pan and delivers it throughout the engine?
• What characteristics describe the legacy MEP units?
• What type of resistors exist?
• When determining configuration of the BAK-12, which of the following factors is taken into consideration?
• Specific gravity is affected by which of the following combinations?
• Which is a primary reason to use BEAR assets?
• What happens when current rises above amperage rating on a fuse link?
• Where can the Remote Operating Panel software used to control the BEAR Power Unit from a remote location be found?
• Upon starting the engine, check for excessive smoke. Why?
• Which grounding principle is defined as protecting personnel from shock, electrocution, fire and explosion hazards by equalizing the potential between ground and normally non-current carrying conductive materials?
• What standard was created to fulfill the responsibilities of OSHA and provide additional guidance on electrical PPE?
• Which of the following best describes a characteristic of a parallel circuit?
• What is a common cause of a high temperature coolant system malfunction?
• Insulators have how many electrons in their valence shell?
• Which component uses low amperage to operate a high amperage component?
• The MAAS tape system's 66 inch storage reel provides a specific runout length. How long is that runout?
• What is required to operate BEAR Power Units from a remote location?
• Which statement about Direct Immersion (Coolant Type) pre-heating is correct?
• When multiple conductors of the same insulation color go through conduit, it is necessary to?
• Which generator operating mode employs an electronic governor?
• In a lead-acid battery, the electrolyte's role is to what?
• In a charging cycle, which mode is described as Conditioning Battery Mode?
• If the power factor meter indicates to the left, the load is what?
• If soils are below 7 CBR value during site planning, what structural element is planned?
• During the monthly MAAS inspection, why are the sheaves checked for freedom of rotation?
• Which UFC publication is cited as providing generator Operation and Maintenance guidelines?
• What category of code requires an action to reset the fault?
• What is the primary purpose of grounding in electrical systems?
• Which statement best describes Ladder Logic?
• The use of a 66 inch purchase tape storage reel on the MAAS allows for what capability?
• The component that forms the bottom of the combustion chamber when the cylinder head forms the top is
• At the end of a BAK-12's ten-year service life, the system must undergo what action?
• Which of the following describes the effect observed when the depletion region reaches equilibrium?
• When do the lines of flux cut across the inductor coil?
• In the event of a power failure, the ability to raise and lower the pendant cable is achieved by?
• In terms of electrical shock, touch potential is when current flows from which path?
• Why does the E-5 barrier require pretensioning springs?
• In order to raise the ramps on the Type-H system, what rotates in the opposite direction?
• Why is a three-point elastomer isolation configuration used when anchoring the chassis skid to the trailer assembly?
• Maintenance personnel must exercise extreme caution at all times. What could the consequences of carelessness and accidental contact be?
• Which term describes the smallest unit of a chemical element?
• What is the purpose of the oil cooler?
• What function does a general diagnostic tool perform in a circuit?
• Why does the recommended change process require such scrutiny?
• What is the purpose of the flywheel?
• Seals are comprised of what material?
• Which measurement is used to determine site suitability for MRES installation?
• Which component energizes and protects the load bank control circuits?
• In the engine lubrication system, which component helps prevent oil from overheating by removing heat?
• Which safety standard is described as a living document?
• Which component indicates when the load bank airflow safety switch activates and shuts down the resistive elements to prevent damage?
• What happens if the aircraft exceeds the capacity of stage 1 of a textile brake system?
• Which fuel injection system is designed for applications with relatively broad speed requirements?
• How should you proceed to prevent cross threading when starting fasteners?
• When is power factor not used in an equation?
• Which term describes the piston at the upper limit of travel in the cylinder?
• The BAK-14 configuration with 20 support boxes is installed on runways of widths?
• Which statement about BPU site slopes is correct?
• What supplies fresh air to the air box in a two stroke diesel engine?
• Which diagram is typically used to display plant-wide connections between generators and switchgear without showing internal equipment connections?
• When equipment has wide commercial usage, the Air Force typically relies on:
• What is the life expectancy of the BPU when stored outside?
• During site planning for the MAAS what dictates site location?
• What is the main function of the electric motor on the Type-H cable support system?
• Reverse biasing a diode has what effect on current flow?
• Which component supplies DC power to the DC system immediately after engine start?
• Which organization’s standards must be met when installing MAAS on prepared foundations?
• In order for the ECU to understand a sensor signal, it must first be converted into which type?
• The Type-H cable support system can be adapted to use which size pendant cable?
• Which color on the annunciator would illuminate to display a warning on the Digital Control System?
• In a centrifugal water pump, what is the result of the impeller throwing coolant outward?
• Which connection has three-phase leads and a neutral?
• If a coworker becomes a victim of shock, what should you do?
• What controls all functions of the BPU's electrical generation, through the Automatic Voltage Regulator logic, and interfacing with the Engine Control Modules (ECM)?
• Which component allows the user to select the battery pre-charge status?
• Why must tape stack height be taken into account when selecting a site for the MRES?
• What is the first step in determining the fuel requirements for generator operations?
• To access new or revised UFC publications, you should visit which website?
• What is the purpose of making the installation site relatively flat and extend evenly on both sides?
• Which document is described as a living safety standard for electrical safety management?
• Which set lists all components that comprise the proper tail hook configuration?
• Medium weight lines are typically described as standard wire-braided hose with an inner lining.
• Which exciter component rotates and provides AC voltage to the rectifier components?
• If a transformer uses two inductors, then it is said to be what kind of transformer?
• Which type of wiring diagram presents components in sequential order making it easier to understand circuit operation?
• Which type of wiring diagram is used to inform the technician on where to connect electrical test equipment and also provide wire identification?
• What happens to air velocity when it passes over the fins of air-cooled engines?
• Which component engages the pinion gear?
• Which device protects the load bank control circuits by disconnecting the power supply if faults are detected?
• Which component serves as a reservoir for excess coolant when pressure rises in the cooling system?
• When the MRES is in storage which periodic inspection is performed?
• Which weakness of the Direct Immersion (Coolant Type) pre-heating device?
• What is used to calculate kilowatts?
• What will happen if the generator's voltage is incompatible with the electrical service?
• An unbalanced three-phase load can cause the generator to:
• What must be done if corrosion is discovered during a daily inspection of the BPU's battery and connections?
• Which component is used to set the required charging profile depending on battery type?
• Increasing frequency across an inductor affects what property according to the material?
• Which term describes a temporary protection for surfaces after coating damage?
• If R2 is changed to 15Ω, what happens to total resistance?
• In a Textile Brake arresting system, the pendant cable size is specified as what inch measurement?
• In temperatures below -25 F the Digital Control System uses what to heat the coolant for startup?
• What function of the fuel system breaks up the fuel into smaller particles?
• In an expeditionary install the energy absorber and fairlead beam are anchored to a(n)
• How many degrees apart is each phase winding in a three-phase alternator?
• If S1 is closed in the circuit, what happens to the total current?
• What is a common cause of air in the fuel lines in a gasoline engine?
• Which method of coolant pre-heating functions strictly off on-board battery voltage?
• If R2 is set to 15 ohms, the total resistance will
• The construction of an inductor is influenced by which factors?
• When do the compression springs push on the toggle links?
• When would a fuel transfer pump be used?
• The contingency environment for installing a Primary Switching Center must be what?
• Daily inspection includes Net Assembly and which group of components?
• If the piston reaches its upper limit of travel, what is it called?
• Which type of fuel lines are standard wire-braided hose with an inner lining?
• What provides the smallest unit of a chemical element?
• What will cause a generator to wet stack?
• During a monthly MRES inspection, brake lines and fittings should be inspected for?
• If intermittent electrical issues occur, which action should you take?
• Which property determines the current in a resistor when a fixed voltage is applied?
• What is the main function of the electric motor on the Type-H cable support system?
• Which statement best describes the total resistance in a parallel circuit?
• Why is the factor 1.73 used when solving for kW in a three-phase circuit?
• What feature is described by 'employ sound absorbent technology' in 800 series MEP units?
• Which code type allows the generator to continue operating while faults are corrected?
• If possible, why should an infrared scan of inner equipment be accomplished on an AC system?
• What application standard enables the DCS and ECMs on the BEAR Power Unit to control all engine functions?
• 3E0X1 personnel will assemble and install load brake elbow connectors onsite prior to making connections to the equipment.
• A gasket's primary function is to seal between which type of engine parts?
• When the maximum number of operational and maintenance log entries of the BEAR Power Unit gets reached, what will the Digital Control System do?
• What effect does the cam control valve have on the brakes during arrestment of an aircraft?
• Where would you access Unified Facilities Criteria publications online?
• After engine start-up, which component supplies power to the DC system?
• What does a correction fix?
• Which mechanical removal technique is used to remove light corrosion not deeply pitted into metal?
• After the battery has completed charging, the battery charger will enter which mode of operation?
• How far above the runway should the centerline of the fairlead beam be projected?
• If a gasoline engine lubricating system is showing low oil pressure, which will NOT be the cause?
• How often should guide rods be lubricated?
• Using InPower BPU, when would an initial calibration file be installed on a DCS?
• Which condition best describes a suitable contingency environment for installing a Primary Switching Center?
• Why would a piece of equipment be equipped with a thermal-magnetic circuit breaker?
• Prior to connecting three-phase cables to a generator, distribution panel or load, the phase cables must be?
• Which of the following is NOT an InPower BPU data log option?
• Why are static grounds used?
• For higher current or voltage ratings, the fuse type typically used is
• Which of these will cause a loss of coolant?
• How many feet of touchdown space is required for on-runway installation?
• The purpose of the tape deflector sheaves in a permanent install is to
• What is the purpose of a resistor?
• The arc rating unit used to express PPE requirements is measured in which units?
• Which term describes a temporary protection for surfaces where the coating has been damaged?
• Which device prevents simultaneous connection to primary and alternate sources on an SDC?
• During site planning for the MAAS, if the soils fall below a 7 CBR value what else is planned?
• What is the purpose of properly spacing BPUs during installation?
• Which periodic inspection is performed when the MRES is in storage?
• If the engine oil is used in the BEAR Power Unit is is 15W-40 then it would get drained and refilled during which scheduled inspection
• In the American Wire Gauge system, higher gauge number indicates what?
• If left untreated, cavitation can cause what in a cooling system?
• The MPU, crank positioning sensor and the cam positioning sensor all perform what function?
• Which statement best describes the meaning of the 1.73 factor in three-phase power calculations?
• Which action helps meet regulatory load requirements when facility load is insufficient?
• What is used to determine if the correct amount of coolant additives exist within the cooling system?
• If the pressure in the cooling system exceeds the maximum valve, the radiator cap ________.
• What will occur after connecting the charger and not making a charging quick set selection within 10 minutes?
• In diesel exhaust aftertreatment, which device converts NOx to nitrogen and water when used with DEF?
• Which electrical scheduled inspection requires the BPU chassis ground connection checked for security and resistance value?
• The Air Force Form 487 (Generator Operating Log) is used to
• Which component pair is included in the proper tail hook configuration along with net and stanchion?
• When would depot maintenance personnel complete an overhaul of the BEAR Power Unit?