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Cards In This Set
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During operation of the EPU-6/E frequency converter it is determined that E and F voltage is not needed for the aircraft. The operator places the Loop/Bypass/28V to Aircraft switch in what position?
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Bypass
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Which of the following components provides 525 VAC to the control transformer of the EPU-6/E frequency converter?
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Input Auto Transformer
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What EPU-6/E components receive potential directly from the input auto transformer?
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SCR voltage regulator phase sequence transformer
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The control transformer perform on the EPU-6/E frequency converter provides---
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120 VAC for operation of E and F line 28 VDC power supply
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What EPU-6/E frequency converter components must be inspected prior to use?
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Air inlets for blockage
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During operation you determine that there is an undervoltage fault problem with the EPU-6/E frequency converter unit. What component could be malfunctioning?
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Analog board has failed
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During operation of the EPU-6/E frequency converter you determine that one phase voltage is lower than the other two phases. What could cause this malfunction?
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Loose push-on connector on the output filter capacitor
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What AM32A-95 gas turbine compressor section supplies high volume, low pressure air for combustion, cooling and bleed air output?
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Compressor section
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The function of the deswirl ring on the A/M32A-95 gas turbine compressor it to---
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Smooth turbulent air flow
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What A/M32A-95 gas turbine compressor component isolates the second-stage air form the operation of the first-stage compressor?
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Interstage seal
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What prevents overpressurization of the bearing cavity on an A/M32A-95 gas turbine compressor?
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Oil tank vent line
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What A/M32A-95 gas turbine compressor chambers are pressurized when the butterfly valve is closed?
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1, 3, and 4
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The A/M32A-95 gas turbine compressor’s rate-metering valve prevents the butterfly valve from snapping open by bleeding air through the atmospheric bleed port form the chamber---
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2
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What A/M32A-95 gas turbine compressor closes to complete the electrical circuit to the fuel solenoid and ignition unit?
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Oil pressure switch
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The A/M32A-95 run up to 60 percent but the battery is not charging. What is the probable cause of this trouble?
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K3 de-energized and the contacts did not remain closed
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