Mfe - 2A651 Vol 5 Unit Review

100 Questions | By Mikey_1412 | Last updated: Mar 18, 2022 | Total Attempts: 33

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Questions and Answers

1.

After reviewing the aircraft/engine forms, where should you begin troubleshooting?
- A.
  
  Discuss problem with other journeymen in the shop.
- B.
  
  Check each part of every system.
- C.
  
  Examine the most complex unit.
- D.
  
  Observe gauge indications.
2.

All of the options listed below are proper troubleshooting practices except
- A.
  
  Checking the applicable trouble areas.
- B.
  
  Understanding the function of each engine unit.
- C.
  
  Performing easy checks, then going to more difficult checks.
- D.
  
  Inspecting other areas after isolating the trouble between points.
3.

Aircraft power plant and engine intermediate maintenance technical orders (TO) contain information on troubleshooting. This information is presented in the form of
- A.
  
  Fix-it diagrams.
- B.
  
  Power plant charts.
- C.
  
  Mechanical drawings.
- D.
  
  Troubleshooting charts.
4.

To become an expert troubleshooter, you must
- A.
  
  Be a 7-level.
- B.
  
  Have at least 5 years experience.
- C.
  
  Attend college courses in troubleshooting techniques.
- D.
  
  Understand the function of each unit within each system.
5.

The F100-PW–220 engine monitoring system component that acquires fault data from the digital electronic engine control (DEEC) and logs the faults with the time of their occurrence is the
- A.
  
  Data collection unit (DCU).
- B.
  
  Ground station unit (GSU).
- C.
  
  Engine analyzer unit (EAU).
- D.
  
  Engine diagnostic unit (EDU).
6.

An understanding of the operating principles of engine instruments will help you decide
- A.
  
  If an engine should be removed from an aircraft.
- B.
  
  If the engine should be sent to the test cell.
- C.
  
  The meanings of the instrument readings.
- D.
  
  What tools are required for maintenance.
7.

Most engine monitoring gauges and instruments require some type of
- A.
  
  Electrical valve to the indicator.
- B.
  
  Metal tubing for electron flow.
- C.
  
  Radio frequency transmitter.
- D.
  
  Transmitter and indicator.
8.

Which jet engine temperature is not measured?
- A.
  
  Exhaust gas.
- B.
  
  Turbine inlet.
- C.
  
  Combustion inlet.
- D.
  
  Fan turbine inlet.
9.

A typical jet engine exhaust gas temperature (EGT) indicating system contains thermocouples, leads, an indicator, and
- A.
  
  Resistor.
- B.
  
  Turbine inlet.
- C.
  
  Control valve.
- D.
  
  Exhaust duct.
10.

The engine fuel-flow indicating system of most jet powered aircraft contains a fuel-flow
- A.
  
  Transmitter and a float valve.
- B.
  
  Control valve and a float valve.
- C.
  
  Transmitter and a fuel-flow indicator.
- D.
  
  Control valve and a fuel-flow transcriber.
11.

The fuel system component of a jet engine that operates by using a water wheel concept is the
- A.
  
  Fuel-flow generator.
- B.
  
  Fuel-flow indicator.
- C.
  
  Fuel-flow transmitter.
- D.
  
  Fuel remaining counter.
12.

The fuel-flow indicator indicates the rate of fuel-flow as
- A.
  
  Pounds per hour.
- B.
  
  Gallons per hour.
- C.
  
  Pounds per minute.
- D.
  
  Gallons per second.
13.

Two units that work together to indicate that the oil system is operating correctly are the oil pressure
- A.
  
  Transmitter and indicator.
- B.
  
  Relief valve and indicator.
- C.
  
  Relief valve and transmitter.
- D.
  
  Synchronous unit and indicator.
14.

The oil pressure indicator receives an electrical signal from the
- A.
  
  Gyro.
- B.
  
  Transmitter.
- C.
  
  Hydraulic unit.
- D.
  
  Synchronous unit.
15.

The two primary units of the tachometer indicating system are the tachometer generator and tachometer
- A.
  
  Indicator.
- B.
  
  Fuse panel.
- C.
  
  Transformer.
- D.
  
  Thermocouple.
16.

The N2 tachometer generator is usually driven from the tachometer drive located on the
- A.
  
  Engine accessory section.
- B.
  
  Engine turbine section.
- C.
  
  Combustion case.
- D.
  
  Fuel control.
17.

The tachometer indicator is
- A.
  
  An electric direct-drive type instrument.
- B.
  
  An electric-magnetic-drag-type instrument.
- C.
  
  A mechanical direct-drive-type instrument.
- D.
  
  A mechanical-magnetic-drag-type instrument.
18.

The exhaust nozzle position indicating system found on engines with afterburners is important because it
- A.
  
  Helps the pilot determine engine power.
- B.
  
  Helps the pilot determine fuel consumption.
- C.
  
  Gives the pilot indications of electrical failures.
- D.
  
  Aids the pilot in selection of proper altitude levels.
19.

On engines with afterburners, the position of the exhaust nozzle is converted into an electrical signal by a
- A.
  
  Rheostat.
- B.
  
  Rectifier.
- C.
  
  Transducer.
- D.
  
  Transformer.
20.

One type of overheat detector unit used on aircraft engines consists of a hollow stainlesssteel tube that covers
- A.
  
  One gold contact.
- B.
  
  Two silver contacts.
- C.
  
  Three bronze contacts.
- D.
  
  Four copper contacts.
21.

What is used to indicate the amount of thrust a dual-compressor engine is producing?
- A.
  
  Engine pressure ratio (EPR).
- B.
  
  Exhaust gas temperature (EGT).
- C.
  
  Revolutions per minute (RPM).
- D.
  
  Turbine inlet temperature (TIT).
22.

The pressures used in the operation of the engine pressure ratio (EPR) system are the
- A.
  
  Engine inlet total pressure and exhaust total pressure.
- B.
  
  Exhaust total pressure and turbine inlet total pressure.
- C.
  
  Inlet total pressure and compressor discharge total pressure.
- D.
  
  Compressor discharge total pressure and turbine inlet total pressure.
23.

Inlet pressure (Pt2) is transmitted from its sensing point
- A.
  
  Electrically.
- B.
  
  Mechanically.
- C.
  
  Hydraulically.
- D.
  
  Through tubing.
24.

The direct oil pressure gauge on a test cell is connected to an engine oil pressure line. This configuration will indicate oil pressure without using wiring, indicator, or
- A.
  
  Engine transformer.
- B.
  
  Aircraft transformer.
- C.
  
  Engine transmitter.
- D.
  
  Aircraft transmitter.
25.

The test cell exhaust gas temperature (EGT) selector allows selection of
- A.
  
  The EGT parameter for transit speeds.
- B.
  
  Accuracy check switch during adjustment.
- C.
  
  The EGT indicator to be read in digital or analog.
- D.
  
  Individual thermocouple inputs or an average of these inputs.