Volume 4 - 2014 2a651s CDC

100 Questions | By AustinCope | Updated: Mar 21, 2022 | Attempts: 259

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Questions and Answers

1.

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

(601) Which of the following is not a proper troubleshooting practice?
- A.
  
  Checking the applicable trouble areas.
- B.
  
  Understanding the function of each engine unit.
- C.
  
  Inspecting other areas after isolating trouble between points.
- D.
  
  Performing easy checks, then going to more difficult checks.
3.

(601) The troubleshooting information contained in aircraft power plant and engine intermediate maintenance TO is presented in the form of
- A.
  
  Fix-it diagrams.
- B.
  
  Power plant charts.
- C.
  
  Mechanical drawings.
- D.
  
  Troubleshooting charts.
4.

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

(602) What F100-PW–220 engine monitoring system component acquires fault data from the DEEC and logs the faults with the time of their occurrence?
- A.
  
  DCU.
- B.
  
  GSU.
- C.
  
  EAU.
- D.
  
  EDU.
6.

(602) Which F100-PW–220 engine monitoring system component transfers information from the EDU to the GSU?
- A.
  
  DCU.
- B.
  
  EAU.
- C.
  
  Mn test system.
- D.
  
  SCS.
7.

(603) To be considered effective tools for aviators, aircraft instruments must be light weight, easy to read, and
- A.
  
  Be small in size.
- B.
  
  Use digital readout.
- C.
  
  Use analog readout.
- D.
  
  Cheap to manufacture.
8.

(603) Understanding the operating principles of engine instruments 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 meaning of the instrument readings.
- D.
  
  What tools are required for maintenance.
9.

(603) 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.
10.

(603) Which jet engine temperature is not measured?
- A.
  
  Combustion inlet.
- B.
  
  Fan turbine inlet.
- C.
  
  Turbine inlet.
- D.
  
  Exhaust gas.
11.

(603) A typical jet engine EGT indicating system contains thermocouples, leads, an indicator, and
- A.
  
  A resistor.
- B.
  
  A turbine inlet.
- C.
  
  A control valve.
- D.
  
  An exhaust duct.
12.

(603) Which metals are used in the EGT indicating system thermocouples?
- A.
  
  Steel and iron.
- B.
  
  Steel and alumel.
- C.
  
  Iron and chromel.
- D.
  
  Alumel and chromel.
13.

(603) Most jet-powered aircraft engine fuel-flow indicating systems contain 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.
14.

(603) 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 minute.
15.

(603) The oil pressure indicator receives an electrical signal from the
- A.
  
  Gyro
- B.
  
  Transmitter.
- C.
  
  Hydraulic unit.
- D.
  
  Synchronous unit.
16.

(603) The tachometer indicating system’s two primary units are the tachometer generator and tachometer
- A.
  
  Indicator.
- B.
  
  Fuse panel.
- C.
  
  Transformer.
- D.
  
  Thermocouple.
17.

(603) The N2 tachometer generator is usually driven from the tachometer drive located on the
- A.
  
  Fuel control.
- B.
  
  Combustion case.
- C.
  
  Engine turbine section.
- D.
  
  Engine accessory section.
18.

(603) The tachometer generator’s frequency is proportional to the
- A.
  
  Engine speed.
- B.
  
  Transformer speed.
- C.
  
  Speed of the electrical magnet.
- D.
  
  Speed of the alternating magnet.
19.

(603) What converts the exhaust nozzle’s position on engines with afterburners into an electrical signal?
- A.
  
  Rheostat.
- B.
  
  Rectifier.
- C.
  
  Transducer.
- D.
  
  Transformer.
20.

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

(603) For an operational check of the fire warning system, you press
- A.
  
  Only the TEST switch.
- B.
  
  Both TEST and NORMAL switches.
- C.
  
  Only the TEST WARNING ON switch.
- D.
  
  Both TEST ON and TEST OFF switches.
22.

(603) What indicates the amount of thrust a dual-compressor engine is producing?
- A.
  
  EPR.
- B.
  
  RPM.
- C.
  
  EGT.
- D.
  
  TIT.
23.

(603) The term Pt2 means the
- A.
  
  Total (t) pressure (P) at flange 2 (2).
- B.
  
  Total (t) pressure (P) at station 2 (2).
- C.
  
  Temperature (t) and pressure (P) at flange 2 (2).
- D.
  
  Temperature (t) and pressure (P) at station 2 (2).
24.

(603) How is inlet Pt2 transmitted from its sensing point?
- A.
  
  Electrically.
- B.
  
  Mechanically.
- C.
  
  Hydraulically.
- D.
  
  Through tubing.
25.

(604) When connected to an engine oil pressure line the direct oil pressure gauge on a test cell indicates oil pressure without using wiring, indicator, or
- A.
  
  Aircraft transformer.
- B.
  
  Engine transformer.
- C.
  
  Aircraft transmitter.
- D.
  
  Engine transmitter.