CDC 2A651 Volume 3 Engine Systems (Q 35-50
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- 1.Approximately how many GPM does the AE2100D3 PUAD lube and scavenge pump provide at engine PTO?
- A.
3.
- B.
5.
- C.
7.
- D.
9.
- 2.What AE2100D3 component drives the PGB lube and scavenge pump?
- A.
Alternator stator.
- B.
PGB.
- C.
PUAD.
- D.
GMAD.
- 3.Which type of oil pump is used on the T56 engine?
- A.
Gear.
- B.
Float.
- C.
Gerotor.
- D.
Centrifugal
- 4.The amount of ram air passing through the oil cooler core is regulated by the
- A.
Thermostat.
- B.
Flap actuator.
- C.
Size of the core.
- D.
Regulating valve.
- 5.Bleed air flowing through which component increases airflow through the cooler?
- A.
Flap actuator.
- B.
Oil cooler flap.
- C.
Augmentation valve.
- D.
Augmentation ejector.
- 6.The valve that allows fluid to flow in only one direction is the
- A.
Check.
- B.
Relief.
- C.
Bypass.
- D.
Pressurizing.
- 7.In the power unit oil system ,the dual-port oil jet mounted on the front side of the compressor air inlet housing is used to lubricate the
- A.
Mid and center sleeve bearings.
- B.
Torquemeter and compressor front bearings.
- C.
Front and rear sides of the compressor rear bearing.
- D.
Front and rear sides of the compressor front bearing.
- 8.The power section and RGB oil systems are joined together at the
- A.
Fuel heater and strainer.
- B.
External scavenge oil filter.
- C.
External scavenge oil pump.
- D.
Scavenge element of the main pump.
- 9.Which RGB component prevents oil in the oil tank from draining into the RGB rear case?
- A.
Shutoff valve.
- B.
Oil pump and filter.
- C.
Oil pump check valve.
- D.
Oil pump bypass valve
- 10.How many scavenge oil pumps are located in the RGB?
- A.
1.
- B.
2.
- C.
3.
- D.
4.
- 11.The journeyman must be aware of which hazardous propert of modern jet engine oil?
- A.
Toxicity.
- B.
Viscosity.
- C.
Alkalinity.
- D.
Corrosiveness.
- 12.The primary benefit of identifying an impending failure through the OAP is
- A.
Improved safety.
- B.
Increased component life.
- C.
Reduced maintenance cost.
- D.
Increased equipment availability.
- 13.Who is responsible for ensuring that the OAP operates properly?
- A.
Project monitor.
- B.
Logistics commander.
- C.
Propulsion flight chief.
- D.
Laboratory supervisor.
- 14.What are microscopic metallic particles in the oil system called?
- A.
Wear metals.
- B.
Friction metals.
- C.
Precious metals.
- D.
Transformation metals.
- 15.Oil sampling intervals should not vary by more than
- A.
5 %
- B.
10%
- C.
15%
- D.
20%
- 16.The SEM/EDX analysis process differs from conventional oil analysis in which major aspect?
- A.
SEM/EDX samples must be sent off-site for analysis.
- B.
SEM/EDX particles must be oil free for analysis to take place
- C.
SEM/EDX provides results concerning equipment and components condition.
- D.
SEM/EDX samples can only be obtained in an intermediate maintenance shop.
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