Power Plant

Question 1

Temperature for all ground starts must be less than what ITT?

Answer 1

120°C Per FCOM Vol 1 2-05-4

Question 2

Temperature for all air starts must be less than what ITT?

Answer 2

90°C Per FCOM Vol 1 2-05-4

Question 3

Starter must not be used/reengage if indicated N2 rpm exceeds What?

Answer 3

55%

Question 4

10th-stage bleed air manifold can be pressurized to start an engine by? (3 things)

Answer 4

*APU
*External air cart
*10th-stage bleed air from the operating engine (crossbreed)

Question 5

Minimum bleed air pressures for start.
APU
External air start cart
Engine crossbleed

Answer 5

40 psi
45 psi
60 psi (approximately 85% N2)

Question 6

Oil levels should be checked between how many minutes?

Answer 6

15 minutes to two hours after engine shutdown.

Question 7

APR is armed when?

Answer 7

APR switch is selected to ARM and both engines N1 rpm is above 79%(N1 speed mode). This is indicated by the APR ARM advisory EICAS message.

Question 8

During takeoff the APR is activated when?

Answer 8

N1 RPM drops below 67.6% rpm. The system commands both engines to increase N1 speed. The good engine N1 is increased by a minimum of 2%=500 pounds of thrust.

Question 9

What monitors the N1 for the APR?

Answer 9

DCUs. (Data Concentrator Unit)

Question 10

Maximum Oil consumption is?

Answer 10

6.4 ounces or 0.05 US gallons/hour.

Question 11

Chip detector and impending oil filter bypass indications are provided where?

Answer 11

In the after equipment bay on the junction box 5 (JB5) but are not presented on EICAS.