Engines

Question 1

What are the operating modes of the EEC?

Answer 1

EPR, N1, N2

Question 2

If fuel flow exceeds _____pph between ENG SHUT OFF switch on and EGT rise or the start limit of _____ C is exceeded or about to be exceeded, stop the start and perform the Engine Clearing Procedure.

Answer 2

750pph

495 C

Question 3

Min PSI for engine start

Answer 3

15 PSI

Question 4

What engine capabilities are lost in N1 mode

Answer 4

None

Question 5

What temp are cold weather start procedures in effect

Answer 5

0C

Question 6

What is the engine stability control system

Answer 6

6th-9th stage compressor stators are variable stator vanes adjusted thoughout the entire flight envelope by the stator vane actuator. Failure of the SVA system will cause engine stability and thrust anomolies. (STABILITY ENG X/EEC FAULT X)

Question 7

ENG START PROC: Verify _____psi when No2 hydraulic system is pressurized by the EDPs. ______psi when No2 hydraulic system is pressurized by the AUX HYD pump

Answer 7

3400psi

3000psi