ATA 77 GE

Question 1

EDIU use analog N1 signal for

a Back up N1 indication

b AVM signal conditioner

c Thrust asymetry compensation

Answer 1

C

Question 2

Which component supply target N1
a ELMS
b AIMS
c EEC

Answer 2

B

Question 3

If N1 or N2 goes above red line and then back to normal, how can you cancel exceedance indications

a Use master warning reset switch

b Use EEC reset switch

c Use Cancel/ recall switch

Answer 3

C

Question 4

How many output do N1 or N2 sensor have
a 1
b 2
c 3

Answer 4

C

Question 5

EEC uses pyrometer data for

a EGT calculation

b Burner pressure calculation

c Oil temperature calculation

Answer 5

A

Question 6

Pyrometr adapter has 2 air connectors

a One for cooling air, other for exhaust air

b One is primary cooling, other is back up cooling

c One for cooling air, other for sensor cleaning

Answer 6

C

Question 7

When does EEC use pyrometer to meassure EGT
a Engine start
b Engine at idle power
c Engine above idle power

Answer 7

C

Question 8

Alternate accelerometer is used when
a Accelerometer #1 failed
b Accelerometer #2 failed
c Accelerometer #3 failed

Answer 8

A

Question 9

AVM is used to

a Calculate engine vibration level

b Calculate engine balancing solution

c Both are correct

Answer 9

C

Question 10

Which vibration is shown on secondary engine page

a N1 vibration

b N2 vibration

c Highest vibration level

Answer 10

B