ATA 78 GE and PW

Question 1

Which statement is true
a Thrust reverser actuation system uses hydraulic power for operation and electrical power for control
b Thrust reverser actuation systemuses electrical power for operation and electrical power for control
c Thrust reverser actuation systemuses pneumatic power for operation and electrical power for control

Question 2

Solenoids of which thrust reverser control valve are enegized by switches on control stand
a Synlock solenoid valve and directional control valve
b Synlock solenoid valve and isolation valve
c Directional control valve and isolation valve

Question 3

Which valve is control by EEC
a Synlock solenoid valve
b Directional control valve
c Isolation valve

Question 4

Which component does EEC use to monitor thrust reverser sleeves position for controling thrust reverser interlock actuator and scheduling thrust
a Proximity sensors
b RVDT
c LVDT

Question 5

Where is located thrust reverser maintenance switch
a On engine oil tank
b On right side of inlet cowl bulkhead
c On left side of inlet cowl bulkhead

Question 6

When does EEC energizes the throttle lever interlock actuator during thrust reverser deployment
a Both sleeves are extended more than 60%
b Both sleeves are extended more than 50%
c Both sleeves are extended more than 40%

Question 7

When does REV on upper EICAS display change from amber to green
a Both sleeves are extended more than 60% ???
b Both sleeves are extended more than 80%