SYS4 Test Review (Hydraulics) Flashcards Preview

T-1 18-12 > SYS4 Test Review (Hydraulics) > Flashcards

Flashcards in SYS4 Test Review (Hydraulics) Deck (48):
1

the rudder pedals control both the rudder and nose wheel steering when ...

when the nose wheel is extended

2

full forward control column movement will deflect the elevator ...

down 12*

3

which control surface is used as both a primary and secondary flight control?

spoilers

4

the rudder boost function is used to help ...

with an asymmetric thrust condition

5

T-1 primary flight controls?

rudder, elevator, spoilers

6

what are the secondary flight controls?

flaps, speed brake, 3 trim systems

7

T-1 flap type

electronically controlled, hydraulically actuated double slotted fowler flaps

8

which secondary flight controls are hydraulically actuated?

flaps and speed brakes

9

the max speed for moving flaps from 10 to 30

170 KIAS

10

when does roll trim warning sound?

actuated more than 5 secs

11

which control surface is both primary and secondary?

spoilers

12

V_fe for 30 flap

165 KIAS

13

emergency pitch trim is accomplished ..

electronically with a switch on the pedestal

14

rudder is operated ...

mechanically

15

when will speed brakes be automatically retracted?

1: throttles to above 60%N1

2: setting flaps beyond 10

16

speed brake control valve supplies _____ pressure to deploy spoilers on both wings

hydraulic

17

FLAP ASYM indicates

main flap asymmetry ( >7* differential)

18

Pitch attitude controlled by

mechanically actuated elevators

19

emergency pitch trim is ____ of the normal rate of trim

1/3

20

what happens when the hydraulic filter becomes clogged?

fluid bypasses clogged filter (no indication)

21

which hydraulic system is not part of the valve package?

wheel brakes

22

what happens when hydraulic pressure exceeds 1650 psi?

hydraulic pressure relief valve opens, routes excess to return line

23

purpose of bleed air in hydraulic reservoir?

prevents fluid foaming and provides constant supply of fluid to the pumps

24

hydraulic pressure stabilizes at

1500 psi

25

HYD LEVEL LO light turns on when

0.6 gal left in Hydr. reservoir

26

L/R H PUMP PRESS LO lights up when

< 750 psi

27

pilot intervention required if pressure reaches ____ psi

1850

28

hydraulic reservoir should be serviced when gauge level is

below the REFILL line

29

What does the hydr. filter do?

removes contaminants that could damage moving parts

30

What happens to hydr. components if one hydraulic pump is lost?

All hydraulic subsystems operate normally

31

High pressure is indicated by which light?

None, pressure gauge only

32

when does the hydraulic system start operating?

automatically at engine start

33

which systems require hydraulic pressure?

wheel brakes, speed brakes, flaps, gears

34

how do you know if a hydraulic pump has failed?

L/R H PUMP PRESS LO

35

the landing gear handle

sends an electrical signal to the hydraulic valve package to start the gear lowering/retraction sequence

36

max nose wheel deflection

45* using rudder pedals and differential power/braking

37

with flaps at 0 or 10, when will the gear horn sound?

throttle below 70%

38

using rudder pedals only, what is max deflection of nose gear

25*

39

when fully closed, the main gear fuselage doors ____ lock closed

mechanically

40

normal landing gear extension sequence

gears do not extend until inboard main doors are fully open

41

the max airspeed for emergency gear extension is ...

150 KIAS

42

min strut extension for main gear

1.1 inch

43

normal landing gear sequence takes approx. ___ sec

7

44

normal strut extension for nose gear approx.

3.5 inches

45

max altitude for gear extension

20,000 ft MSL

46

when main gears are extended, _____ locks them down

mechanical down lock mechanism

47

which component allows gear handle to be raised if it is stuck down ?

downlink release button

48

during emergency gear extension, nitrogen pressure is used to

close the main gear fuselage doors