Systems 4 Flashcards
Hydraulics and Landing Gear
The T-1A hydraulic system provides hydraulic pressure to operate the following systems: (4)
- Landing Gear
- Flaps
- Speed Brakes
- Power Brakes
Lowering the Landing Gear handle:
A. Mechanically disconnects the unlocks for all three gear
B. Sends an electrical signal to initiate gear extension
C. Activates the electric hydraulic pumps
D. Silences the landing gear warning tone
B. Sends an electrical signal to initiate gear extension
When both pilots press the brake pedals, _______ controls the brakes
The pilot applying the most pressure
Which of the following is a secondary flight control?
A. Spoilers
B. Roll Trim
C. Elevator
D. Nose Wheel Steering
B. Roll Trim
What happens when a hydraulic filter becomes clogged?
Hydraulic fluid bypasses the clogged filter
What valve should open and route excess fluid to the reservoir if the hydraulic pressure exceeds 1,650 PSI?
A. Pressure bypass valve
B. Pressure Relief valve
C. Check valves
D. Shutoff valves
B. Pressure Relief Valve
Pressurizing the hydraulic reservoir with engine bleed air provides a constant supply of fluid to the pumps and
A. Prevents system pressure surges
B. Maintains system pressure at 1,500 PSI
C. Relieves system pressure at 1,650 PSI
D. Prevents fluid foaming
D. Prevents fluid foaming
Which hydraulic subsystem is not supplied with hydraulic pressure through the valve package?
Power Brakes
Normal Hydraulic pressure is between _______ and _______ PSI
1,350 and 1,550 PSI
The L or R H PMP PRESS LO annunciator illuminates when the respective pump pressure is less than or equal to _______ PSI
750
The HYD LEVEL LO annunciator illuminates when the fluid level is at or below _______ gallons
0.6
The hydraulic fluid level in the reservoir sight gauge is at REFILL. How much fluid is left in the system?
0.8
The landing gear handle
Sends an electrical signal to the hydraulic valve package
Which condition does NOT sound the gear warning tone (assume the gear is retracted)?
A. Both throttles above 70% N2 with flaps at 30 degrees
B. One throttle below 70% N2 with the flaps up
C. Both throttles above 70% N2 with the flaps at 10 degrees
D. Both throttles below 70% N2 with the flaps up
C. Both throttles above 70% N2 with the flaps at 10 degrees
The maximum cost wheel steering deflection is _______ when using the rudder pedals only and _______ when also using differential braking and/or thrust
A. 20, 45
B. 20, 25
C. 25, 40
D. 25, 45
D. 25, 45
What is the first get component actuated by the hydraulic valve package during either extension or retraction?
A. Forward nose gear doors
B. Inboard main gear doors
C. Main gear locks
D. Nose gear locks
B. Inboard main gear doors
During extension and retraction, the inboard main door close after _________ locked in the selected position
A. All gear are
B. Both main gear are
C. The nose gear is
D. The representative main gear is
A. All gear are
What is the maximum airspeed and altitude with the gear extended?
200 KIAS, 20,000 ft
What is the typical nose gear strut extension?
A. 0.5 in
B. 1.1 in
C. 3 in
D. 3.5 in
B. 1.1 in
The _______ provides hydraulic brake fluid to the master cylinders connected to the brake pedals
A. Accumulator
B. Hydraulic System
C. Reservoir
D. Nitrogen Bottle
C. Reservoir
The accumulator
A. Provides emergency pneumatic pressure to apply the brakes
B. Stabilizes hydraulic pressure fluctuations
C. Supplies brake fluid to the mater cylinders
D. Provides hydraulic pressure to apply the power brakes
B. Stabilizes hydraulic pressure fluctuations
The anti-skid system prevents landing with the brakes applied when _______ safety switch senses the aircraft is _________
A. The right, on the ground
B. The left, airborne
C. Either, on the ground
D. Either, airborne
D. Either, airborne
With the engines running, press _______ before pulling the parking brake handle
The pilot’s toe pedals
The brake energy fuse plug limit is _______ million foot-pounds
A. 4
B. 8.1
C. 14.8
D. 16.2
B. 8.1
