Hydraulic Questionnaire

Question 1 of 45

The YELLOW hydraulic system has _____ pumps to provide pressure (not counting the PTU).

2
3
4
5

Question 2 of 45

Is it possible to pressurize the GREEN hydraulic system when both engines are not running?

Yes, by selecting the YELLOW engine pump ON.
Yes, by selecting the YELLOW electric pump ON.
Yes, by selecting the BLUE electric pump ON.
No, it is not possible.

Question 3 of 45

The RAT pressurizes the BLUE hydraulic system to approximately:

1500 psi
2000 psi
2500 psi
3000 psi

Question 4 of 45

The hydraulic fluid can be transferred from one system to another.

True
False

Question 5 of 45

During normal operations, hydraulic power is provided by:

Engine driven pumps for all systems.
Engine driven pumps for GREEN and YELLOW, electric pump for BLUE, electric pump for YELLOW.
Electric pumps for BLUE and GREEN, engine driven pump for YELLOW.
Electric pump for BLUE, engine driven pumps for GREEN and YELLOW, electric pump for GREEN.

Question 6 of 45

A hand pump pressurizes the YELLOW hydraulic system in order to operate the ______ when no electrical power is available.

Cargo doors
Passenger doors
Parking brake
Normal brakes

Question 7 of 45

The PTU FAULT light goes out when the crew selects the PTU OFF, except during an overheat (the light stays on as long as the overheat lasts).

True
Falce

Question 8 of 45

Hydraulic power for the landing gear extension/retraction is provided by the:

YELLOW hydraulic system.
GREEN hydraulic system.
BLUE hydraulic system.
Ram Air Turbine (RAT).

Question 9 of 45

The YELLOW electric pump comes ON automatically when:

N2 on both engines is less than 45%.
The first ENG MASTER switch is set to the ON position.
During the second engine start.
A ground crew sets the lever of the cargo door manual selector valve to OPEN or CLOSE.

Question 10 of 45

With AC electric power available, the BLUE electric pump comes automatically ON:
(You can choose more than one correct answer)

In flight.
On ground when the BLUE PUMP OVRD pushbutton on the maintenance panel is pressed.
On ground when one engine is running.
The BLUE electric pump does not operate automatically, it must be selected manually ON.

Question 11 of 45

The ENG PUMP FAULT light goes out when the crew selects the pump OFF, except during:

A reservoir low air pressure.
A pump low pressure.
A reservoir overheat.
A pump overheat.

Question 12 of 45

The PTU FAULT light comes ON and a caution appears on the ECAM if:

The PTU is inoperative.
The PTU is overheated.
The GREEN or YELLOW reservoir is overheated.
The PTU output pressure is less than 500 psi.

Question 13 of 45

The Power Transfer Unit (PTU) comes into action automatically when the differential pressure between the GREEN and the YELLOW systems is greater than:

500 psi
750 psi
1000 psi
1500 psi

Question 14 of 45

When extended in flight, the RAT is coupled to a hydraulic pump and pressurizes the:

GREEN system.
BLUE system.
YELLOW system.
Emergency RAT system.

Question 15 of 45

The PTU is automatically inhibited:

During the first engine start.
During the second engine start.
In case of GREEN engine driven pump failure.
In case of YELLOW engine driven pump failure.

Question 16 of 45

In flight, the BLUE hydraulic system is pressurized by:

An electric pump or in case of failure, the RAT.
An electric pump only.
An engine driven pump or in case of failure, the RAT.
An engine driven pump and an electric pump.

Question 17 of 45

The RAT is automatically deployed in case of:

Dual hydraulic failure.
BLUE hydraulic pump failure.
BLUE hydraulic pump failure or loss of AC BUS 1 and AC BUS 2.
Loss of AC BUS 1 and AC BUS 2.

Question 18 of 45

Priority valves cut off hydraulic power to heavy load users if hydraulic pressure in a system gets low.

True
False

Question 19 of 45

The GREEN and YELLOW hydraulic systems have a fire shutoff valve in their line, upstream of the engine-driven pump. The flight crew can close these fire shutoff valves by:

Selecting the ENG 1(2) MASTER switch to OFF position.
Selecting the ENG 1(2) PUMP pushbutton on overhead hydraulic panel to OFF position.
Selecting the GREEN or YELLOW electric pump OFF.
Pushing out the ENG 1(2) FIRE pushbutton.

Question 20 of 45

Normally, all three hydraulic reservoirs are automatically pressurized by:

HP bleed air from both engines.
HP bleed air from ENG No 1.
HP bleed air from ENG No 2.
LP bleed air from ENG No 1.

Question 21 of 45

All three hydraulic systems maintain a high pressure at their reservoirs in order to prevent their pumps from cavitation.

True
False

Question 22 of 45

The BLUE hydraulic system operates the:

Flaps.
Slats.
Both flaps and slats.
Neither flaps nor slats.

Question 23 of 45

The PTU is automatically tested:

During the first engine start.
During the second engine start.
During the APU start.
Within the first 5 min AC power is applied to the aircraft.

Question 24 of 45

The PTU FAULT light comes ON and a caution appears on the ECAM if:
(You can choose more than one correct answer)

The GREEN or the YELLOW reservoir overheats.
The GREEN or the YELLOW reservoir has low air pressure.
The GREEN or the YELLOW reservoir has high air pressure.
The GREEN or the YELLOW reservoir has a low fluid level.

Question 25 of 45

When the YELLOW electric pump is automatically activated, it inhibits the operation of the other YELLOW system functions except:

Normal braking and ENG No 1 reverse.
Alternate braking and ENG No 1 reverse.
Normal braking and ENG No 2 reverse.
Alternate braking and ENG No 2 reverse.

Question 26 of 45

The purpose of the PTU is to:

Enable the GREEN system to pressurize the YELLOW and vice versa, without fluid transfer.
Enable the GREEN system to pressurize the YELLOW and vice versa, with fluid transfer.
Enable the GREEN system to pressurize the BLUE and vice versa, without fluid transfer.
Enable the GREEN system to pressurize the BLUE and vice versa, with fluid transfer.

Question 27 of 45

During flight, if the BLUE electric pump fails, the BLUE hydraulic system:

Is lost.
Can be recovered by the RAT.
Can be recovered by the PTU.
Is automatically recovered by the BLUE engine pump.

Question 28 of 45

The YELLOW hydraulic system comprises:

One engine driven pump and one electric pump.
One engine driven pump and two electric pumps.
One engine driven pump, one electric pump and one hand pump.
One engine driven pump, one electric pump and the RAT.

Question 29 of 45

Each of the ____ and ____ hydraulic systems has a fire shutoff valve in its line upstream of its pump.

GREEN and YELLOW.
GREEN and BLUE.
YELLOW and BLUE.

Question 30 of 45

The RAT can be extended:

Manually only.
Automatically only.
Manually or automatically.

Question 31 of 45

After being extended, the RAT can be stowed:

During flight.
On ground.
During flight or on ground.

Question 32 of 45

Is it possible to check RAT's position and status?

No, it is not possible.
Yes, select the ECAM HYD page.
Yes, select the ECAM ELEC page.
Yes, check if the BLUE ELEC PUMP FAULT light is not illuminated.

Question 33 of 45

The purpose of the accumulators in each hydraulic system is to:

Serve as an energy storage unit in case of a pump failure.
Maintain a constant pressure by covering transient demands during normal operation.
Assure landing gear operation.
Assure reverses operation.

Question 34 of 45

When the guarded pushbutton "RAT MAN ON" is pressed:

The RAT deploys and the GREEN system is pressurized.
The RAT deploys, the GREEN system is pressurized and, at the same time the Emergency Generator is enabled.
The RAT deploys and the BLUE system is pressurized.
The RAT deploys, the BLUE system is pressurized and, at the same time the Emergency Generator is enabled.

Question 35 of 45

On the ECAM HYD page, the hydraulic quantity indicator becomes amber when:

The hydraulic fluid level goes below the warning level.
The hydraulic fluid level goes above the maximum capacity.
The normal filling level is reached.
The temperature of returning hydraulic fluid is above normal.

Question 36 of 45

On the ECAM HYD page, the legend LO AIR PRESS appears in amber along with a caution message if:

The air pressure for the indicated reservoir drops below normal.
Engine 1 BLEED is lost.
Pack 1 is lost.
Engine 1 is lost.

Question 37 of 45

In case of a BLUE hydraulic reservoir overheat, the FAULT light on the overhead panel stays ON:

For 30 seconds.
Until the crew selects the electric pump OFF.
As long as the overheat is detected.
The FAULT light comes ON only for pump overheat, not for reservoir overheat.

Question 38 of 45

The ENG 1 PUMP FAULT light is inhibited on the ground when the engine is stopped, if it is triggered due to low pump pressure.

True
False

Question 39 of 45

The YELLOW hydraulic system operates the:

Flaps
Slats
Both flaps and slats.
Neither flaps nor slats.

Question 40 of 45

In case of a hydraulic malfunction, the RAT will deploy:

Automatically, if both GREEN and BLUE systems fail.
Automatically, if both GREEN and YELLOW systems fail.
Automatically, if BLUE system fails.
The RAT does not deploy automatically in case of a hydraulic malfunction.

Question 41 of 45

After a HYD G RSVR OVHT ECAM caution, is it possible to recover the GREEN hydraulic system?

Yes, an ECAM memo will be displayed to advise the crew that the temperature is within the normal range.
Yes, when the ENG 1 FAULT light on the overhead panel is extinguished, the crew can select the pump ON.
Yes, when the ENG 1 FAULT light on the overhead panel is extinguished, the system will recover automatically.
No, not during flight.

Question 42 of 45

The YELLOW electric pump pushbutton is set to OFF. If a crewman sets the lever of the cargo door manual selector valve to OPEN or CLOSE position, the PTU and the Flight Controls will be:

Operative.
Inhibited.

Question 43 of 45

In case of HYD G (Y) (B) RSVR LO AIR PR, the affected hydraulic system:

Is definitely lost.
May be recovered by descending to a lower altitude.
May be recovered by climbing to a higher altitude.
May be recovered by using the PTU or RAT accordingly.

Question 44 of 45

With AC electrical power available, the YELLOW electric pump will operate:
(You can choose more than one correct answer)

Automatically, during the second engine start.
Automatically, when a crewman sets the lever of the cargo door manual selector valve to OPEN or CLOSE position.
Automatically, if the ENG 2 N2 RPM drops below Idle.
Manually, if a crew member selects the ELEC PUMP pushbutton to the ON position.

Question 45 of 45

The BLUE hydraulic system operates the:

Emergency Generator.
Normal Braking.
Alternate Braking.
Nose Wheel Steering.

Hydraulic Questionnaire

Quiz Summary

Information

Results

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

11. Question

12. Question

13. Question

14. Question

15. Question

16. Question

17. Question

18. Question

19. Question

20. Question

21. Question

22. Question

23. Question

24. Question

25. Question

26. Question

27. Question

28. Question

29. Question

30. Question

31. Question

32. Question

33. Question

34. Question

35. Question

36. Question

37. Question

38. Question

39. Question

40. Question

41. Question

42. Question

43. Question

44. Question

45. Question