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command study > 10 - Hydraulics > Flashcards

10 - Hydraulics Flashcards

1
Q
  1. (DSC-29-10) Normal hydraulic power is provided by;
    (a) Engine driven pumps for all systems.
    (b) Engine driven pumps for green and yellow, elec. pump for blue, elec pump for yellow.
    (c) Electric pumps for blue and yellow, engine driven pumps for green.
    (d) Engine driven pumps for green and blue, electric pump for yellow.
A

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2
Q
  1. (DSC-29-10) The power transfer unit is ;
    (a) Reversible between green and yellow.
    (b) One way between green and yellow.
    (c) Reversible between all three systems.
    (d) Reversible between blue and yellow.
A

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3
Q
  1. (DSC-29-10) In flight, if blue electric pump fails, blue system;
    (a) Is lost.
    (b) Can be recovered by RAT.
    (c) Can be recovered by PTU.
    (d) Can be recovered by engine driven pump.
A

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4
Q
  1. (DSC-29-10) With both engines stopped, how is it possible to pressurize the green system;
    (a) By the green engine pump.
    (b) By the yellow engine pump and the PTU.
    (c) By the yellow electric pump and the PTU.
    (d) By the blue electric pump and the PTU.
A

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5
Q
  1. (DSC-29-20) The RAT is automatically extended in case of;
    (a) Blue pump failure.
    (b) Blue pump delivery pressure dropping below 1750 psi.
    (c) Loss of eng. and Apu. main generators.
    (d) Can only be deployed manually.
A

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6
Q
  1. (DSC-29-20) On the ground the blue system is pressurised when ;
    (a) The Apu is running.
    (b) One engine is running.
    (c) Ext. power is available.
    (d) Ext. power is on.
A

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7
Q
  1. (DSC-29-10) Engine 2 Hydraulic pump energizes ;
    (a) The blue system.
    (b) The green system (only).
    (c) The yellow system pump and the green system via the PTU should the green system pump fail.
    (d) The green system and the yellow system via the PTU should the yellow system pump fail.
A

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8
Q
  1. (DSC-29-10) The yellow system comprises;
    (a) One engine driven pump, one electric pump, one hand pump.
    (b) One engine driven pump, two electric pumps.
    (c) One engine driven pump, one hand pump and the RAT.
    (d) One electric pump and the RAT.
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9
Q
  1. (DSC-29-10) The green hydraulic system can be pressurised by;
    (a) The No. 1 engine hydraulic pump or PTU
    (b) The PTU or an electric pump.
    (c) The No. 1 engine hydraulic pump, the PTU or by an electric pump.
    (d) The No. 2 engine hydraulic pump or the PTU
A

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10
Q
  1. (DSC-29-10) The priority valves operate in case of;
    (a) High hydraulic pressure in the green system.
    (b) Low hydraulic pressure.
    (c) High hydraulic pressure in the green and yellow systems.
    (d) High hydraulic pressure in the blue system.
A

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11
Q
  1. (DSC-29-10) The fire shut off valves shut off;
    (a) The blue and yellow systems.
    (b) The yellow and green systems.
    (c) The green and blue systems.
    (d) Only the blue system.
A

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12
Q
  1. (DSC-29-20) In case of blue electric pump failure, when the RAT man on P/b is pressed;
    (a) The blue hydraulic system is pressurised by the RAT.
    (b) The emergency gen. is supplying electrical power.
    (c) The blue hydraulic system is pressurised and the emergency gen. is running.
    (d) The Rat supplies the Emer.Gen. which supplies the blue elec. pump to pressurize the blue hyd. system.
A

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13
Q
  1. (DSC-29-10) The hydraulic reservoirs are pressurised;
    (a) From the pneumatic system.
    (b) From packs 1 & 2.
    (c) From the No. 1 eng. or the pneumatic system.
    (d) From the No. 2. eng. only.
A

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14
Q
  1. (DSC-29-20) In flight the engine 1. pump fault light illuminates amber in case of;
    (a) Reservoir overheat only.
    (b) Reservoir high air pressure.
    (c) Pump high pressure.
    (d) Reservoir low oil pressure, overheat, low pressure, or pump low pressure.
A

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15
Q
  1. (DSC-29-20) If on the ground with engine one stopped, does the engine one pump fault light illuminate amber due to green pump low pressure.
    (a) Yes.
    (b) No.
    (c) Not if the PTU is pressurizing the green system from the yellow.
    (d) Not if the Blue electric pump is running.
A

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16
Q
  1. (DSC-29-20) In case of reservoir overheat, the fault lights of the faulty system stay on for;
    (a) 30 seconds.
    (b) Continuously.
    (c) As long as the overheat is detected.
    (d) Until the crew select ‘off’.
A

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17
Q
  1. (DSC-29-20) On ground and before engine start, with blue pump auto and A/C power available, the blue pump is;
    (a) Automatically energised.
    (b) Energised when the blue pump over-ride Pb is pressed.
    (c) Blue pump is not available on the ground.
    (d) Blue pump is only energised when either green or yellow system has failed.
A

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18
Q
  1. (DSC-29-10) The blue system includes operation of;
    (a) The flaps.
    (b) The slats.
    (c) The flaps and the slats.
    (d) Spoilers 2 & 4.
A

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19
Q
  1. (DSC-29-10) The RAT when extended in flight, pressurizes;
    (a) The green system.
    (b) The yellow system and the green system via the PTU.
    (c) The Blue system.
    (d) Only the yellow system.
A

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20
Q
  1. (DSC-29-10) The yellow system includes operation of;
    (a) The left and right elevator.
    (b) The left elevator only.
    (c) The right elevator only.
    (d) The right aileron only.
A

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21
Q
  1. (DSC-29-10) The yellow system may be powered by;
    (a) Eng 1 Hyd. pump.
    (b) Eng. 2 Hyd. pump or the yellow electric pump or the PTU.
    (c) Eng. 2 Hyd. pump, the yellow electric pump or the RAT.
    (d) Eng. 1 Hyd pump or the RAT.
A

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22
Q
  1. (DSC-29-10) The yellow system includes operation of ;
    (a) The flaps.
    (b) The flaps and slats.
    (c) The slats.
    (d) The landing gear.
A

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23
Q
  1. (DSC-29-20) During first engine start the PTU is;
    (a) Automatically running.
    (b) Tested.
    (c) Inhibited.
    (d) Not available on the ground.
A

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24
Q
  1. (DSC-29-10) The RAT can be restored;
    (a) In flight.
    (b) On ground only.
    (c) On ground and in flight.
    (d) In flight with speed > 140 kts.
A

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25
Q
  1. (DSC-29-10) In flight the RAT is extended;
    (a) Manually only.
    (b) Manually or automatically.
    (c) Automatically only.
    (d) Using the manual extension hand crank - pull and turn 3 times.
A

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26
Q
  1. (DSC-29-10) In flight when the RAT is automatically extended;
    (a) The blue hydraulic system is pressurised but the emergency gen. is not running.
    (b) The green hydraulic system is pressurised and the emergency gen runs.
    (c) The blue hydraulic system is pressurised and the emergency gen runs.
    (d) The yellow hydraulic system is pressurised and the emergency gen runs.
A

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27
Q
  1. (DSC-29-10) Is it possible to interchange hydraulic fluid from green to yellow or yellow to green system;
    (a) No.
    (b) Yes, using the PTU.
    (c) Yes, in case of leakage.
    (d) Yes, using the priority valves.
A

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28
Q
  1. (DSC-29-10) The fire shut off valve closes when;
    (a) The master switch is set to off.
    (b) The fire pb is released out.
    (c) Automatically if a fire is detected.
    (d) A reservoir over heat is detected.
A

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29
Q
  1. (DSC-29-10) If the green system is lost, slat operation is;
    (a) Slow.
    (b) Normal.
    (c) Lost.
    (d) Inhibited.
A

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30
Q
  1. (DSC-29-10) If the green system is lost, flap operation is;
    (a) Slow.
    (b) Normal.
    (c) Lost.
    (d) Inhibited.
A

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31
Q
  1. (DSC-29-10) The green system operates;
    (a) Spoiler 3.
    (b) Spoilers 2 & 4.
    (c) Spoilers 1 & 5.
    (d) The standby generator.
A

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32
Q
  1. (DSC-29-10) The green system operates;
    (a) The right elevator.
    (b) The left elevator.
    (c) Both.
    (d) Only the THS (neither elevator).
A

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33
Q
  1. (DSC-29-10) The green system operates;
    (a) The left aileron.
    (b) The right aileron.
    (c) Both ailerons.
    (d) Neither aileron.
A

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34
Q
  1. (DSC-29-10) The green system operates;
    (a) Reverser 1.
    (b) Reverser 2.
    (c) Both reversers.
    (d) All the ground spoilers.
A

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35
Q
  1. (DSC-29-10) The yellow system operates;
    (a) Reverser 1.
    (b) Reverser 2.
    (c) Both reversers.
    (d) All the ground spoilers.
A

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36
Q
  1. (DSC-29-20) On ground, Blue electric pump Pb at auto, the circuit is energised if;
    (a) One battery is on auto.
    (b) Ground electrical power is on.
    (c) One engine is running or Blue pump ovrd. Pb has been pressed.
    (d) Both engines must be running to energise the blue pump.
A

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37
Q
  1. (DSC-29-10) If the blue system is lost, the slats are;
    (a) Normal.
    (b) Slow.
    (c) Lost.
    (d) Locked due Wing tip brake on.
A

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38
Q
  1. (DSC-29-10) If blue system is lost, the flaps are;
    (a) Normal.
    (b) Slow.
    (c) Lost.
    (d) Locked due wing tip brake on.
A

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39
Q
  1. (DSC-29-10) The Blue system operates;
    (a) Spoilers 2 & 4.
    (b) Spoiler 3.
    (c) Spoilers 1 & 5.
    (d) The THS.
A

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40
Q
  1. (DSC-29-20) The RAT can be extended;
    (a) Automatically in case of loss of power to Ac bus 1 & Ac bus 2.
    (b) Manually from the O/head panel.
    (c) Both.
    (d) Using the manual extension handle - 3 turns clockwise.
A

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41
Q
  1. (DSC-29-10) The blue system operates;
    (a) The left aileron.
    (b) The right aileron.
    (c) Both ailerons.
    (d) Neither aileron.
A

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42
Q
  1. (DSC-29-10) Can you operate a cargo door when no electrical power is available;
    (a) Yes, using the hand pump.
    (b) No, electrical a/c power is required to operate the yellow electrical pump.
    (c) No, because battery power is required to operate the yellow electrical pump.
    (d) No, because electrical power is required to drive the door opening motor.
A

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43
Q
  1. (DSC-29-20) Yellow electric pump Pb switch off and cargo door manual selector valve set at open or close position, the PTU and flight controls are;
    (a) Fully operative.
    (b) Inhibited.
    (c) PTU operative, flight controls inhibited.
    (d) Flight controls operative, PTU inhibited.
A

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44
Q
  1. (DSC-27-30) If yellow system is lost, the slats are;
    (a) Normal.
    (b) Slow.
    (c) Lost.
    (c) Inhibited.
A

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45
Q
  1. (DSC-27-30) If yellow system is lost, the flaps are;
    (a) Normal.
    (b) Slow.
    (c) Lost.
    (d) Inhibited.
A

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46
Q
  1. (DSC-29-10) The engine 2 fire valve is between the yellow reservoir and;
    (a) The Eng. 2 Hydraulic pump.
    (b) The yellow electric pump.
    (c) The yellow hand pump.
    (d) The cargo door pump.
A

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47
Q
  1. (DSC-29-10) The yellow system operates;
    (a) Spoiler 3.
    (b) Spoilers 2 & 4.
    (c) Spoilers 1 & 5.
    (d) Spoilers 1,3 & 5.
A

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48
Q
  1. (DSC-29-20) In case of single hydraulic system low pressure;
    (a) The master warning light illuminates.
    (b) The master caution light illuminates and the single chime sounds.
    (c) There is no warning.
    (d) The emergency warning light illuminates and the CRC sounds.
A

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49
Q
  1. (PRO-ABN-29) In case of reservoir Lo-air pressure the hydraulic system affected is;
    (a) Definitely lost.
    (b) May be recovered after descending to a lower altitude.
    (c) Would be recovered after opening the X-bleed valve.
    (d) Would be recovered after closing the X-bleed valve
A

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50
Q
  1. (DSC-27-20-20 & PRO-ABN-29) With a dual hydraulic system failure the flight control law (before gear extension) is ;
    (a) Alternate law
    (b) Normal law.
    (c) Direct law.
    (d) Mechanical back up.
A

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51
Q
  1. (DSC-29-10) With green hydraulic system lost ;
    (a) The landing gear extension is normal.
    (b) The landing gear retraction is normal.
    (c) The landing gear must be extended by gravity.
    (d) The alternate system (Yellow) must be used to extend the landing gear.
A

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52
Q
  1. (DSC-29-10) With green hydraulic system lost;
    (a) The NWS is lost.
    (b) The NWS is operative.
    (c) The NWS operates in alternate.
    (d) The NWS operates in direct.
A

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53
Q
  1. (DSC-29-10) With green hydraulic system lost, the braking system is;
    (a) Normal.
    (b) Alternate.
    (c) Lost.
    (d) In Blue syst. back-up mode.
A

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54
Q
  1. (DSC-32-30) With green hydraulic system lost, the anti skid is;
    (a) Lost.
    (b) Limited to 2,000 psi brake pressure.
    (c) Operative on the yellow hydraulic system.
    (d) Available by selecting auto-brake Lo, or Med.
A

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55
Q
  1. (DSC-29-20) PTU at auto, the PTU automatically runs ;
    (a) If the blue hydraulic system is lost.
    (b) When differential pressure between green and yellow systems is more than 500 psi.
    (c) As soon as a differential pressure between green and yellow systems is detected.
    (d) During the first engine start.
A

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56
Q
  1. (DSC-29-10) PTU running the pressure delivered by the PTU is ;
    (a) Stable at normal system pressure (3,000 psi.)
    (b) Fluctuating between 2,500 and 3,000 psi.
    (c) Stable at 1,500 psi. (Half normal pressure).
    (d) Stable at 2,500 psi. when powered by the RAT / PTU.
A

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57
Q
  1. (PRO-ABN-29) Hydraulic green system only remaining, the auto-pilot function is ;
    (a) Available with AP 1.
    (b) Lost.
    (c) Available with AP 2.
    (d) Available until landing gear is extended, then in direct law Ap is lost.
A

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58
Q
  1. (DSC-29-10) Hydraulic green system only remaining, the horizontal stabilizer is;
    (a) Available.
    (b) Lost.
    (c) Only the Left side is available.
    (d) Only the right side is available.
A

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59
Q
  1. (PRO-ABN-29) With green and yellow hydraulic systems lost, manual pitch trim (stabilizer) is;
    (a) Available (always).
    (b) Lost.
    (c) Only available until gear down.
    (d) Only available after gear down.
A

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60
Q
  1. (PRO-ABN-29) Hydraulic green system only remaining, the auto brake is ;
    (a) Lost.
    (b) Available.
    (c) Alternate.(i.e. yellow system).
    (d) Back up (i.e. via accumulator only).
A

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61
Q
  1. (PRO-ABN-29) With hydraulic blue system only remaining ;
    (a) The braking system is lost.
    (b) Seven full brake applications are available.
    (c) The anti skid is still available.
    (d) Autobrake and antiskid are still available.
A

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