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6. Performance

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Tema 1 Performances Quiz on 6. Performance, created by Jose Antonio Vazquez on 08/11/2018.
Jose Antonio Vazquez
Quiz by Jose Antonio Vazquez, updated more than 1 year ago
Jose Antonio Vazquez
Created by Jose Antonio Vazquez over 5 years ago
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Question 1

Question
360) The coefficient of lift can be increased either by flap extension or by
Answer
  • increasing the CAS.
  • increasing the angle of attack.
  • increasing the TAS.
  • decreasing the 'nose-up' elevator trim setting.

Question 2

Question
29) Considering TAS for maximum range and maximum endurance, other factors remaining constant,
Answer
  • TAS for maximum range will increase with increased altitude while TAS for maximum endurance will decrease with increased altitude.
  • both will increase with increasing altitude.
  • both will decrease with increasing altitude.
  • both will stay constant regardless of altitude.

Question 3

Question
362) Which of the following statements is correct?
Answer
  • An engine failure at high cruising altitude will always result in a drift down, because it is not permitted to fly the same altitude as with all engines operating.
  • When determining the obstacle clearance during drift down, fuel dumping may be taken into account.
  • The drift down regulations require a minimum descent angle after an engine failure at cruising altitude.
  • The drift down procedure requires a minimum obstacle clearance of 35 ft.

Question 4

Question
363) The take-off run is
Answer
  • the horizontal distance along the take-off path from the start of the take-off to a point equidistant between the point at which VLOF is reached and the point at which the aeroplane is 35 ft above the take-off surface.
  • 1.5 times the distance from the point of brake release to a point equidistant between the point at which VLOF is reached and the point at which the aeroplane attains a height of 35 ft above the runway with all engines operative.
  • 1.15 times the distance from the point of brake release to the point at which VLOF is reached assuming a failure of the critical engine at V1.
  • the distance of the point of brake release to a point equidistant between the point at which VLOF is reached and the point at which the aeroplane attains a height of 50 ft above the runway assuming a failure of the critical engine at V1.

Question 5

Question
364) The use of reduced take-off thrust is permitted, only if:
Answer
  • The actual take-off mass (TOM) is greater than the climb limited TOM.
  • The actual take-off mass (TOM) is lower than the field length limited TOM.
  • The take-off distance available is lower than the take-off distance required one engine out at V1.
  • The actual take-off mass (TOM) including a margin is greater than the performance limited TOM.

Question 6

Question
365) With one or two engines inoperative the best specific range at high altitudes is
Answer
  • first improved and later reduced.
  • reduced.
  • improved.
  • not affected.

Question 7

Question
366) A jet aeroplane equipped with old engines has a specific fuel consumption of 0.06 kg per Newton of thrust and per hour and, in a given flying condition, a fuel mileage of 14 kg per Nautical Mile. In the same flying conditions, the same aeroplane equipped with modern engines with a specific fuel consumption of 0.035 kg per Newton of thrust and per hour, has a fuel mileage of:
Answer
  • 10.7 kg/NM.
  • 8.17 kg/NM.
  • 14 kg/NM.
  • 11.7 kg/NM.

Question 8

Question
1) The optimum cruise altitude is
Answer
  • the pressure altitude up to which a cabin altitude of 8000 ft can be maintained.
  • the pressure altitude at which the speed for high speed buffet as TAS is a maximum.
  • the pressure altitude at which the best specific range can be achieved.
  • the pressure altitude at which the fuel flow is a maximum.

Question 9

Question
2) Which statement with respect to the step climb is correct?
Answer
  • A step climb is executed because ATC desires a higher altitude.
  • A step climb is executed in principle when, just after leveling off, the 1.3g altitude is reached.
  • Executing a desired step climb at high altitude can be limited by buffet onset at g-loads larger than 1.
  • A step climb must be executed immediately after the aeroplane has exceeded the optimum altitude.

Question 10

Question
3) Which speed provides maximum obstacle clearance during climb?
Answer
  • The speed for which the ratio between rate of climb and forward speed is maximum.
  • V2 + 10 kt.
  • The speed for maximum rate of climb.
  • V2.

Question 11

Question
4) On a reciprocating engined aeroplane, to maintain a given angle of attack, configuration and altitude at higher gross mass
Answer
  • the airspeed and the drag will be increased.
  • the airspeed will be decreased and the drag increased.
  • the lift/drag ratio must be increased.
  • the airspeed will be increased but the drag does not change.

Question 12

Question
359) The stopway is an area which allows an increase only in :
Answer
  • the accelerate-stop distance available.
  • the take-off run available.
  • the take-off distance available.
  • the landing distance available.

Question 13

Question
64) The drift down requirements are based on:
Answer
  • the actual engine thrust output at the altitude of engine failure.
  • the maximum flight path gradient during the descent.
  • the landing mass limit at the alternate.
  • the obstacle clearance during a descent to the new cruising altitude if an engine has failed.

Question 14

Question
27) Which statement is correct?
Answer
  • VR must not be less than 1.05 VMCA and not less than 1.1 V1.
  • VR must not be less than 1.05 VMCA and not less than V1.
  • VR must not be less than VMCA and not less than 1.05 V1.
  • VR must not be less than 1.1 VMCA and not less than V1.

Question 15

Question
54) If the level-off altitude is below the obstacle clearance altitude during a drift down procedure
Answer
  • fuel jettisoning should be started at the beginning of drift down.
  • the recommended drift down speed should be disregarded and it should be flown at the stall speed plus 10 kt.
  • fuel jettisoning should be started when the obstacle clearance altitude is reached.
  • the drift down should be flown with flaps in the approach configuration.

Question 16

Question
55) After engine failure the aeroplane is unable to maintain its cruising altitude. What is the procedure which should be applied?
Answer
  • Emergency Descent Procedure.
  • ETOPS.
  • Long Range Cruise Descent.
  • Drift Down Procedure.

Question 17

Question
56) With all engines out, a pilot wants to fly for maximum time. Therefore he has to fly the speed corresponding to:
Answer
  • the minimum drag.
  • the critical Mach number.
  • the minimum angle of descent.
  • the maximum lift.

Question 18

Question
57) Which of the following statements with regard to the actual acceleration height at the beginning of the 3rd climb segment is correct?
Answer
  • The minimum value according to regulations is 1000 ft.
  • There is no legal minimum value, because this will be determined from case to case during the calculation of the net flight path.
  • The minimum value according to regulations is 400 ft.
  • A lower height than 400 ft is allowed in special circumstances e.g. noise abatement.

Question 19

Question
58) The take-off distance available is
Answer
  • the total runway length, without clearway even if this one exists.
  • the length of the take-off run available plus the length of the clearway available.
  • the runway length minus stopway.
  • the runway length plus half of the clearway.

Question 20

Question
59) At constant thrust and constant altitude the fuel flow of a jet engine
Answer
  • increases slightly with increasing airspeed.
  • is independent of the airspeed.
  • decreases slightly with increasing airspeed.
  • increases with decreasing OAT.

Question 21

Question
60) During certification flight testing on a four engine turbojet aeroplane the actual take-off distances measured are: - 3050 m with failure of the critical engine recognised at V1 - 2555 m with all engines operating and all other things being equal The take-off distance adopted for the certification file is:
Answer
  • 3050 m
  • 3513 m
  • 2555 m
  • 2938 m
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