DGCA Performance: Class A Aeroplanes Questions
153 exam-style Class A Aeroplanes questions for the DGCA Performancepaper (CPL & ATPL). The first 12 are free below with answers and explanations — sign up free to practise all of them with progress tracking.
- Q1
For a given take-of mass, the maximum brake energy limit speed (VMBE), as an indicated airspeed, will:
- ADecrease with increasing altitude, and decrease with increasing temperature.
- BIncrease with increasing altitude and increase with increasing temperature.
- CDecrease with increasing altitude, and increase with increasing temperature.
- DNot change with altitude, but decrease with increasing temperature.
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Correct answer: A. Decrease with increasing altitude, and decrease with increasing temperature.
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- Q2
With regard to a take-off from a wet runway, which of the following statements is correct?
- AScreen height cannot be reduced.
- BThe screen height can be lowered to reduce the mass penalties.
- CWhen the runway is wet, the V1 reduction is sufficient to maintain the same margins on the runway length
- DIn case of a thrust reverser inoperative, the wet runway performance information can still be used.
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Correct answer: B. The screen height can be lowered to reduce the mass penalties.
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- Q3
The net flight path climb gradient after take-off compared to the gross climb gradient is:
- Alarger.
- Bequal.
- Cdepends on type of aircraft
- Dsmaller.
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Correct answer: D. smaller.
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- Q4
Which statement with respect to the step climb is correct?
- AA step climb provides better economy than a cruise climb.
- BPerforming a step climb based on economy can be limited by the 1.3g altitude.
- Cn principle a step climb is performed immediately after the aircraft has exceeded the optimum altitude.
- DA step climb may not be performed unless it is indicated in the filed flight plan.
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Correct answer: B. Performing a step climb based on economy can be limited by the 1.3g altitude.
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- Q5
The approach climb requirement has been established to ensure:
- Aminimum climb gradient in case of a go-around with one engine inoperative.
- Bobstacle clearance in the approach area.
- Cmanoeuvrability in case of landing with one engine inoperative.
- Dmanoeuvrability during approach with full flaps and gear down, all engines operating.
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Correct answer: A. minimum climb gradient in case of a go-around with one engine inoperative.
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- Q6
Provided all other parameters stay constant, Which of the following statements will decrease the take-off ground run?
- ADecreased take-off mass, increased pressure altitude, increased temperature.
- BDecreased take-off mass, increased density, increased flap setting.
- CIncreased pressure altitude, increased outside air temperature, increased take-off mass.
- DIncreased outside air temperature, decreased pressure altitude flap setting.8
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Correct answer: B. Decreased take-off mass, increased density, increased flap setting.
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- Q7
For a take-off from a contaminated runway, which of the following statements is correct?
- ADry snow is not considered to affect the take-off performance.
- BA slush covered runway must be cleared before take-off, even if the performance data for contaminated runway is available.
- CThe performance data for take-off is determined in general by means of calculation, only a few values are verified by flight tests.
- DThe greater the depth of contamination at constant take-off mass, the more V1 has to be decreased to compensate for decreasing friction.
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Correct answer: C. The performance data for take-off is determined in general by means of calculation, only a few values are verified by flight tests.
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- Q8
Given that the characteristics of a three engine turbojet aeroplane are as follows: Thrust = 50,000 N per engine g = 10 m/s² Drag = 72,569 N Minimum gross gradient (2nd segment) = 2.7% The maximum take-off mass under segment two conditions in the net take-off flight path conditions is:
- A101,596 kg
- B286,781 kg
- C74,064 kg
- D209,064 kg
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Correct answer: A. 101,596 kg
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- Q9
Which statement with respect to the step climb is correct?
- AA step climb is executed because ATC desires a higher altitude.
- BA step climb is executed in principle when, just after levelling off, the 1.3g altitude is reached.
- CExecuting a desired step climb at high altitude can be limited by buffet onset at g-loads larger than 1.
- DA step climb must be executed immediately after the aeroplane has exceeded the optimum altitude.
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Correct answer: C. Executing a desired step climb at high altitude can be limited by buffet onset at g-loads larger than 1.
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- Q10
The maximum mass for landing could be limited by:
- Athe climb requirements with all engines in the landing configuration but with gear up.
- Bthe climb requirements with one engine inoperative in the approach configuration.
- Cthe climb requirements with one engine inoperative in the landing configuration.
- Dthe climb requirements with all engines in the approach configuration.
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Correct answer: B. the climb requirements with one engine inoperative in the approach configuration.
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- Q11
A multi engine aeroplane is flying at the minimum control speed (VMCA). Which parameter(s) must be maintainable after engine failure?
- AHeading, altitude and a positive rate of climb of 100 ft/min.
- BAltitude.
- CStraight flight.
- DStraight flight and altitude.
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Correct answer: C. Straight flight.
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- Q12
Reduced take-off thrust is prohibited when:
- Ait is dark.
- Bthe runway is wet
- Cobstacles are present close to the end of the runway.
- Dthe runway is contaminated.
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Correct answer: D. the runway is contaminated.
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