DGCA Performance: Speeds & Definitions Questions
174 exam-style Speeds & Definitions 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
If VA at 60000 Kg is 250 Kts what will it be at 70000 Kg?
- A250 Kts.
- B260 Kts.
- C270 Kts.
- D280 Kts.
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Correct answer: C. 270 Kts.
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- Q2
If flaps up VA at 60000 Kg is 250 Kts what will it be at 70000 Kg with flaps down if the change in the CL:a curve due to flap deployment is ignored.
- A230 Kts.
- B240 Kts
- C250 Kts
- D260 Kts
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Correct answer: B. 240 Kts
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- Q3
If weight is increased by 25% by what % will VA increase?
- A11%
- B12%
- C13%
- D14%
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Correct answer: B. 12%
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- Q4
Descending at constant mach number might cause?
- AMMO to be exceeded.
- BVMO to be exceeded.
- CShock stall.
- DTuck under.
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Correct answer: B. VMO to be exceeded.
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- Q5
Climbing at constant IAS might cause?
- AMMO to be exceeded.
- BVMO to be exceeded.
- CLow speed stall.
- DTAS to reduce.
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Correct answer: A. MMO to be exceeded.
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- Q6
Given that:VEF= Critical engine failure speed VMCG= Ground minimum control speedVMCA= Air minimum control speed VMU= Minimum unstick speedV1= TakeTakeoff decision speedVR= Rotation speedV2 min.= Minimum take-off safety speedThe correct formula is:
- AVMCG<=VEF < V1
- B1.05 VMCA<= VEF<= V1
- CV2min<= VEF<= VMU
- D1.05 VMCG< VEF<= VR
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Correct answer: A. VMCG<=VEF < V1
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- Q7
With which conditions would one expect Vmc to be the lowest?
- ACold temp, low altitude, low humidity
- BHot temp, low pressure altitude, high humidity.
- CHot temp, high pressure altitude, high humidity.
- DCold temp, high altitude, low humidity.
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Correct answer: C. Hot temp, high pressure altitude, high humidity.
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- Q8
The margin between VC and VD must be?
- A1.2 VS.
- B1.3 VS.
- CSufficient to avoid unintentional over-speeds.
- DMore than 50 Kts.
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Correct answer: C. Sufficient to avoid unintentional over-speeds.
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- Q9
Given:VS= Stalling speedVMCA= Air minimum control speed VMU= Minimum unstick speed (disregarding engine failure)V1= take-off decision speedVR= Rotation speedV2 min.= Minimum take-off safety speedVLOF: Lift-off speed The correct formula is:
- AVMU<= VMCA< V1
- BVS< VMCA< V2 min
- CV2min VMU
- DVR< VMCA< VLOF
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Correct answer: B. VS< VMCA< V2 min
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- Q10
Give the correct order for the following:
- AVmcg, VR, V1, V2
- BVmcg, V1, VR, V2
- CV1, Vmcg, VR, V2
- DVmcg, V1, Vmca, VR, V2
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Correct answer: B. Vmcg, V1, VR, V2
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- Q11
lncreasing flap setting from 10 degrees to 30 degrees will . . . . . . V2?
- AIncrease.
- BDecrease unless limited by VMC.
- CDecrease or increase depending on altitude.
- DDecrease or increase depending on C of G position.
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Correct answer: B. Decrease unless limited by VMC.
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- Q12
Regarding take-off, the take-off decision speed V1:
- Ais an airspeed at which the aeroplane is airborne but below 35 ft and the pilot is assumed to have made a decision to continue or discontinue the take-off .
- Bis always equal to VEF (Engine Failure speed).
- Cis the airspeed of the aeroplane upon reaching 35 feet above the take-off surface.
- Dis the airspeed on the ground at which the pilot is assumed to have made a decision to continue or discontinue the take-off.
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Correct answer: D. is the airspeed on the ground at which the pilot is assumed to have made a decision to continue or discontinue the take-off.
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