1 Which speed gives the greatest altitude gain in a given horizontal distance during climb after take off?
O 'Vx
O 'VA.
O 'Vy.
O None of the above.
2 Which speed gives the greatest altitude gain in a given time during climb after take off?
O 'VY.
O VX.
3 In case of an engine failure the longest gliding distance can be achieved:
O When L/D ratio is maximum
O If we extend one notch of flaps.
O When L/D ratio is minimum.
O When we fly at a speed just above the stalling speed.
4 In case of an engine failure, of aeroplanes of the same type, which aeroplane will achieve the greatest gliding distance?
O Gliding distance does not depend on weight.
O The heavier aeroplane
O The lighter aeroplane.
5 What is absolute ceiling?
O The density altitude at which the rate of climb equals to zero.
O The maximum altitude at which an aeroplane can execute a given flight.]
O The altitude at which the maximum rate of climb becomes less than 100ft/min.
O The altitude above which the aeroplane stalls.
6 What is service ceiling?
O The density altitude at which the maximum rate of climb becomes less than 100ft/min.
O The altitude at which the rate of climb becomes equal to zero.
O The maximum altitude at which an aeroplane can execute a given flight.
7 Which speed is V2?
O The minimum safe climb out speed with one engine inoperative.
O The speed at which the aeroplane requires the minimum power for straight and level flight.
O the minimum stalling speed.
O The speed at which the aeroplane requires the maximum power for straight and level flight.
8 The rate of climb of an aircraft depends on:
O Both b and c are correct.
O the excess thrust.
O the weight.
O the angle of climb.
9 The best gliding angle in the event of an engine failure depends on:
O The aerodynamic characteristics of the aeroplane.
O The air density.
O The aircraft weight.
10 Which speed is V1?
O The decision speed during take off.
O The speed at which L/D ratio is maximum.
O The speed at which L/D ratio is equal to zero.]
11 In order for a propeller driven aircraft to achieve maximum range it should be flown at a speed:
O which gives the max L/D ratio.
O equal to V2.
O slightly higher than stalling speed.
O equal to V1.
12 In order for a propeller driven aircraft to achieve maximum endurance it should be flown at a speed:
O slightly higher than stalling speed and equal to V1, both are correct.
13 The theoretical range of a propeller driven aircraft
O does not depend on the altitude
O increases at higher altitudes.
O decreases at higher altitudes.
O none of the above.
14 The theoretical endurance of a propeller driven aircraft
O does not depend on the altitude.
15 When take off weight increases:
O the required runway length for take off increases.
O the required runway length for take off decreases.
O the required runway length for take off is not affected.
16 When aircraft weight increases what adjustment is required to the approach speed?
O An increase.
O A decrease.
O Approach speed remains the same.
17 How does a high pressure altitude affect aircraft performance.
O It decreases the rate of climb.
O It improves piston engine performance.
O It decreases the required runway length for take off.
O It increases lift because thinner air creates less drag.
18 Which factor increases the density altitude of an airport?
O An increase in temperature.
O An increase in barometric pressure.
O A decrease in relative humidity.
O A decrease in temperature.
19 Why do we need to know the density altitude?
O In order to calculate aircraft performance.
O In order to calculate the pressure altitude.
O In order to calculate the flight level when the aircraft flies at a high altitude.
O in order to have safe altimeter readings over mountainous areas.]
20 How will the density altitude change by an increase in temperature from -4C to +10C if the pressure altitude remains the same.(Fig. FPP01)
O It will increase by 1.650 ft.]
O it will increase by 1.400 ft.]
O It will increase by 1.200 ft.]
O It will decrease by 1.000 ft.]
21 What will the density altitude be if the airport elevation is 5.250 ft ,temperature 27C and altimeter setting 29.25 inHg? (Fig FPP01)
O '8.500 ft.
O '5.850 ft.
O '4.900 ft.
O '7.700 ft.
22 How does high relative humidity affect aircraft performance?]
O It decreases performance.
O It improves performance.
O Changes in relative humidity do not affect aircraft performance.]
O It decreases performance at low altitudes and improves performance at high altitudes.
23 Which of the following factors causes the greater increase in density altitude?
O An increase in outside air temperature (OAT)?
O An increase in barometric pressure?
O A decrease in relative humidity?
O An increase in wind speed.
24 Which combination atmospheric conditions causes the greater decrease in aircraft performance during take off and landing?]
O High temperature,high relative humidity,high pressure altitude.
O Low temperature low relative humidity, low pressure altitud
O High temperature ,high relative humidity, low pressure altitude.
O Low temperature.high relative humidity,high pressure altitude.
25 How does high density altitude affect propeller efficiency?
O It decreases propeller efficiency.]
O It improves propeller efficiency.
O It does not affect propeller efficiency.
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