Ppl – Principles Of Flight
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- 1.As altitude increases, the indicated airspeed at which a given airplane stalls in a particular configuration will:
- A.
Remain the same regardless of altitude.
- B.
Decrease as the true airspeed decreases.
- C.
Decrease as the airspeed increases.
- 2.An airplane will stall at the same:
- A.
Angle of attack regardless of the altitude with relation to the horizon
- B.
Airspeed regardless of the altitude with relation to the horizon
- C.
Angle of attack and altitude with relation to the horizon
- 3.A turn coordinator provides an indicator of the:
- A.
Angle of bank up to but not exceeding 30°.
- B.
Attitude of the aircraft with reference to the longitudinal axis.
- C.
Movement of the aircraft about the yaw and roll axes.
- 4.How should a pilot determine the direction of bank from an attitude indicator as the one illustrated?
- A.
By the direction of deflection of the banking scale (A).
- B.
By the relationship of the miniature airplane © to the deflected horizon bar (B)
- C.
By the direction of deflection of the horizon bar (B).
- 5.The most important rule to remember in the event of a power failure after becoming airborne is to:
- A.
Quickly check the fuel supply for possible fuel exhaustion.
- B.
Determine the wind direction to plan for the forced landing
- C.
Immediately establish the proper gliding attitude and airspeed.
- 6.What force makes an airplane turn?
- A.
The vertical component of lift.
- B.
Centrifugal force.
- C.
The horizontal component of lift.
- 7.What does P-factor cause the airplane to yaw to the left?
- A.
When at high angles of attack.
- B.
When at low angles of attack.
- C.
When at high airspeeds.
- 8.Which basic flight maneuver increases the load factor on an airplane as compared to straight-and-level flight?
- A.
Turns
- B.
Climbs
- C.
Stalls
- 9.One of the main functions of flaps during approach and landing is to:
- A.
Decrease the angle of descent without increasing the airspeed.
- B.
Increase the angle of descent without increasing the airspeed.
- C.
Permit a touchdown at a higher indicated airspeed.
- 10.The wind condition that requires maximum caution when avoiding wake turbulence on landing is a:
- A.
Light, quartering headwind.
- B.
Light, quartering tailwind.
- C.
Strong headwind.
- 11.When landing behind a large aircraft, the pilot should avoid wake turbulence by staying?
- A.
Above the large aircraft’s final approach path and landing beyond the large aircraft’s touchdown point.
- B.
Below the large aircraft’s final approach path and landing before aircraft’s touchdown point.
- C.
Above the large aircraft’s final approach path and landing before the large aircraft’s touchdown point.
- 12.The stalling speed of an airplane is most affected by:
- A.
Changes in air density
- B.
Variations in flight altitude
- C.
Variations in airplane loading
- 13.During the Transition from straight-and-level flight to a climb, the angle of attack is increased and lift:
- A.
Is momentarily decreased
- B.
Remains the same
- C.
Is momentarily increased
- 14.In theory, if the airspeed of an airplane is doubled while in level flight, parasite drag will become:
- A.
Twice as great
- B.
Half as great
- C.
Four times greater
- 15.Stall speed is affected by:
- A.
Weight, load factor, and power
- B.
Load factor, angle of attack, and power
- C.
Angle of attack, weight, and air density
- 16.Airplane wing load during a level coordinated turn in smooth air depends upon the:
- A.
Rate of turn
- B.
Angle of bank
- C.
True airspeed
- 17.To produce the same lift while in ground effect as when out of ground effect, the airplane requires:
- A.
A lower angle of attack
- B.
The same angle of attack
- C.
A greater angle of attack
- 18.If airspeed is increased during a level turn, what action would be necessary to maintain altitude? The angle of attack:
- A.
And angle of bank must be decreased
- B.
Must be increased or angle of bank decreased
- C.
Must be decreased or angle of bank increased
- 19.If a standard rate turn is maintained, how long would it take to turn 360°?
- A.
1 minute
- B.
2 minutes
- C.
3 minutes
- 20.To increase the rate of turn at the same time decrease the radius, a pilot should:
- A.
Maintain the bank and decreased airspeed
- B.
Increase the bank and increase airspeed
- C.
Increase the bank and decrease airspeed
- 21.Which is true regarding the use of flaps during level turns?
- A.
The lowering of flaps increases the stall speed
- B.
The raising of flaps increases the stall speed
- C.
Raising flaps will require added forward pressure on the yoke or stick
- 22.A rectangular wing, as compared to other wing platforms, has a tendency to stall first at the:
- A.
Wingtip, with the stall progression toward the wing root
- B.
Wing root, with the stall progression toward the wingtip
- C.
Center trailing edge, with the stall progression outward toward the wing root and tip
- 23.The angle of attack of a wing directly controls the:
- A.
Angle of incidence of the wing
- B.
Amount of airflow above and below the wing
- C.
Distribution of pressures acting on the wing
- 24.By changing the angle of attack of a wing, a pilot can control the airplane’s:
- A.
Lift, airspeed, and drag
- B.
Lift, airspeed and CG
- C.
Lift and airspeed, but not drag
- 25.The angle of attack at which a wing stalls remains constant regardless of:
- A.
Weight, dynamic pressure, bank angle, or pitch attitude
- B.
Dynamic pressure, but varies with weight, bank angle, and pitch attitude
- C.
Weight and pitch attitude, but varies with dynamic pressure and bank angle
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