Midterm Flashcards
1.1
1. What is one purpose of wing flaps?
A. To enable the pilot to make steeper
approaches to a landing without increasing the airspeed.
B. To relieve the pilot of maintaining continuous pressure on the controls.
C. To decrease wing area to vary the lift.
A.To enable the pilot to make stepper approaches to a landing without increasing the airspeed.
1.1
2. One of the main functions of flaps during approach and landing is to
A. decrease the angle of descent without increasing the airspeed.
B. permit a touchdown at a higher indicated airspeed.
C. increase the angle of descent without increasing the airspeed.
C.increase the angle of descent without increasing the airspeed.
1.1
3. What is the purpose of the rudder on an airplane?
A. To control yaw.
B. To control overbanking tendency.
C. To control roll.
A.To control Yaw
1.10
- Which basic flight maneuver increases the load factor on an airplane as compared to straight-and- level flight?
A. Climbs.
B. Turns.
C. Stalls.
B. Turns.
1.10 Load Factor
38. Which basic flight maneuver increases the load factor on an airplane as compared to straight-and- level flight?
A. Climbs.
B. Turns.
C. Stalls.
B. Turns.
1.1
4. Which is not a primary flight control surface?
A. Flaps.
B. Stabilator.
C. Ailerons.
A..Flaps
1.2
10. The four forces acting on an airplane in flight are
A. lift, weight, thrust, and drag.
B. lift, weight, gravity, and thrust.
C. lift, gravity, power, and friction.
A.lift, weight, thrust, and drag
1.2
11. When are the four forces that act on an airplane in equilibrium?
A. During unaccelerated level flight.
B. When the aircraft is accelerating.
C. When the aircraft is at rest on the ground.
A.During unaccelerated level flight
1.2
13. Which statement relates to Bernoulli’s principle?
A. For every action, there is an equal and opposite reaction.
B. An additional upward force is generated as the lower surface of the airfoil deflects air downward.
C. Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface.
C.Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface.
1.3 Angle of Attack
14. (Refer to Figure 1 below.) The acute angle A is the angle of
A. incidence.
B. attack.
C. dihedral.
B. attack.
1.3
15. The term “angle of attack” is defined as the angle between the
A. chord line of the wing and the relative wind.
B. airplane’s longitudinal axis and that of the air striking the airfoil.
C. airplane’s center line and the relative wind.
A. chord line of the wing and the relative wind.
1.3
16. The angle between the chord line of an airfoil and the relative wind is known as the angle of
A. lift.
B. attack.
C. incidence.
B. attack.
1.3
17. The angle of attack at which an airplane wing stalls will
A. increase if the CG is moved forward.
B. change with an increase in gross weight.
C. remain the same regardless of gross weight.
C. remain the same regardless of gross weight.
1.4 Stalls
18. As altitude increases, the indicated airspeed at which a given airplane stalls in a particular configuration will
A. decrease as the true airspeed decreases.
B. decrease as the true airspeed increases.
C. remain the same regardless of altitude.
C. remain the same regardless of altitude.
1.5 Spins
19. In what flight condition must an aircraft be placed in order to spin?
A. Partially stalled with one wing low.
B. In a steep diving spiral.
C. Stalled.
B. In a steep diving spiral.
1.5
20. During a spin to the left, which wing(s) is/are stalled?
A. Both wings are stalled.
B. Neither wing is stalled.
C. Only the left wing is stalled.
A. Both wings are stalled.
1.6
21. What is ground effect?
A. The result of the interference of the surface of the Earth with the airflow patterns about an airplane.
B. The result of an alteration in airflow patterns increasing induced drag about the wings of an airplane.
C. The result of the disruption of the airflow patterns about the wings of an airplane to the point where the wings will no longer support the airplane in flight.
A. The result of the interference of the surface of the Earth with the airflow patterns about an airplane.
1.7
26. What force makes an airplane turn?
A. The horizontal component of lift.
B. The vertical component of lift.
C. Centrifugal force.
A. The horizontal component of lift
1.8
27. What determines the longitudinal stability of an airplane?
A. The location of the CG with respect to the center of lift.
B. The effectiveness of the horizontal stabilizer, rudder, and rudder trim tab.
C. The relationship of thrust and lift to weight and drag.
A. The location of the CG with respect to the center of lift.
1.8
- An airplane said to be inherently stable will
A. be difficult to stall.
B. require less effort to control.
C. not spin.
B. require less effort to control.
1.8
- An airplane has been loaded in such a manner that the CG is located aft of the aft CG limit. One undesirable flight characteristic a pilot might experience with this airplane would be
A. a longer takeoff run.
B. difficulty in recovering from a stalled condition.
C. stalling at higher-than-normal airspeed.
B. difficulty in recovering from a stalled condition.
- In what flight condition are torque effects more pronounced in a single-engine airplane?
A. Low airspeed, high power, high angle of attack.
B. Low airspeed, low power, low angle of attack.
C. High airspeed, high power, high angle of attack.
.
A. Low airspeed, high power, high angle of attack.
1.9
36. The left turning tendency of an airplane caused by P-factor is the result of the
A. clockwise rotation of the engine and the propeller turning the airplane counterclockwise.
B. propeller blade descending on the right, producing more thrust than the ascending blade on the left.
C.gyroscopic forces applied to the rotating propeller blades acting 90° in advance of the point the force was applied
B. propeller blade descending on the right, producing more thrust than the ascending blade on the left.
- If the outside air temperature (OAT) at a given altitude is warmer than standard, the density altitude
IS
A. equal to pressure altitude.
B. lower than pressure altitude.
C. higher than pressure altitude.
C. higher than pressure altitude.