(88)How will the airspeed indicator react if the ram air input to the pitot head is blocked by ice, but the drain hole and static port are not?
? ? ?
A．Indication will drop to zero.
B．Indication will rise to the top of the scale. C．Indication will remain constant but will increase in a climb.
正确答案：A
(89)Which is a purpose of the leading-edge flaps？
? ? ?
A．Increase the camber of the wing.
B．Reduce lift without increasing airspeed. C．Direct airflow over the top of the wing at high angles of attack.
正确答案：A
(90)The Krueger flap extends from the leading edge of the wing, increasing its
? ? ?
A．angle of attack B．camber C．energy
正确答案：B
(91)The use of a higher flap setting for takeoff will
?
A．Lengthen both the takeoff run and the second and third takeoff climb segments.
?
B．Shorten the takeoff run and the second but lengthen the third takeoff climb segment.
?
C．Shorten the takeoff run but lengthen the second and third takeoff climb segments.
正确答案：C
(92)Why must the angle of attack be increased during a turn to maintain altitude?
?
A．Compensate for loss of vertical component of lift
?
B．Increase the horizontal component of lift equal to the vertical component
?
C．Compensate for increase in drag
正确答案：A
(93)To avoid the wingtip vortices of a departing jet airplane during takeoff, the pilot should
?
A．Lift off at a point well past the jet airplane's flight path.
?
B．Climb above and stay upwind of the jet airplane's flight path.
?
C．Remain below the flight path of the jet airplane.
正确答案：B
(94)What effect would a light crosswind have on the wingtip vortices generated by a large airplane that has just taken off?
?
A．The upwind vortex will tend to remain on the runway longer than the downwind vortex.
?
B．A crosswind will rapidly dissipate the strength of both vortices.
?
C．The downwind vortex will tend to remain on the runway longer than the upwind vortex.
正确答案：A
(95)What flight condition should be expected when an aircraft leaves ground effect?
?
A．An increase in induced drag requiring a higher angle of attack.
?
B．A decrease in parasite drag permitting a lower angle of attack.
?
C．An increase in dynamic stability.
正确答案：A
(96)A definition of the term \hydroplaning\is where
? ?
A．the airplane rides on standing water. B．a film of moisture covers the painted or rubber-coated portion of the runway.
?
C．the tires of the airplane are actually riding on a mixture of steam and melted rubber.
正确答案：B
(97)What is the best method of speed reduction if hydroplaning is experienced on landing?
? ?
A．Apply full main wheel braking only. B．Apply nosewheel and main wheel braking alternately and abruptly.
?
C．Apply aerodynamic braking to the fullest advantage.
正确答案：C