? ?
B．Maintain speed. C．Decrease speed.
正确答案：A
(54)What should a pilot do to maintain \airplane performance when a tailwind is encountered?
? ? ?
A．Increase speed. B．Maintain speed. C．Decrease speed.
正确答案：C
(55)Which procedure produces the minimum fuel consumption for a given leg of the cruise flight?
?
A．Increase altitude for a headwind, decrease altitude for a tailwind.
? ?
B．Increase speed for a tailwind. C．Increase speed for a headwind.
正确答案：C
(56)At what speed, with reference to L/DMAX, does maximum range for a jet airplane occur?
? ? ?
A．A speed less than that for L/DMAX. B．A speed equal to that for L/DMAX. C．A speed greater than that for L/DMAX.
正确答案：C
(57)Maximum range performance of a turbojet aircraft is obtained by which procedure as aircraft weight reduces?
? ? ?
A．Increasing speed or altitude.
B．Increasing altitude or decreasing speed. C．Increasing speed or decreasing altitude.
正确答案：B
(58)Under what condition should stalls never be practiced in a twin-engine airplane?
? ? ?
A．with one engine inoperative B．with full flaps and gear extended C．with climb power on
正确答案：A
(59)V2 or initial climb speed must not be
? ? ?
A．More than the take off safety speed B．Less than 1.2 VS1 C．More than 1.1 MAC
正确答案：B
(60)V2 or rotation speed must not be
? ?
A．Less than V1 B．More than VMCA
?
C．Less than VMCG+20 kts
正确答案：A
(61)At what speed will dynamic hydroplaning begin if tire has pressure 70?
? ? ?
A．75 knots B．85 knots C．80 knots
正确答案：A
(62)As large jet transport aircraft climbs above FL340 as fuel burns off, the IAS turbulence penetration speed will
? ? ?
A．Increase. B．Decrease. C．Remain the same.
正确答案：B
(63)In relation to take off performance V1 is the speed by which
? ? ?
A．a decision has been made B．retardation action is taken C．a margin of 10% exists over VMCG
正确答案：A
(64)When setting the altimeter, pilot should disregard
? ?
A．corrections for static pressure systems. B．effects of nonstandard atmospheric temperatures and pressures.
?
C．corrections for instrument error.
正确答案：B
(65)In en route flight, the altimeter setting is
?
A．QNE