超星 - 词汇学习一 - 查题吧

单选题

In some emergency cases, the power used can then be increased to increase the aircraft's____.

A. performance
B. power
C. efficiency
D. capacity

单选题

Before takeoff, the engines, particularly piston engines, are routinely run up at high power to check for ____ problems.

A. fuselage-related
B. system-related
C. engine-related
D. piston-related

单选题

The term ___＿is used because the aircraft pivots around the axis of its main landing gear while still on the ground, usually due to manipulation of the flight controls to make this change in aircraft attitude.

A. airborne
B. rotation
C. roll
D. takeoff

单选题

For most aircraft, attempting a takeoff without a pitch-up would require____speeds while still on the runway.

A. takeoff
B. cruise
C. taxi
D. approach

单选题

____aircraft designed for high-speed operation have difficulty generating enough lift at the low speeds during takeoff.

A. fixed-wing
B. rotary wing
C. tricycle
D. single-engine

单选题

These are therefore fitted with high-lift devices, often including slats and usually flaps, which increase the ____of the wing, making it more effective at low speed, thus creating more lift.

A. area
B. camber
C. lift
D. weight

单选题

A ____will reduce the ground speed needed for takeoff, as there is a greater flow of air over the wings.

A. windshear
B. downwind
C. headwind
D. microburst

单选题

For a given aircraft, the takeoff speed is usually directly____ to the aircraft weight; the heavier the weight, the greater the speed needed.

A. same
B. addictive
C. proportional
D. opposite

单选题

Some aircraft specifically designed for short takeoff and landing can even become____ from a standing start when pointed into a sufficiently strong wind.

A. failed
B. banked
C. unstable
D. airborne

单选题

The takeoff speed required varies with air density, aircraft gross weight, and aircraft ____ (flap and/or slat position, as applicable).

A. shape
B. control
C. system
D. configuration

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