超星 - Test for Lesson 7: Vocabulary and Structures - 查题吧

单选题

词汇与结构_____ a pilot becomes aware of an in-flight engine compartment fire, it usually is well developed.

A. In case that
B. Not until
C. By the time
D. In spite that

单选题

词汇与结构They can also be indicated by discoloration, bubbling, and/or melting of the engine cowling skin in cases where flames and/or smoke is not _____ to the pilot.

A. visible
B. obvious
C. severe
D. approximate

单选题

词汇与结构Engine compartment fires can be ______ by smoke and/or flames coming from the engine cowling area.

A. caused
B. indicated
C. estimated
D. sensed

单选题

词汇与结构Unless the airplane manufacturer directs otherwise in the AFM/POH, the first step ______ a fire should be to shut off the fuel supply to the engine.

A. at discovering
B. in discovering
C. to discover
D. on discovering

单选题

词汇与结构If the engine compartment fire is oil-fed, as evidenced by thick black smoke, as ______ to a fuel-fed fire which produces bright orange flames, the pilot should consider stopping the propeller rotation by feathering or other means.

A. similar
B. opposed
C. symbolic
D. contradict

单选题

词汇与结构APU allows the aircraft to be independent of______ pneumatic and electrical power supplies.

A. additional
B. specific
C. internal
D. external

单选题

词汇与结构The aircraft battery also supplies control circuitry power when the APU battery voltage______ because of heavy starter motor load.

A. aggravates
B. increases
C. drops
D. soars

单选题

词汇与结构An amber FAULT light on the APU control panel ______ whenever a fault or fire is sensed.

A. is inhibited
B. illuminates
C. is suppressed
D. deflects

单选题

词汇与结构When the inlet door is fully open, an electric starter engages, and the APU ______ to its normal operating speed.

A. accelerates
B. transforms
C. varies
D. augments

单选题

词汇与结构The starter duty cycle is a maximum of 3 ______ starts or attempts within a 60 minute period with a 5 minute cooling period between attempts.

A. constructive
B. continuous
C. consequent
D. consecutive

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