超星 - Test for Lesson 8: Vocabulary and Structures - 查题吧

单选题

词汇与结构The pressure maintained within the cabin is referred to as the _______ effective cabin altitude.

A. equivalent
B. parallel
C. similar
D. relevant

单选题

词汇与结构Pressurization problems can seriously ______ the consciousness of the pilot.

A. disturb
B. impair
C. infer
D. affect

单选题

词汇与结构If a controller fails, pack control switches ______ to the other controller.

A. electronically
B. manually
C. electrically
D. automatically

单选题

词汇与结构Pack output is increased automatically during high pack demand periods to compensate for a failed pack or recirculation fan, or is limited during high bleed air demand periods such as for gear ______.

A. reiteration
B. retraction
C. restriction
D. reduction

单选题

词汇与结构Each pack can operate at reduced flow during certain some phases of flight to reduce fuel ________.

A. consumption
B. cost
C. expense
D. leakage

单选题

词汇与结构The cabin of an aircraft is pressurized by using engine bleed air, which is conditioned and ______into the cabin.

A. guided
B. altered
C. alternate
D. guess

单选题

词汇与结构The amount and pressure of the conditioned air is regulated by a computer and _____ valves.

A. inflow
B. inlet
C. outlet
D. outflow

单选题

词汇与结构Passengers with conditions such as a pneumothorax are advised not to fly until fully ______ ; pain may still be experienced in the ears and sinuses by people suffering from a cold or other infection.

A. repaired
B. mended
C. filled
D. healed

单选题

词汇与结构That destination may be significantly above sea level and this needs to be taken into _______ .

A. account
B. sense
C. notice
D. advantage

单选题

词汇与结构It is then expanded and cooled to a suitable temperature by passing it _____a heat exchanger and air cycle machine.

A. through
B. with
C. across
D. into

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