超星 - Lesson 5：词汇与结构 - 查题吧

单选题

The pressure regulator unloads or ______ the engine driven pump when the desired pressure in the system is reached.

A. believes
B. relieves
C. retrieves
D. receives

单选题

A ______ is a screening or straining device used to clean the hydraulic fluid, thus preventing foreign particles and contaminating substancesfrom remaining in the system.

A. pump
B. reservoir
C. regulator
D. filter

单选题

词汇与结构Hydraulic power is one of the power sources which are widely used in modern airplanes to operate various airplane units and_____

A. mechanisms
B. machines
C. techniques
D. organs

单选题

词汇与结构Among the units commonly ________ by hydraulic systems are landing gear, wing flaps, slats, speed and wheel brakes, nose wheel steering and primary flight control surfaces.

A. applied
B. updated
C. cooperated
D. operated

单选题

词汇与结构The hydraulic reservoir is a tank or a ________ designed to store sufficient hydraulic fluid for all conditions of operation.

A. maintainer
B. retainer
C. container
D. obtainer

单选题

词汇与结构Hydraulic pressure must be ________ in order to use it to perform the desired tasks.

A. regulated
B. administrated
C. governed
D. regulation

单选题

词汇与结构The filter can prevent ________ particles and contaminating substances from remaining in the system.

A. domestic
B. foreign
C. strange
D. outside

单选题

词汇与结构In the event of hydraulic failures, the pilot will normally inform ________ about controllability of the aircraft and his further intentions.

ATC
B. ETC
C. FBI
D. PFD

单选题

词汇与结构In case of hydraulic failures, the flight crew need time to check ________ and all other related functions and need more time than usual for actions such as manual gear extension.

A. controlling system
B. hydraulic system
C. alternate systems
D. monitoring system

单选题

The crew ____ air traffic control that the airplane would be returning to Atlanta and subsequently declared an emergency.

A. noticed
B. notified
C. identified
D. employed

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