2016年放行人员英语考试单选题

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There are manifolds and ducts along the sidewalls and above the ceiling area of the passenger cabin. “manifolds” can be translated into_____.

The ground conditioned air connector attaches to the main distribution manifold duct with band clamps. “band clamps” can be translated into_____.

The ventilation quantity is based on a fixed

value for the crew and allowable leakage, and on the number of passenger seats.The word “allowable” can be replaced by ____.

What is “muffler”？

Outlets along the side walls and

the center of the ceiling divide the air for symmetrical supply.“symmetrical” in the sentence means______.

Vent ports adjacent to the lavatory and galleys let air in those areas flow overboard. “ports” here in the sentence means_____.

There are two slotted connect holes on the

outside fitting for the ground cart hose hook-up.Translate" slot ,hose, hook-up"in the sentence.

The connector fitting attaches to the skin of the airplane with a pressure seal.

The mix chamber of the main air distribution system mixes hot and cold air from the pack before it goes into the distribution system. Chamber here means______.

The air distribution supply ducts in the flight compartment include metering orifices and mufflers.

“The flight compartment has these captain and first officer diffusers and outlets: Overhead outlets and gasper；Underseat diffusers.” What are “gasper and diffuser”?

There are two segmented disks inside the windshield and foot

air outlet valve housing.“segmented” in this sentence means_______.

This part of the A/C system recycles 50 percent of the cabin air for ventilation purposes.“recycle”here means________.

FLT COMPT is short for________.

The usual control for the left pack makes sure that it supplies air at a temperature that gives the necessary cooling for the flight compartment.The sentence can be translated into________.

A flight starts when the air mode is sensed for longer than 30 seconds.“sensed” here means（）。

The ventilation system uses differential pressure to pull air out of the airplane. “differential” means（）。

"ACAU" stands for ( ）.

The word "horn" in this phrase "altitude horn cutout switch" means( ).

The RESET test switch is used to erase the fault history. Erase can be translated into（）

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