海船船员考试

单选题The scavenge air receiver is of a simplified and modular design with integral non-return flaps, hanging cooler and two auxiliary air blowers（）A dozensB parcelsC bundlesD gallons

题目
单选题
The scavenge air receiver is of a simplified and modular design with integral non-return flaps, hanging cooler and two auxiliary air blowers（）
A

dozens

B

parcels

C

bundles

D

gallons

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相似问题和答案

第1题：

What is the function of an air receiver in the compressed air system on a ship?

A.Condenses moisture

B.Provides overpressure protection

C.Purifies the air

D.Acts as an accumulator


正确答案：D

第2题：

MRC是什么的缩写？（）

  • A、Modular Radio Connect
  • B、Modular Resistance Cabinet
  • C、Modular Radio Cabinet
  • D、Modular Resistance Connect

正确答案:C

第3题：

High firing pressures and low exhaust temperature in a diesel engine may resultfrom( ).

A.decreased piston to cylinder head clearance

B.increased exhaust system back pressure

C.early fuel injection timing

D.low scavenge air temperature


正确答案：C
解析：decrease：减少;clearance：间隙
译文：喷油定时过早会引起柴油机爆炸压力偏高、排温偏低。

第4题：

单选题
The process of loop scavenge is that the exhaust will be via ports （） the air ports and controlled by the same piston.
A

behind

B

far from

C

adjacent to

D

in front of


正确答案： A
解析： 暂无解析

第5题：

单选题
Propulsion engines and the vast majority of auxiliary generator engines are designed to allow a generous through-flow of scavenge air in order to control （）
A

the lubricating oil consumption

B

the turbine blade temperature

C

the flow rate of fuel

D

scavenge air pressure


正确答案： A
解析： 暂无解析

第6题：

MRC是什么的缩写？（）

  • A、Modular Radio Connect
  • B、Modular Resistance Cabinet
  • C、Modular Radio Cabinet

正确答案:C

第7题：

单选题
A substantial increase pressure could be an indication of a/an （）
A

worn cylinder liner

B

faulty cylinder relief valve

C

excessive lube oil pressure

D

excessive scavenge air pressure


正确答案： D
解析： 暂无解析

第8题：

Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?

A.Corrosion and eventual failure of the tank

B.Gumming of the tank relief valves

C.Immediate failure of components downstream of the compressed air system

D.Boiling of the water oil mixture as pressure is reduced


正确答案：A

第9题：

单选题
A dirty intercooler on an air compressor will cause （）.
A

damage to the un-loader operating diaphragm

B

an increase in current flow to the motor

C

high pressure in the receiver and filter

D

an excessive consumption of crankcase oil


正确答案： C
解析： 暂无解析

第10题：

单选题
Which of the following operation will have a direct impact on the rate of wear in a cylinder liner （）
A

amount of scavenge air to the cylinder

B

quality of fuel injected

C

viscosity of the lube oil

D

compression ratio of the piston


正确答案： A
解析： 暂无解析

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