海船船员考试

单选题As the air passes through the charge air cooler, its temperature may be reduced and moisture condensed, with the condensate in danger of being carried into the engineSo a water separator should be mounted beneath the bottom part of the engine inlet man

题目
单选题
As the air passes through the charge air cooler, its temperature may be reduced and moisture condensed, with the condensate in danger of being carried into the engineSo a water separator should be mounted beneath the bottom part of the engine inlet manifoldA water separator is used in order to （）.
A

keep the air from being carried into the engine

B

keep the moisture from being condensed

C

keep the danger from being carded into the engine

D

take away the condensate from the air

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相似问题和答案

第1题：

What is the most probable cause of reduced capacity in a reciprocating air compressor ________．

A.Carbon on cylinder heads

B.Faulty unloader

C.Leaking air valves

D.Plugged air cooler


正确答案：C

第2题：

单选题
On opposite ends of a single shaft of a turboblower are a gas driven （）and a air compressor, which are sealed each other.
A

charge air receiver

B

scavenging air belt

C

turbine

D

air cooler


正确答案： C
解析： 暂无解析

第3题：

Steam smoke will occur when ______.

A.extremely cold air from shore passes over warmer water

B.warm dry air from shore passes over cooler water

C.cold ocean water evaporates into warm air

D.cool rain passes through a warm air mass


正确答案：A

第4题：

单选题
The compressed air is admitted to each cylinder through a cam operated by starting air valve when the piston has just passed its （）.
A

BDC

B

TDC

C

BBDC

D

ATDC


正确答案： A
解析： 暂无解析

第5题：

单选题
Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）
A

Holding the valve open for a long period

B

Increasing the starting air pressure used

C

Opening the stating air valve quickly

D

Reducing the starting air valve size


正确答案： D
解析： 暂无解析

第6题：

Which of the following is a reason why Bob, a technician, should install case fans in the front of acomputer case?（）

  • A、It forces hot air out of the PC
  • B、The fan is easier to remove and clean
  • C、It forces cooler air into the power supply quickly
  • D、It forces cooler air across the motherboard

正确答案:D

第7题：

单选题
When used in conjunction with a turbocharger, the main function of an after-cooler is to （）
A

increase the density of the cylinder air charge

B

prevent turbocharger overheating

C

liminate the need for a pre-cooler

D

remove moisture from air compressed by the turbocharger


正确答案： B
解析： 暂无解析

第8题：

Diesel engines obtain combustion air through turbo chargers，blowers，or ______．

A.Air starters

B.Carburetors

C.Natural aspiration

D.Air receivers


正确答案：C

第9题：

单选题
The pressurized air is usually cooled to increase the charge air （）.
A

viscosity

B

density

C

velocity

D

electricity


正确答案： A
解析： 暂无解析

第10题：

单选题
The term diesel engine scavenging means（）
A

delivering more air into the cylinder than it would normally receive during an ordinary charging process

B

forcing the products of combustion out of the cylinder with the fresh air charge

C

collecting the air charge at the cleaner

D

combustion and expansion of hot gas


正确答案： B
解析： 暂无解析

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