海船船员考试

单选题What separate the high pressure side from the low pressure side in a refrigeration system?（）A Condenser and thermal expansion valveB King and solenoid valvesC Compressor and thermal expansion valveD Condenser and solenoid valve

题目
单选题
What separate the high pressure side from the low pressure side in a refrigeration system?（）
A

Condenser and thermal expansion valve

B

King and solenoid valves

C

Compressor and thermal expansion valve

D

Condenser and solenoid valve

参考答案和解析
正确答案： C
解析： 暂无解析
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相似问题和答案

第1题：

________ causes strong winds and rough sea at northwest Bay of Biscay．

A.Strong low pressure

B.Strong high pressure

C.Steep pressure gradient

D.Steep gradient pressure


正确答案：C

第2题：

What kind of pressure systems travel in easterly waves ________．

A.High pressure

B.Low pressure

C.Subsurface pressure

D.Terrastatic pressure


正确答案：B

第3题：

In the following statements about the principle of the low level controlling, which is WRONG? 0

A.Low level is monitored on the drain tank and header tank.

B.If there is high differential the filters pressure across the circulating

pumps is alarmed

C.The lubricating oil purifier cannot take oil from the drain tank

D.If the sea water pressure falls, this also operates an alarm


答案：C

第4题：

单选题
Two well-developed high pressure areas may be separated by a（）.
A

Hill of low pressure

B

Trough of low pressure

C

Valley of low pressure

D

Ridge of low pressure


正确答案： C
解析： 暂无解析

第5题：

单选题
Late fuel injection timing is indicated by （）
A

lower than normal cylinder pressure and low exhaust temperature

B

lower than normal cylinder pressure and high exhaust temperature

C

higher than normal cylinder pressure and low exhaust temperature

D

higher than normal cylinder pressure and high exhaust temperature


正确答案： B
解析： 暂无解析

第6题：

What alarm is NOT found on an inert gas system ________．

A.Low oxygen alarm

B.Low pressure alarm

C.Scrubber high water level alarm

D.Deck seal low water alarm


正确答案：A

第7题：

A barometer showing falling pressure indicates the approach of a ______.

A.high pressure system

B.low pressure system

C.high dew point

D.low dew point


正确答案：B
气压计显示气压下降，表示低气压临近。

第8题：

A smoking exhaust from an operating diesel engine could be caused by( ).

A.low sulfur content in the fuel

B.a loose injector inlet connection

C.late fuel injection

D.high injection pressure


正确答案：C
解析：sulfur/sulphur：硫;content：内容，含量
译文：运行中的柴油机冒黑烟，可能的原因是燃油喷射滞后。

第9题：

单选题
In a compression refrigeration plant the refrigerant is under low pressure in the （） and under high pressure in the （）.
A

compressor；condenser

B

condenser；evaporator

C

throttle valve；evaporator

D

evaporator；condenser


正确答案： D
解析： 暂无解析

第10题：

单选题
（）causing strong winds and rough sea north west Bay of Biscay.
A

Strong low pressure

B

Strong high pressure

C

Steep pressure gradient

D

Steep gradient pressure


正确答案： A
解析： 暂无解析

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