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Temperature control valves installed in the jacket cooling w

题目
单选题
Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the （）.
A

cooling water pump

B

nozzle cooling passages

C

cylinder jackets

D

heat exchanger

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相似问题和答案

第1题：

Piston cooling fins are located

A.atop the piston crown

B.beneath the piston crown

C.at the base of the piston skirt

D.inside the cylinder liner cooling water jacket


正确答案：B

第2题：

Modern desktop computer systems require the following to properly dissipate heat（）

  • A、Temperature Control Panel
  • B、Thermal Compound
  • C、Liquid Cooling Systems
  • D、Processor Heat Sink
  • E、Case Fan

正确答案:B,D

第3题：

The space between cylinder liner and jacket is called _____.

A.the cooling water

B.the circulating water

C.the cooler

D.the cooling water space


正确答案：D

第4题：

单选题
A three-way thermostatic control valve regulates the diesel engine cooling water temperature by passing a portion of the water （）.
A

around the engine

B

around the cooler

C

to the expansion tank

D

overboard


正确答案： B
解析： 暂无解析

第5题：

单选题
If a diesel engine were running at 20% overload with a smoky exhaust, you should（）
A

stop the engine immediately to prevent damage

B

increase lube oil pressure

C

slow the engine allowing it to gradually cool

D

decrease the cooling water it temperature to the water jacket


正确答案： A
解析： 暂无解析

第6题：

Valves on steam-smothering lines to cargo tanks shall be set with ______．

A.The master control valve shut and valves to individual cargo tanks shut

B.The master control valve open and valves to individual cargo tanks shut

C.The master control valve shut and valves to individual cargo tanks open

D.All valves open


正确答案：C

第7题：

Which of the following accurately describes the meaning of redundant cooling？（）

  • A、The source of cooling to a RAID system
  • B、The cooling system in a redundant power supply
  • C、A cooling system that can be installed in case of failure
  • D、A second cooling system in case of a failure

正确答案:D

第8题：

If air at 95°Cdry bulb temperature and 50%relative humidity is conditioned to 75°Cdry bulb temperature and 50%relative humidity, it is an example of()

A.cooling only

B.cooling and humidifying

C.cooling and dehumidifying

D.adiabatic(绝热的)cooling


答案：C

第9题：

单选题
If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be （）
A

a dirty lube oil strainer

B

internal water leaks

C

an oil suction line restriction

D

excessive wears of the cooling water pump


正确答案： B
解析： 暂无解析

第10题：

单选题
If the operating element of a thermostatic valve installed in a diesel engine cooling system malfunctions, it may result in （）
A

a low level in the engine expansion tank

B

excessively high coolant pressure

C

improper temperatures

D

malfunctioning of the jacket water heater


正确答案： B
解析： 暂无解析

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