單項(xiàng)選擇題

Which of the following statements describes the function of an expansion tank in a diesel engine cooling system?（）

A.Maintains a constant head on the system
B.Reduces the likelihood of air or steam pockets formation
C.Provides a low pressure point for the addition of makeup cooling water
D.All of the above

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單項(xiàng)選擇題

To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of （）.

A.brass
B.copper
C.iron
D.monel metal or stainless steel

單項(xiàng)選擇題

The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.

A.reduce water temperature
B.reduce water turbulence
C.provide an air cushion
D.allow for an increase in water volume as the engine warms up

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Which of the following statements describes the function of an expansion tank in a diesel engine cooling system?（）

你可能感興趣的試題

To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of （）.

The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.