你可能感興趣的試題

The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.

A.remain constant along the tubes length
B.be greatest in a single pass counter flow heat exchanger
C.remain constant throughout the heat exchanger
D.vary from section to section through out the heat exchanger

單項選擇題

If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.

A.a low load on the unit
B.a clogged pump suction strainer
C.a blockage in the line between the pump and hydraulic motor
D.the hydraulic motor turning too fast

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The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?（）

你可能感興趣的試題

The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.

If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.

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