單項(xiàng)選擇題

The general purpose of a heat exchanger is to （）.

A.eliminate hot air from the condenser
B.maintain steady pressure in a system
C.heat, or cool one fluid by means of another fluid
D.reduce the engine room temperature in tropical climates

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單項(xiàng)選擇題

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?（）

A.Cross
B.Parallel
C.Counter
D.Circular

單項(xiàng)選擇題

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

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The general purpose of a heat exchanger is to （）.

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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?（）

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