单项选择题

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

点击查看答案

上一题目录下一题

相关考题

单项选择题

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

单项选择题

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

单项选择题

A salinity indicator is used to determine the （）.

A.cause of salt contamination
B.location of salt water contamination
C.chemical makeup of feed-water
D.level of alkalinity in condensate