Which of the following will cause the heat transfer rate to decrease?

A. The surface area decreases.
B. The heat transfer coefficient increases.
C. The temperature difference between the fluids increases.
D. All of the above


A. Correct. The heat transfer rate will decrease if the surface area decreases.
B. Incorrect. The heat transfer rate will decrease if the heat transfer coefficient decreases.
C. Incorrect. The heat transfer rate will decrease if the difference between the fluids decreases.
D. Incorrect. The heat transfer rate will decrease if the surface area decreases, the heat transfer coefficient decreases, or the difference between the fluids decreases.

Trades & Technology

You might also like to view...

According to the 2010/2011 Computer Crime and Security Survey, ____ is "the most commonly seen attack, with 67.1 percent of respondents reporting it."

A. denial-of-service B. malware infection C. unauthorized access D. inappropriate use

Trades & Technology

What type of sensor is used as a height sensor on vehicles equipped with an electronically controlled suspension?

A) Potentiometer B) Photo cell C) Hall-effect D) All of the above

Trades & Technology

A diode could be judged as properly functioning if it

A) conducted current only when reversed biased. B) conducted only when forward biased. C) conducted current in both directions. D) did not dissipate heat. E) none of the above

Trades & Technology

The output of a linker is a(n) ____ file.

A. executable B. binary C. object D. source code

Trades & Technology