Heat waves

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Question

Heat waves

Options:

A . Can not pass through vacuum

B . Travel in straight line

C . Can be reflected by a mirror

D . Both B and C

Answer: Option D

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More Questions on This Topic :

Question 1. Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger?....

Question 2. The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature)....

Question 3. Which characteristic of a fluid is not important in deciding its route in a shell and tube heat exchanger?....

Question 4. For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt =....of cooling is proportional to (where, Δt = excess temperature)

Question 5. __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tub....side fluid is much higher than that of tube side.

Question 6. Which of the following has the highest thermal conductivity?....

Question 7. Overall heat transfer co-efficient for cooling of hydrocarbons by water is about....

Question 8. The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe )....= heat transfer coefficient at inside of the pipe )

Question 9. Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and ....distance between the object emitting radiation and that receiving it.)

Question 10. In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in....boiling takes place in the vicinity of the heated surface.

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