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Higher Study | Heat Transfer

Radiation Convection Conduction Heat Exchanger
Heat conduction in gases is due to
All radiations in a black body are
Heat flows from one body to other when they have
Which of the following is a case of steady state heat transfer?
Water boils when its vapor pressure
Fins are provided on heat transferring surface in order to increase:
Stefan Boltzmann law is applicable to
A perfect black body is
The unit of thermal conductivity is?
Heat exchangers are used in A. Condensers and boilers in steam plants B. Radiators C. Intercoolers and preheaters D. Condensers and evaporators in refrigerators and air conditioners
Transmission of heat by molecular collision is called
A satellite floats in deep space with very high velocity. It will continuously lose heat by
A fraction of radiative energy leaving one surface that strikes the other surface is called
Heat pipe is widely used now a days because
For a given heat flow and for the same thickness, the temperature drop across the material will be maximum for
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