In case of solids, the heat transfer takes place according to radiation.

More Questions from Heat Transfer, Refrigeration and Air Conditioning

• Which of the following represents a heat pump?
• The condition of refrigerant after leaving the compressor and before entering the condenser is superheated vapour.
• The heat transfer takes place according to
• The amount of radiation mainly depends upon the
• The temperature of ammonia after compression in a vapour compression system is
• The coefficient of performance of Heat Pump is always __________ one.
• Degree of saturation or percentage humidity is
• The subcooling in a refrigeration cycle
• Fourier's law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body)
• The process of heat transfer from a hot body to a cold body, in a straight line, without affecting the intervening medium, is called radiation.

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