The unit of thermal diffusivity is

More Questions from Heat Transfer, Refrigeration and Air Conditioning

• In a boot-strap air evaporative cooling system, the evaporator is provided
• The ratio of Nusselt number and the product of Reynold's number and Prandtl number is equal to
• In a shell and coil condenser, water flows in the shell and the refrigerant in the coil.
• The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression system is
• In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is
• The condition of refrigerant as it leaves the compressor in a vapour compression system is
• Which of the following statement is correct?
• The radiation emitted by a black body is known as
• In case of liquids and gases, the heat transfer takes place according to
• The minimum temperature to which water can be cooled in a cooling tower is

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