EXAMIANS
The concept of overall coefficient of heat transfer is used in heat transfer problems of
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The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as
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The natural convection air cooled condensers are used in
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Fouling factor is used
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When absorptivity (α) = 1, reflectivity (ρ) = 0 and transmissivity (τ) = 0, then the body is said to be a
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In heat exchangers, degree of approach is defined as the difference between temperatures of
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Heat transfer takes place as per
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The thickness of thermal and hydrodynamic boundary layer is equal if Prandtl number is
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The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as
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Unit of thermal conductivity in M.K.S. units is
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