Heat and Mass Transfer Heat transfer by radiation mainly depends upon Nature of the body Kind and extent of its surface All of these Its temperature Nature of the body Kind and extent of its surface All of these Its temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Planck’s law holds good for polished bodies All of these all coloured bodies black bodies polished bodies All of these all coloured bodies black bodies ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means, is known as Forced convection Conduction Radiation Free convection Forced convection Conduction Radiation Free convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The value of the wave length for maximum emissive power is given by Planck’s law Stefan’s law Wine’s law Kirchhoff’s law Planck’s law Stefan’s law Wine’s law Kirchhoff’s law ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The thickness of thermal and hydrodynamic boundary layer is equal if Prandtl number is Equal to one Greater than one Equal to Nusselt number Less than one Equal to one Greater than one Equal to Nusselt number Less than one ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fouling factor is used In heat exchanger design as a safety factor In case of Newtonian fluids When a liquid exchanges heat with a gas None of these In heat exchanger design as a safety factor In case of Newtonian fluids When a liquid exchanges heat with a gas None of these ANSWER DOWNLOAD EXAMIANS APP
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