Heat and Mass Transfer The automobile radiator is a heat exchanger of Counter flow type Parallel flow type Regenerator type Cross flow type Counter flow type Parallel flow type Regenerator type Cross flow type ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In a shell and tube heat exchanger, baffles are provided on the shell side to Improve heat transfer Provide support for tubes Prevent stagnation of shell side fluid All of these Improve heat transfer Provide support for tubes Prevent stagnation of shell side fluid All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following property of air does not increase with rise in temperature? Thermal conductivity Density Thermal diffusivity Dynamic viscosity Thermal conductivity Density Thermal diffusivity Dynamic viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fouling factor is used 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 In heat exchanger design as a safety factor 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 due to difference of density caused by temperature of the particle is known as Forced convection Conduction Free convection Radiation Forced convection Conduction Free convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as Transmissivity Intensity of radiation Emissivity Reflectivity Transmissivity Intensity of radiation Emissivity Reflectivity ANSWER DOWNLOAD EXAMIANS APP
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