Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. Increases May increase or decrease, depends on the type of baffle Does not affect Decreases Increases May increase or decrease, depends on the type of baffle Does not affect Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Viscosity Thermal conductivity Heat capacity Density Viscosity Thermal conductivity Heat capacity Density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is 0.6 0.2 0.4 0.8 0.6 0.2 0.4 0.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Prandtl Colburn None of these Reynolds Prandtl Colburn None of these Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because Heat transfer co-efficient are high There is no mist formation Cost of equipment is lower There is no risk of contamination Heat transfer co-efficient are high There is no mist formation Cost of equipment is lower There is no risk of contamination ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Both A and B Neither A and B Isothermal Non-isothermal Both A and B Neither A and B Isothermal Non-isothermal ANSWER DOWNLOAD EXAMIANS APP
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