Heat Transfer An insulator should have A porous structure Low thermal conductivity High thermal conductivity Less resistance to heat flow A porous structure Low thermal conductivity High thermal conductivity Less resistance to heat flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by Transient conduction Forced convection Steady state conduction Natural convection Transient conduction Forced convection Steady state conduction Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by Eddies current Convection Conduction None of these Eddies current Convection Conduction None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam economy in case of a triple effect evaporator will be > 1 1 Between 0 and 1 < 1 > 1 1 Between 0 and 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Molten sodium Air Water Dowtherm Molten sodium Air Water Dowtherm ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube diameter No. of baffles Tube pitch Tube layout Tube diameter No. of baffles Tube pitch Tube layout ANSWER DOWNLOAD EXAMIANS APP
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