Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Water Molten sodium Dowtherm Air Water Molten sodium Dowtherm Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water. Density Boiling point (at the same pressure) Thermal conductivity Viscosity Density Boiling point (at the same pressure) Thermal conductivity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires More space Less heating surface Lower maintenance cost None of these More space Less heating surface Lower maintenance cost None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator is not influenced much by the ratio of the weight of the thin liquor to thick liquor rate of heat transfer temperature of the feed boiling point elevations ratio of the weight of the thin liquor to thick liquor rate of heat transfer temperature of the feed boiling point elevations ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is Same as average heat transfer co-efficient for tube side Infinity None of these Zero Same as average heat transfer co-efficient for tube side Infinity None of these Zero ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum absorptivity? Iron plates Aluminium foil Refractory bricks Coal dust Iron plates Aluminium foil Refractory bricks Coal dust ANSWER DOWNLOAD EXAMIANS APP
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