Heat Transfer A body is called grey if the monochromatic emissivity of the body is Unity Zero Same for all wavelengths Different for all wavelengths Unity Zero Same for all wavelengths Different for all wavelengths ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is More More or less; depends on the nature of solution Less Same More More or less; depends on the nature of solution Less Same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Neither A and B Velocity of circulation Both A and B Liquor-film co-efficient Neither A and B Velocity of circulation Both A and B Liquor-film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Series and parallel set of shell and tube Plate fine None of the listed here Double pipe Series and parallel set of shell and tube Plate fine None of the listed here Double pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Increase by 216 Remain unchanged Increase by 1.8 times Decrease by 22 Increase by 216 Remain unchanged Increase by 1.8 times Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid density Interfacial tension Liquid viscosity Hot surface temperature Liquid density Interfacial tension Liquid viscosity Hot surface temperature ANSWER DOWNLOAD EXAMIANS APP
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