Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Thermal conductivity Heat capacity Viscosity Density Thermal conductivity Heat capacity Viscosity Density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is Some Less Either more or less ; depends on the nature of vapor More Some Less Either more or less ; depends on the nature of vapor More ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which has the lowest Prandtl number? Water Aqueous solution Lube oil Liquid metal Water Aqueous solution Lube oil Liquid metal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to perimeter Volume to surface area Perimeter to surface area Surface area to volume Surface area to perimeter Volume to surface area Perimeter to surface area Surface area to volume ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having High viscosity Neither A nor B Scaling characteristics Both A & B High viscosity Neither A nor B Scaling characteristics Both A & B 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 No. of baffles Tube pitch Tube diameter Tube layout No. of baffles Tube pitch Tube diameter Tube layout ANSWER DOWNLOAD EXAMIANS APP
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