Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Glazed Coated Oily Smooth Glazed Coated Oily Smooth ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, The temperature drop is inversely proportional to the resistance across which the drop occurs The temperature drops in the two fluids and the wall are proportional to individual resistances The relationship is not generalised There is no relationship between temperature drop and resistance The temperature drop is inversely proportional to the resistance across which the drop occurs The temperature drops in the two fluids and the wall are proportional to individual resistances The relationship is not generalised There is no relationship between temperature drop and resistance ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its High specific heat Dense structure None of these High proportion of air space High specific heat Dense structure None of these High proportion of air space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Thermal conductivity Density Viscosity Heat capacity Thermal conductivity Density Viscosity Heat capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having Scaling characteristics Both A & B High viscosity Neither A nor B Scaling characteristics Both A & B High viscosity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a cooling tower, water becomes cool by Heat transfer to surroundings Loosing sensible heat Loosing latent heat Vaporisation due to heat loss to air Heat transfer to surroundings Loosing sensible heat Loosing latent heat Vaporisation due to heat loss to air ANSWER DOWNLOAD EXAMIANS APP