Heat Transfer Prandtl number is the ratio of Momentum diffusivity to thermal diffusivity Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is 1 0.5 1.5 > 2 1 0.5 1.5 > 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a cooling tower, water becomes cool by Heat transfer to surroundings Loosing sensible heat Vaporisation due to heat loss to air Loosing latent heat Heat transfer to surroundings Loosing sensible heat Vaporisation due to heat loss to air Loosing latent heat ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff s law applies to __________ radiation monochromatic total Both total & monochromatic None of the listed here monochromatic total Both total & monochromatic None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Velocity of circulation Neither A and B Liquor-film co-efficient Both A and B Velocity of circulation Neither A and B Liquor-film co-efficient Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is None of these > 1 < 1 1 None of these > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP