Heat and Mass Transfer Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called Thermal conductivity Temperature gradient Thermal resistance Thermal coefficient Thermal conductivity Temperature gradient Thermal resistance Thermal coefficient ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The insulation ability of an insulator with the presence of moisture would Remain unaffected Increase May increase/decrease depending on temperature and thickness of insulation Decrease Remain unaffected Increase May increase/decrease depending on temperature and thickness of insulation Decrease ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of surface convection resistance to the internal conduction resistance is known as Stanton number Biot number Grashoff number Prandtl number Stanton number Biot number Grashoff number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Absorptivity of a body will be equal to its emissivity At one particular temperature When system is under thermal equilibrium At critical temperature At all temperatures At one particular temperature When system is under thermal equilibrium At critical temperature At all temperatures ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The use of heat exchangers is made in All of these Condensers and boilers in steam plants Radiators in automobile Condensers and evaporators in refrigeration and air conditioning units All of these Condensers and boilers in steam plants Radiators in automobile Condensers and evaporators in refrigeration and air conditioning units ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit Thickness Temperature Time Area Thickness Temperature Time Area ANSWER DOWNLOAD EXAMIANS APP
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