Heat and Mass Transfer Unit of thermal conductivity in S.I. units is J/m² sec Option (B) and (C) above J/m °K sec W/m °K J/m² sec Option (B) and (C) above J/m °K sec W/m °K ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer All radiations in a black body are Refracted Absorbed Reflected Transmitted Refracted Absorbed Reflected Transmitted ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of glass wool varies from sample to sample because of variation in Composition Porosity Density All of these Composition Porosity Density All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The transfer of heat by molecular collision is known as Radiation Convection None of these Conduction Radiation Convection None of these Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Upto the critical radius of insulation, Heat flux will decrease Convective heat loss will be less than conductive heat loss Added insulation will decrease heat loss Added insulation will increase heat loss Heat flux will decrease Convective heat loss will be less than conductive heat loss Added insulation will decrease heat loss Added insulation will increase heat loss ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Moisture would find its way into insulation by vapour pressure unless it is prevented by High thickness of insulation High vapour pressure A vapour seal Less thermal conductivity insulator High thickness of insulation High vapour pressure A vapour seal Less thermal conductivity insulator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS