Heat and Mass Transfer The thickness of thermal and hydrodynamic boundary layer is equal if Prandtl number is Equal to Nusselt number Greater than one Less than one Equal to one Equal to Nusselt number Greater than one Less than one Equal to one ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of surface convection resistance to the internal conduction resistance is known as Grashoff number Prandtl number Stanton number Biot number Grashoff number Prandtl number Stanton number Biot number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the body to another by the actual motion of the heated particles, is called Conduction Convection Radiation None of these Conduction Convection Radiation None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of solid metals with rise in temperature normally Remain constant Decreases Increases May increase or decrease depending on temperature Remain constant Decreases Increases May increase or decrease depending on temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Sensible heat factor is given by (where S.H. = Sensible heat, and L.H. = Latent heat) (L.H - S.H)/S.H S.H/(S.H + L.H) (S.H + L.H) /S.H S.H/(L.H - S.H) (L.H - S.H)/S.H S.H/(S.H + L.H) (S.H + L.H) /S.H S.H/(L.H - S.H) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The emissivity for a black body is 1 0.75 0.5 1 0.75 0.5 ANSWER DOWNLOAD EXAMIANS APP
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