Heat Transfer The Grashoff number is defined as the ratio of the buoyancy to inertial forces buoyancy to viscous forces buoyancy to surface tension forces inertial to viscous forces. buoyancy to inertial forces buoyancy to viscous forces buoyancy to surface tension forces inertial to viscous forces. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A BTU/hr.ft.2 °F is equal to 1 kcal/hr. m²°C None of these 1 kcal/hr. m².°K 4.88 kcal/hr. m.2°C 1 kcal/hr. m²°C None of these 1 kcal/hr. m².°K 4.88 kcal/hr. m.2°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 0 and 1 1 and ? 1 and 0 0 and 0.5 0 and 1 1 and ? 1 and 0 0 and 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In which mode of heat transfer, the Biot number is important? Transient heat conduction Natural convection Forced convection Radiation Transient heat conduction Natural convection Forced convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The most conducive surface for dropwise condensation to occur is the __________ surface. Coated Glazed & polished Smooth Oily Coated Glazed & polished Smooth Oily ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Neither A and B Non-isothermal Both A and B Isothermal Neither A and B Non-isothermal Both A and B Isothermal ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS