Heat Transfer Low thermal conductivity of heat insulating materials is due to its High specific heat None of these Dense structure High proportion of air space High specific heat None of these Dense structure High proportion of air space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Prandtl Reynolds Nusselt Biot Prandtl Reynolds Nusselt Biot ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.) d1.5 d2 √d d d1.5 d2 √d d ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to volume Perimeter to surface area Surface area to perimeter Volume to surface area Surface area to volume Perimeter to surface area Surface area to perimeter Volume to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate described by Fourier's law will decrease, if the __________ increases. Thermal conductivity Heat transfer area Thickness Temperature difference Thermal conductivity Heat transfer area Thickness Temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law. Wien's Stefan's Kirchoffs Dalton's Wien's Stefan's Kirchoffs Dalton's ANSWER DOWNLOAD EXAMIANS APP