Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Brinkman Condensation Grashoff Stantan Brinkman Condensation Grashoff Stantan ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Decrease slowly Remain unaffected Increase slowly Increase very rapidly Decrease slowly Remain unaffected Increase slowly Increase very rapidly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted On rough surfaces On polished surfaces None of these In the absence of agitation On rough surfaces On polished surfaces None of these In the absence of agitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefan-Boltzman law applies to __________ body None of the listed here grey black white None of the listed here grey black white ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? All of these Cube Plate Sphere All of these Cube Plate Sphere ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Prandtl Nusselt Reynolds Biot Prandtl Nusselt Reynolds Biot ANSWER DOWNLOAD EXAMIANS APP