Heat and Mass Transfer The rate of energy transferred by convection to that by conduction is called Nusselt number Biot number Stanton number Peclet number Nusselt number Biot number Stanton number Peclet number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of non-metallic amorphous solids with decrease in temperature Increases May increase or decrease depending on temperature Decreases Remain constant Increases May increase or decrease depending on temperature Decreases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The amount of radiation mainly depends on Temperature of body All of these Nature of body Type of surface of body Temperature of body All of these Nature of body Type of surface of body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat flows from one body to other when they have Different temperatures Different atomic structure Different specific heat Different heat contents Different temperatures Different atomic structure Different specific heat Different heat contents ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated with rubber (k = 0.15 W/mK). The cable is to be located in air (h = 6 W/m²). The critical thickness of insulation will be 25 mm 160 mm 40 mm 800 mm 25 mm 160 mm 40 mm 800 mm ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of 0.002 0.02 0.01 0.1 0.002 0.02 0.01 0.1 ANSWER DOWNLOAD EXAMIANS APP