Heat and Mass Transfer Log mean temperature difference in case of counter flow compared to parallel flow will be Less Same Depends on other factors More Less Same Depends on other factors More 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 160 mm 25 mm 800 mm 40 mm 160 mm 25 mm 800 mm 40 mm ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles due to difference of density caused by temperature of the particle is known as Conduction Forced convection Free convection Radiation Conduction Forced convection Free convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer LMTD in case of counter flow heat exchanger as compared to parallel flow heat exchanger is Lower Depends on the area of heat exchanger Same Higher Lower Depends on the area of heat exchanger Same Higher ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer in liquid and gases takes place by Conduction and convection Radiation Convection Conduction Conduction and convection Radiation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of non-metallic amorphous solids with decrease in temperature Increases Remain constant May increase or decrease depending on temperature Decreases Increases Remain constant May increase or decrease depending on temperature Decreases ANSWER DOWNLOAD EXAMIANS APP
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