Heat and Mass Transfer The amount of radiation mainly depends upon the Nature of the body Temperature of the body Type of surface of the body All of these Nature of the body Temperature of the body Type of surface of the body All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal conductivity in M.K.S. units is K cal/hr m² °C K cal m/hr m² °C K cal/kg m² °C K calm/hr °C K cal/hr m² °C K cal m/hr m² °C K cal/kg m² °C K calm/hr °C ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A non-dimensional number generally associated with natural convection heat transfer is Weber number Nusselt number Grashoff number Prandtl number Weber number Nusselt number Grashoff number Prandtl number 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 caused by some mechanical means, is known as Free convection Forced convection Radiation Conduction Free convection Forced convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Wien’s law states that the wave length corresponding to ________ is proportional to the absolute temperature. Both (A) and (B) Minimum energy None of these Maximum energy Both (A) and (B) Minimum energy None of these Maximum energy ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of non-metallic amorphous solids with decrease in temperature Decreases Remain constant May increase or decrease depending on temperature Increases Decreases Remain constant May increase or decrease depending on temperature Increases ANSWER DOWNLOAD EXAMIANS APP
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