Heat and Mass Transfer The use of heat exchangers is made in Condensers and evaporators in refrigeration and air conditioning units All of these Condensers and boilers in steam plants Radiators in automobile Condensers and evaporators in refrigeration and air conditioning units All of these Condensers and boilers in steam plants Radiators in automobile ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of surface convection resistance to the internal conduction resistance is known as Grashoff number Prandtl number Stanton number Biot number Grashoff number Prandtl number Stanton number Biot number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The radiation emitted by a black body is known as All of these Total radiation Black radiation Full radiation All of these Total radiation Black radiation Full radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The amount of radiation mainly depends on Type of surface of body Temperature of body Nature of body All of these Type of surface of body Temperature of body Nature of body All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has maximum value of thermal conductivity? Brass Copper Steel Aluminium Brass Copper Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of air with rise in temperature May increase or decrease depending on temperature Increases Remain constant Decreases May increase or decrease depending on temperature Increases Remain constant Decreases ANSWER DOWNLOAD EXAMIANS APP
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