Heat and Mass Transfer The heat of sun reaches to us according to Convection None of these Conduction Radiation Convection None of these Conduction Radiation 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 0.02 0.01 0.1 0.002 0.02 0.01 0.1 0.002 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 Forced convection Radiation Free convection Conduction Forced convection Radiation Free convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of surface convection resistance to the internal conduction resistance is known as Biot number Prandtl number Stanton number Grashoff number Biot number Prandtl number Stanton number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The total radiation from a black body per second per unit area is ________ fourth power of the absolute temperature. This statement is known as Stefan Boltzmann law. Equal to Directly proportional to Inversely proportional to None of these Equal to Directly proportional to Inversely proportional to None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the body to another is called conduction, when the particles of the body Affect the intervening medium Do not move actually Move actually Does not affect the intervening medium Affect the intervening medium Do not move actually Move actually Does not affect the intervening medium ANSWER DOWNLOAD EXAMIANS APP
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