Heat and Mass Transfer Thermal conductivity of glass wool varies from sample to sample because of variation in All of these Porosity Density Composition All of these Porosity Density Composition ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the body to another by the actual motion of the heated particles, is called Radiation Convection Conduction None of these Radiation Convection Conduction None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of surface convection resistance to the internal conduction resistance is known as Biot number Stanton number Prandtl number Grashoff number Biot number Stanton number Prandtl number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has least value of conductivity? Water Glass Plastic Air Water Glass Plastic Air ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The amount of radiation mainly depends on All of these Nature of body Temperature of body Type of surface of body All of these Nature of body Temperature of body Type of surface of body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Cork is a good insulator because it has Porous body Free electrons Low density Atoms colliding frequency Porous body Free electrons Low density Atoms colliding frequency ANSWER DOWNLOAD EXAMIANS APP
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