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 Cork is a good insulator because it has Free electrons Atoms colliding frequency Low density Porous body Free electrons Atoms colliding frequency Low density Porous body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The automobile radiator is a heat exchanger of Cross flow type Parallel flow type Counter flow type Regenerator type Cross flow type Parallel flow type Counter flow type Regenerator type ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as Planck's law Stefan's law Kirchhoff's law Wien's law Planck's law Stefan's law Kirchhoff's law Wien's law ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of glass wool varies from sample to sample because of variation in Density All of these Porosity Composition Density All of these Porosity Composition ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The heat is transferred by conduction, convection and radiation in Boiler furnaces Melting of ice Condensation of steam in condenser None of these Boiler furnaces Melting of ice Condensation of steam in condenser None of these ANSWER DOWNLOAD EXAMIANS APP