Heat and Mass Transfer The heat transfer takes place according to Kirchhoff's law First law of thermodynamics Zeroth law of thermodynamics Second law of thermodynamics Kirchhoff's law First law of thermodynamics Zeroth law of thermodynamics Second law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has least value of conductivity? Glass Air Plastic Water Glass Air Plastic Water ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Depending on the radiating properties, a body will be black when (Where a = absorptivity, p = reflectivity, X = transmissivity.) P= 1, T = 0 and a = 0 P = 0, x = 1 and a = 0 X = 0, a + p = 0 P = 0, x = 0 and a = 1 P= 1, T = 0 and a = 0 P = 0, x = 1 and a = 0 X = 0, a + p = 0 P = 0, x = 0 and a = 1 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 Radiation Forced convection Free convection Conduction Radiation Forced convection Free convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Planck’s law holds good for polished bodies All of these all coloured bodies black bodies polished bodies All of these all coloured bodies black bodies ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Free convection flow depends on Density Gravitational force All of these Coefficient of viscosity Density Gravitational force All of these Coefficient of viscosity ANSWER DOWNLOAD EXAMIANS APP
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