Heat and Mass Transfer Joule sec is the unit of Kinematic viscosity Planck's constant Universal gas constant Thermal conductivity Kinematic viscosity Planck's constant Universal gas constant Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Absorptivity of a body will be equal to its emissivity At one particular temperature At all temperatures When system is under thermal equilibrium At critical temperature At one particular temperature At all temperatures When system is under thermal equilibrium At critical temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit Thickness Time Temperature Area Thickness Time Temperature Area ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of heat flow through a body is Q = [kA (T₁ - T₂)]/x. The term x/kA is known as Thermal coefficient Thermal conductivity Thermal resistance None of these Thermal coefficient Thermal conductivity Thermal resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Kirchoff's law, the ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a Grey body Red hot body Brilliant white polished body Black body Grey body Red hot body Brilliant white polished body Black body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The value of the wavelength for maximum emissive power is given by Stefan's law Planck's law Wien’s law Fourier's law Stefan's law Planck's law Wien’s law Fourier's law ANSWER DOWNLOAD EXAMIANS APP
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