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 Brilliant white polished body Grey body Black body Red hot body Brilliant white polished body Grey body Black body Red hot body 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 Move actually Does not affect the intervening medium Affect the intervening medium Do not move actually Move actually Does not affect the intervening medium Affect the intervening medium Do not move actually 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 Wien's law Stefan's law Planck's law Kirchhoff's law Wien's law Stefan's law Planck's law Kirchhoff's law ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as Emissivity Transmissivity Reflectivity Intensity of radiation Emissivity Transmissivity Reflectivity Intensity of radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The emissive power of a body depends upon its Wave length Physical nature Temperature All of these Wave length Physical nature Temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Joule sec is the unit of Planck's constant Kinematic viscosity Universal gas constant Thermal conductivity Planck's constant Kinematic viscosity Universal gas constant Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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