Heat Transfer Solid angle subtended by the finite surface at the radiating element is called the view factor. proportional to the square of the distance between surfaces called the angle of vision expressed in terms of radians called the view factor. proportional to the square of the distance between surfaces called the angle of vision expressed in terms of radians ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above 100°C 0°K 0°C none of the listed here 100°C 0°K 0°C none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Unity Zero Different for all wavelengths Same for all wavelengths Unity Zero Different for all wavelengths Same for all wavelengths ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the correct equation. Nu = (Pr)(St) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (Gz) Nu = (Re)(Pr) Nu = (Pr)(St) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (Gz) Nu = (Re)(Pr) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Grashoff number is defined as the ratio of the buoyancy to inertial forces buoyancy to viscous forces buoyancy to surface tension forces inertial to viscous forces. buoyancy to inertial forces buoyancy to viscous forces buoyancy to surface tension forces inertial to viscous forces. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Provide support for tubes Decrease the pressure drop Avoid buckling of tubes Facilitate its lengthening, if needed Provide support for tubes Decrease the pressure drop Avoid buckling of tubes Facilitate its lengthening, if needed ANSWER DOWNLOAD EXAMIANS APP