Heat Transfer Rate of heat transfer by vaporisation from pools of water is affected by the Surface tension of water All of these Nature of heating surface and distribution of bubbles Viscosity of water Surface tension of water All of these Nature of heating surface and distribution of bubbles Viscosity of water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above 0°K 100°C 0°C none of the listed here 0°K 100°C 0°C none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 0 and 0.5 1 and ? 0 and 1 1 and 0 0 and 0.5 1 and ? 0 and 1 1 and 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.) d2 d √d d1.5 d2 d √d d1.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Solid angle subtended by the finite surface at the radiating element is proportional to the square of the distance between surfaces expressed in terms of radians called the angle of vision called the view factor. proportional to the square of the distance between surfaces expressed in terms of radians called the angle of vision called the view factor. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the None of these Temperature Surface Medium None of these Temperature Surface Medium ANSWER DOWNLOAD EXAMIANS APP