Heat Transfer Low thermal conductivity of heat insulating materials is due to its Dense structure High specific heat High proportion of air space None of these Dense structure High specific heat High proportion of air space None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation none of the listed here emitter Both emitter & absorber absorber none of the listed here emitter Both emitter & absorber absorber ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. No effect on Increased Decreased None of these No effect on Increased Decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low Prandtl number thermal conductivity viscosity Grashoff number Prandtl number thermal conductivity viscosity Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat waves Travel in straight line Both B and C Can be reflected by a mirror Can not pass through vacuum Travel in straight line Both B and C Can be reflected by a mirror Can not pass through vacuum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefen's block body radiation law can also be derived from __________ law. None of these Fourier's Planck's Kirchoffs None of these Fourier's Planck's Kirchoffs ANSWER DOWNLOAD EXAMIANS APP
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