Heat Transfer Graetz number is given by kμ/mCp mCp/kL mCp/kμ kL/mCp kμ/mCp mCp/kL mCp/kμ kL/mCp ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for A black body Polished bodies only All bodies Black painted bodies only A black body Polished bodies only All bodies Black painted bodies only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Low pressure None of these Nucleate Pool Low pressure None of these Nucleate Pool ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. Vacuum None of these High pressure Backward feed Vacuum None of these High pressure Backward feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to That across the entire pipe Heat flux None of these Temperature difference That across the entire pipe Heat flux None of these Temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Prandtl None of these Colburn Reynolds Prandtl None of these Colburn Reynolds ANSWER DOWNLOAD EXAMIANS APP