Heat Transfer Graetz number is given by mCp/kL mCp/kμ kμ/mCp kL/mCp mCp/kL mCp/kμ kμ/mCp kL/mCp ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is None of these Zero Infinity Same as average heat transfer co-efficient for tube side None of these Zero Infinity Same as average heat transfer co-efficient for tube side 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 Pool None of these Nucleate Low pressure Pool None of these Nucleate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place directly at the heating surface, it is called nucleate boiling film boiling vapour binding all of the listed here nucleate boiling film boiling vapour binding all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A sphere of radius 'R₁' is enclosed in a sphere of radius 'R₂'. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is 1 (R₁/R₂)2 R₂/(R₁+R₂) 1 (R₁/R₂)2 R₂/(R₁+R₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Equal to More than Either more or less than (depending upon the fluid) Less than Equal to More than Either more or less than (depending upon the fluid) Less than ANSWER DOWNLOAD EXAMIANS APP