Heat Transfer In a heat exchanger, floating head is provided to increase log mean temperature gradient facilitate cleaning of the exchanger increase the heat transfer area relieve stresses caused by thermal expansion increase log mean temperature gradient facilitate cleaning of the exchanger increase the heat transfer area relieve stresses caused by thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Shell side pressure drop in a shell and tube heat exchanger does not depend upon the None of these Tube diameter & pitch Viscosity, density & mass velocity of shell side fluid Baffle spacing & shell diameter None of these Tube diameter & pitch Viscosity, density & mass velocity of shell side fluid Baffle spacing & shell diameter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling. film none of the listed here pool transition film none of the listed here pool transition ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used when heat transfer area required is very low because it occupies less floor area when heat transfer area required is very high because it is less costly when heat transfer area required is very low because it occupies less floor area when heat transfer area required is very high because it is less costly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing Is not the same as baffle pitch None of these Should be less than one fifth the diameter of the shell Should be less than the inside diameter of the shell Is not the same as baffle pitch None of these Should be less than one fifth the diameter of the shell Should be less than the inside diameter of the shell ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Transmits Reflects Absorbs None of these Transmits Reflects Absorbs None of these ANSWER DOWNLOAD EXAMIANS APP
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