Heat Transfer In a heat exchanger, floating head is provided to facilitate cleaning of the exchanger increase log mean temperature gradient relieve stresses caused by thermal expansion increase the heat transfer area facilitate cleaning of the exchanger increase log mean temperature gradient relieve stresses caused by thermal expansion increase the heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Tube side pressure drop and the heat transfer rate All of these Effective tube surface area for convective heat transfer Convective heat transfer co-efficient Tube side pressure drop and the heat transfer rate All of these Effective tube surface area for convective heat transfer Convective heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted On polished surfaces None of these On rough surfaces In the absence of agitation On polished surfaces None of these On rough surfaces In the absence of agitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of most liquids First increases upto a certain temperature and then becomes constant Increases Decreases Remains same First increases upto a certain temperature and then becomes constant Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of heat transfer co-efficient in SI unit is W/m2°K W/m°K J/m°K J/M2°K W/m2°K W/m°K J/m°K J/M2°K 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 Baffle spacing & shell diameter Viscosity, density & mass velocity of shell side fluid Tube diameter & pitch None of these Baffle spacing & shell diameter Viscosity, density & mass velocity of shell side fluid Tube diameter & pitch ANSWER DOWNLOAD EXAMIANS APP
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