Heat Transfer Peclet number (Pe) is given by Pe = Re.Pr Pe = Nu.Re Pe = Re/Pr Pe = Pr/Re Pe = Re.Pr Pe = Nu.Re Pe = Re/Pr Pe = Pr/Re ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Coal Iron Tar Nitrogen Coal Iron Tar Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted When both the steam and the tube are clean An oily surface None of these Only in presence of air When both the steam and the tube are clean An oily surface None of these Only in presence of air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient May increase or decrease; depends on the feed Is not affected Decreases Increases May increase or decrease; depends on the feed Is not affected Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to Remove water resulting from partial condensation of steam Stop the supply of steam None of these Condense the steam flowing in the pipeline Remove water resulting from partial condensation of steam Stop the supply of steam None of these Condense the steam flowing in the pipeline ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is more economical Occupies smaller space Is easy to operate and maintain All of these Is more economical Occupies smaller space Is easy to operate and maintain All of these ANSWER DOWNLOAD EXAMIANS APP