Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it All of these Occupies smaller space Is more economical Is easy to operate and maintain All of these Occupies smaller space Is more economical Is easy to operate and maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called thermal diffusivity heat flux thermal conductivity heat transfer co-efficient thermal diffusivity heat flux thermal conductivity heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? At high fluid velocity When fluid flows past a smooth surface None of these At low velocity At high fluid velocity When fluid flows past a smooth surface None of these At low velocity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 20.4 40.8 40.4 20.8 20.4 40.8 40.4 20.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. Three pass, fixed tube sheet U-tube Single pass, fixed tube sheet None of these Three pass, fixed tube sheet U-tube Single pass, fixed tube sheet None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat losses from satisfactorily insulated high pressure boilar may be about __________ percent. 18 1 7 26 18 1 7 26 ANSWER DOWNLOAD EXAMIANS APP