Heat Transfer Log mean temperature difference (LMTD) cannot be used, if heat transfer co-efficient over the entire heat exchanger is not constant the heat capacity is not constant and there is a phase change. none of the listed here there exists an unsteady state heat transfer co-efficient over the entire heat exchanger is not constant the heat capacity is not constant and there is a phase change. none of the listed here there exists an unsteady state ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted None of these When both the steam and the tube are clean An oily surface Only in presence of air None of these When both the steam and the tube are clean An oily surface Only in presence of air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger? Pressure Corrosiveness & fouling characteristics Density Viscosity Pressure Corrosiveness & fouling characteristics Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the Heating volume Heat transfer area Nusselt number None of these Heating volume Heat transfer area Nusselt number None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to Stop the supply of steam Condense the steam flowing in the pipeline Remove water resulting from partial condensation of steam None of these Stop the supply of steam Condense the steam flowing in the pipeline Remove water resulting from partial condensation of steam None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Facilitate its lengthening, if needed Provide support for tubes Avoid buckling of tubes Decrease the pressure drop Facilitate its lengthening, if needed Provide support for tubes Avoid buckling of tubes Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS