Heat Transfer In which mode of heat transfer, the Biot number is important? Radiation Transient heat conduction Forced convection Natural convection Radiation Transient heat conduction Forced convection Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Equal to More than Less than Either more or less than (depending upon the fluid) Equal to More than Less than Either more or less than (depending upon the fluid) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by conduction convection radiation none of the listed here conduction convection radiation none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = k/2h r = k/h r = h/k r = 2k/h r = k/2h r = k/h r = h/k r = 2k/h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? None of these At low velocity 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 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Fourier's law Newton's law of cooling Fick's law None of these Fourier's law Newton's law of cooling Fick's law None of these ANSWER DOWNLOAD EXAMIANS APP