Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.5 > 0.6 < 0.1 0.5 < 0.5 > 0.6 < 0.1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 1 0.78 0.95 1 0.78 0.95 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution In independent of pressure Decreases rapidly with temperature rise Both B and C Increases rapidly with temperature rise In independent of pressure Decreases rapidly with temperature rise Both B and C Increases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for the concentration of foamy & frothy liquors? Open pan evaporator Long tube vertical evaporator None of these Agitated film evaporator Open pan evaporator Long tube vertical evaporator None of these Agitated film evaporator 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. Either more or less than (depending upon the fluid) Less than More than Equal to Either more or less than (depending upon the fluid) Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In which mode of heat transfer, the Biot number is important? Natural convection Transient heat conduction Radiation Forced convection Natural convection Transient heat conduction Radiation Forced convection ANSWER DOWNLOAD EXAMIANS APP