Heat Transfer Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid for fluids in tubulent flow none of the listed here when Grashhoff number is very important for fluids in laminar flow for fluids in tubulent flow none of the listed here when Grashhoff number is very important for fluids in laminar flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall None of these Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Reynolds Nusselt Biot Prandtl Reynolds Nusselt Biot Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Peclet number (Pe) is given by Pe = Pr/Re Pe = Re.Pr Pe = Re/Pr Pe = Nu.Re Pe = Pr/Re Pe = Re.Pr Pe = Re/Pr Pe = Nu.Re ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of heat transfer co-efficient in SI unit is J/m°K W/m2°K J/M2°K W/m°K J/m°K W/m2°K J/M2°K W/m°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD for counterflow and prallel flow heat exchanger will be the same, when the Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) None of these Outlent temperature of both the hot and cold fluid are same Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) None of these Outlent temperature of both the hot and cold fluid are same Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid ANSWER DOWNLOAD EXAMIANS APP