Heat Transfer The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is Schmidt number Stanton number Nusselt number Sherwood number Schmidt number Stanton number Nusselt number Sherwood number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1000 Kg of liquid at 30°C in a well stirred vessel has to be heated to 120°C, using immersed coils carrying condensing steam at 150°C. The area of the steam coils is 1.2 m² and the overall heat transfer co-efficient to the liquid is 1500 W/m².°C. Assuming negligible heat loss to the surrounding and specific heat capacity of the liquid to be 4 kJ/kg.°C, the time taken for the liquid to reach desired temperature will be 15 min 51 min 22 min 44 min 15 min 51 min 22 min 44 min ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Thermal conductivity Viscosity Heat capacity Density Thermal conductivity Viscosity Heat capacity Density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Remains constant Decreases Increases Passes through a maxima Remains constant Decreases Increases Passes through a maxima ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Both B and C Is almost independent of pressure Is almost independent of temperature Increases rapidly with temperature rise Both B and C Is almost independent of pressure Is almost independent of temperature Increases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to increase log mean temperature gradient relieve stresses caused by thermal expansion facilitate cleaning of the exchanger increase the heat transfer area increase log mean temperature gradient relieve stresses caused by thermal expansion facilitate cleaning of the exchanger increase the heat transfer area ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS