Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Heat capacity Thermal conductivity Density Viscosity Heat capacity Thermal conductivity Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? mercury liquid metal dowtherm None of the listed here mercury liquid metal dowtherm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 48000 60000 6000 24000 48000 60000 6000 24000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Calburn analogy is applicable for the value of Prandtl number from 0.6 to 120 0.5 to 5 120 to 400 0.001 to 1 0.6 to 120 0.5 to 5 120 to 400 0.001 to 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Both A and B Increased capacity Increased steam economy Decreased steam consumption Both A and B Increased capacity Increased steam economy Decreased steam consumption ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means The size of the exchanger in which heat transfer rate is 1 kcal/hr A section of the exchanger in which change in temperature of one stream equals the average driving force in the section Both A and B None of these The size of the exchanger in which heat transfer rate is 1 kcal/hr A section of the exchanger in which change in temperature of one stream equals the average driving force in the section Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP