Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.8 20.8 20.4 40.4 40.8 20.8 20.4 40.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If heat transfer rate varies with the time, it is termed as None of these Forced convection Steady state conduction Monochromatic radiation None of these Forced convection Steady state conduction Monochromatic radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Increases exponentially Increases Remains unaffected Decreases Increases exponentially Increases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Wall or skin friction Form friction Turbulent flow Both A and B Wall or skin friction Form friction Turbulent flow Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for a spherical shell is (where, K = thermal conductivity of insulating material h0 = heat transfer coefficient at the outer surface) h0/K h0/2K 2K/h0 K/h0 h0/K h0/2K 2K/h0 K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mechanical recompression evaporation is used in the production of Alcohol Fruits jam Distilled water Salt Alcohol Fruits jam Distilled water Salt ANSWER DOWNLOAD EXAMIANS APP