Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Effective tube surface area for convective heat transfer Convective heat transfer co-efficient All of these Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer Convective heat transfer co-efficient All of these Tube side pressure drop and the heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. Sub-cooled Film Saturated nucleate None of these Sub-cooled Film Saturated nucleate None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid for fluids in laminar flow when Grashhoff number is very important none of the listed here for fluids in tubulent flow for fluids in laminar flow when Grashhoff number is very important none of the listed here for fluids in tubulent flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means None of these The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section None of these The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube diameter Tube layout No. of baffles Tube pitch Tube diameter Tube layout No. of baffles Tube pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the emissivity of a black body? 1 0.5 0.9 1 0.5 0.9 ANSWER DOWNLOAD EXAMIANS APP