Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by Enhancing the fluid pumping rate Increasing the tube length None of these Keeping the heat transfer surface clean Enhancing the fluid pumping rate Increasing the tube length None of these Keeping the heat transfer surface clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr.m Kcal/hr. °C Kcal/hr.m.°C Kcal/hr. m² °C Kcal/hr.m Kcal/hr. °C Kcal/hr.m.°C Kcal/hr. m² °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat transfer rates does not depend upon the distance between the heat source and the object receiving the heat type of absorbing surface surface area and temperature of the heat source none of the listed here distance between the heat source and the object receiving the heat type of absorbing surface surface area and temperature of the heat source none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution In independent of pressure Decreases rapidly with temperature rise Both B and C Increases rapidly with temperature rise In independent of pressure Decreases rapidly with temperature rise Both B and C Increases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. None of these Nucleate Low pressure Pool None of these Nucleate Low pressure Pool ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used because it is less costly because it occupies less floor area when heat transfer area required is very high when heat transfer area required is very low because it is less costly because it occupies less floor area when heat transfer area required is very high when heat transfer area required is very low ANSWER DOWNLOAD EXAMIANS APP