Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Logarithmic mean area Arithmetic mean area Geometric mean area None of the listed here Logarithmic mean area Arithmetic mean area Geometric mean area None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means 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 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 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns. 100 to 1000 1 to 100 10 to 100 0.5 to 50 100 to 1000 1 to 100 10 to 100 0.5 to 50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? none of the listed here Reynolds number Grashhoff number Prandtl number none of the listed here Reynolds number Grashhoff number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Temperature gradient Heat transfer co-efficient Mechanical strength of the equipment Heat transfer area Temperature gradient Heat transfer co-efficient Mechanical strength of the equipment Heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Facilitate easy cleaning of tubes Remove non-condensable gases None of these Purge the condenser Facilitate easy cleaning of tubes Remove non-condensable gases None of these Purge the condenser ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS