Heat and Mass Transfer Heat transfer by radiation mainly depends upon Its temperature All of these Nature of the body Kind and extent of its surface Its temperature All of these Nature of the body Kind and extent of its surface ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In a shell and tube heat exchanger, baffles are provided on the shell side to Provide support for tubes All of these Improve heat transfer Prevent stagnation of shell side fluid Provide support for tubes All of these Improve heat transfer Prevent stagnation of shell side fluid ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Pick up the wrong case. Heat flowing from one side to other depends directly on Time Temperature difference Thickness Face area Time Temperature difference Thickness Face area ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Kirchhoff's law states that The total radiation from a black body per second per unit area is directly proportional to the fourth power of the absolute temperature The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body The wave length corresponding to the maximum energy is proportional to the absolute temperature None of these The total radiation from a black body per second per unit area is directly proportional to the fourth power of the absolute temperature The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body The wave length corresponding to the maximum energy is proportional to the absolute temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In a heat exchanger with one fluid evaporating or condensing, the surface area required is least in Parallel flow Cross flow Counter flow All of these Parallel flow Cross flow Counter flow All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Log mean temperature difference in case of counter flow compared to parallel flow will be More Same Less Depends on other factors More Same Less Depends on other factors ANSWER DOWNLOAD EXAMIANS APP
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