Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Nature of the body None of these Wavelength of radiation Temperature of the body Nature of the body None of these Wavelength of radiation Temperature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing None of these Should be less than one fifth the diameter of the shell Should be less than the inside diameter of the shell Is not the same as baffle pitch None of these Should be less than one fifth the diameter of the shell Should be less than the inside diameter of the shell Is not the same as baffle pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the Flexibility possible in the baffle arrangement Less corrosion problems High heat transfer co-efficient Low pressure drop Flexibility possible in the baffle arrangement Less corrosion problems High heat transfer co-efficient Low pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation accounts for Investment economy Lower operating costs None of these Steam economy Investment economy Lower operating costs None of these Steam economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because Total heat transfer area of all the effects is -less than that in a single effect evaporator system Total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect Heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect system Boiling point elevation in a single effect system is much higher than that in any effect in a multieffect system Total heat transfer area of all the effects is -less than that in a single effect evaporator system Total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect Heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect system Boiling point elevation in a single effect system is much higher than that in any effect in a multieffect system ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 1 to 103 0.06 to 120 l to 50 0.6 to 120 1 to 103 0.06 to 120 l to 50 0.6 to 120 ANSWER DOWNLOAD EXAMIANS APP
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