Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l010 3 x l012 3 x l05 3 x l08 3 x l010 3 x l012 3 x l05 3 x l08 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the heat transfer depends on none of the listed here mainly Gr Re, Gr Re, Pr none of the listed here mainly Gr Re, Gr Re, Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Decreases linearly Remains same Increases Decreases Decreases linearly Remains same Increases Decreases 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 Heat exchanger tubes are never made of Copper Plain carbon steel Stainless steel Lead Copper Plain carbon steel Stainless steel Lead ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Same for all wavelengths Unity Zero Different for all wavelengths Same for all wavelengths Unity Zero Different for all wavelengths ANSWER DOWNLOAD EXAMIANS APP
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