Heat Transfer For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are Linearly related Different Never different Same Linearly related Different Never different Same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? l to 50 1 to 103 0.06 to 120 0.6 to 120 l to 50 1 to 103 0.06 to 120 0.6 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when Requirement of heat transfer area is low Overall heat transfer co-efficient is very high A corrosive liquid is to be heated High viscosity liquid is to be cooled Requirement of heat transfer area is low Overall heat transfer co-efficient is very high A corrosive liquid is to be heated High viscosity liquid is to be cooled ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its Dense structure None of these High proportion of air space High specific heat Dense structure None of these High proportion of air space High specific heat ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, None of these Provide very large heat transfer co-efficient Results in making part of the heating surface inactive Results in abruptly increased velocity None of these Provide very large heat transfer co-efficient Results in making part of the heating surface inactive Results in abruptly increased velocity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which has the lowest Prandtl number? Water Aqueous solution Liquid metal Lube oil Water Aqueous solution Liquid metal Lube oil ANSWER DOWNLOAD EXAMIANS APP
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