Heat Transfer In a backward feed multiple effect evaporator Feed flows from low pressure to high pressure None of these Feed is introduced in the first effect No pumps are required between successive effects Feed flows from low pressure to high pressure None of these Feed is introduced in the first effect No pumps are required between successive effects ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Lower maintenance cost Less heating surface None of these More space Lower maintenance cost Less heating surface None of these More space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted Only in presence of air When both the steam and the tube are clean An oily surface None of these Only in presence of air When both the steam and the tube are clean An oily surface None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used when heat transfer area required is very high because it is less costly because it occupies less floor area when heat transfer area required is very low when heat transfer area required is very high because it is less costly because it occupies less floor area when heat transfer area required is very low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the emissivity of a black body? 0.5 0.9 1 0.5 0.9 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Non-isothermal Both A and B Isothermal Neither A and B Non-isothermal Both A and B Isothermal Neither A and B ANSWER DOWNLOAD EXAMIANS APP
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