Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Diagonal square pitch None of these Square pitch Triangular pitch Diagonal square pitch None of these Square pitch Triangular pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 0.025 5.6 0.0035 3.5 0.025 5.6 0.0035 3.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because There is no risk of contamination There is no mist formation Cost of equipment is lower Heat transfer co-efficient are high There is no risk of contamination There is no mist formation Cost of equipment is lower Heat transfer co-efficient are high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. None of these Saturated nucleate Film Sub-cooled None of these Saturated nucleate Film Sub-cooled ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 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 1 to 103 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A composite flat wall of a furnace is made of two materials 'A' and 'B'. The thermal conductivity of 'A' is twice of that of material 'B', while the thickness of layer of 'A' is half that of B. If the temperature at the two sides of the wall are 400 and 1200°K, then the temperature drop (in °K) across the layer of material 'A' is 150 133 160 125 150 133 160 125 ANSWER DOWNLOAD EXAMIANS APP
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