Heat Transfer Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface) 1/U₂ - 1/U₁ 1/U₁ - 1/U₂ U₁ - U₂ U₂ - U₁ 1/U₂ - 1/U₁ 1/U₁ - 1/U₂ U₁ - U₂ U₂ - U₁ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Series and parallel set of shell and tube Plate fine None of the listed here Double pipe Series and parallel set of shell and tube Plate fine None of the listed here Double pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, St = f/2? 2 > 1 1.5 1 2 > 1 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. transition laminar None of the listed here highly turbulent transition laminar None of the listed here highly turbulent ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the heat transfer depends on Re, Pr mainly Gr Re, Gr none of the listed here Re, Pr mainly Gr Re, Gr none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Lower tube side pressure drop Higher shell side heat transfer co-efficient Higher tube side heat transfer co-efficient Lower shell side pressure drop Lower tube side pressure drop Higher shell side heat transfer co-efficient Higher tube side heat transfer co-efficient Lower shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
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