Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Turbulent Co-current Counter-current Laminar Turbulent Co-current Counter-current Laminar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of evaporators, liquid entrainment results primarily due to high heat transfer rate foaming of the solution high vacuum in the evaporator high heat transfer rate high heat transfer rate foaming of the solution high vacuum in the evaporator high heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. Twice Four times Thrice Once Twice Four times Thrice Once ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Increases Is not affected Decreases May increase or decrease; depends on the feed Increases Is not affected Decreases May increase or decrease; depends on the feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is 1 > 1 < 1 > 5 1 > 1 < 1 > 5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. Backward feed Vacuum High pressure None of these Backward feed Vacuum High pressure None of these ANSWER DOWNLOAD EXAMIANS APP
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