Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. None of these Agitated film Long tube Open pan None of these Agitated film Long tube Open pan ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Prandtl & Grashoff Both A & B Reynolds Grashoff Prandtl & Grashoff Both A & B Reynolds Grashoff 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. Vacuum Backward feed None of these High pressure Vacuum Backward feed None of these High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are Same Never different Different Linearly related Same Never different Different Linearly related ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining the same, the temperature of the exit liquid will be Equal to 45°C Initially decreases and remains constant thereafter More than 45°C Less than 45°C Equal to 45°C Initially decreases and remains constant thereafter More than 45°C Less than 45°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by None of these Fourier's law Newton's law of cooling Fick's law None of these Fourier's law Newton's law of cooling Fick's law ANSWER DOWNLOAD EXAMIANS APP
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