Process Equipment and Plant Design Liquid gradient over the tray results due to the Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large reflux ratio Large plate spacing Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large reflux ratio Large plate spacing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Increases very rapidly Increases linearly Decreases very rapidly Remains constant Increases very rapidly Increases linearly Decreases very rapidly Remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 1.1 t D = 3√t D = 1.6 √t D = 1.5 t D = 1.1 t D = 3√t D = 1.6 √t D = 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line) S₂/S₁ 1/S₁.S₂ S₁/S₂ S₁.S₂ S₂/S₁ 1/S₁.S₂ S₁/S₂ S₁.S₂ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Avoiding vortex formation Enhancing mixing rate Relieving excess pressure Creating turbulence Avoiding vortex formation Enhancing mixing rate Relieving excess pressure Creating turbulence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? 6.5 mm Equal to tube O.D 6.5 cms Equal to tube I.D 6.5 mm Equal to tube O.D 6.5 cms Equal to tube I.D ANSWER DOWNLOAD EXAMIANS APP
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