Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line) 1/S₁.S₂ S₁.S₂ S₁/S₂ S₂/S₁ 1/S₁.S₂ S₁.S₂ S₁/S₂ S₂/S₁ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of the seive tray column is determined by the Hole diameter of the seive tray Upper limit of the vapour velocity Height of the plate spacing Lower limit of vapour velocity Hole diameter of the seive tray Upper limit of the vapour velocity Height of the plate spacing Lower limit of vapour velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Around 7 Much less (say 2% than that for fully open globe valves) Much more than that for fully open globe valves Both B and C Around 7 Much less (say 2% than that for fully open globe valves) Much more than that for fully open globe valves Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Both B & C Does not affect the capacity Increases capacity Increases economy Both B & C Does not affect the capacity Increases capacity Increases economy ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of None of these 20.2 2 20.8 None of these 20.2 2 20.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always More than arithmetic mean value Less than arithmetic mean value More than geometric mean value Both B & C More than arithmetic mean value Less than arithmetic mean value More than geometric mean value Both B & C ANSWER DOWNLOAD EXAMIANS APP