Process Equipment and Plant Design A stuffing box is used for Absorbing the contraction/expansion of pipeline due to temperature changes Prevention of fluid leakage around moving parts Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow Absorbing the contraction/expansion of pipeline due to temperature changes Prevention of fluid leakage around moving parts Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi) Η = 17 - 61.1 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ Η = 17 - 61.1 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is 0.75 0.5 1.25 0.25 0.75 0.5 1.25 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following types of reactors is the safest from operation point of view? A liquid phase catalytic reactor Pot type reactor A liquid phase reactor A vapor phase reactor A liquid phase catalytic reactor Pot type reactor A liquid phase reactor A vapor phase reactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In perforated plate towers, the Total hole area may be around 6 to 15% of tower cross-sectional area Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" All of these Total hole area may be around 6 to 15% of tower cross-sectional area Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" All of these 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 S₁/S₂ 1/S₁.S₂ S₁.S₂ S₂/S₁ S₁/S₂ 1/S₁.S₂ S₁.S₂ ANSWER DOWNLOAD EXAMIANS APP
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