Process Equipment and Plant Design For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness? Hemispherical Flat plate Ellipsoidal (2 : 1) Conical Hemispherical Flat plate Ellipsoidal (2 : 1) Conical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 5 to 10 2.5 to 5 1.5 to 2 10 to 15 5 to 10 2.5 to 5 1.5 to 2 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling. CO₂ SO₂ None of these NH₃ CO₂ SO₂ None of these NH₃ 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 = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 Η = 1.66 - 0.25 log μ Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 Η = 1.66 - 0.25 log μ Η = 17 - 61.1 log μ 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 Creating turbulence Enhancing mixing rate Relieving excess pressure Avoiding vortex formation Creating turbulence Enhancing mixing rate Relieving excess pressure ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids. Sieve plate Packed None of these Bubble cap plate Sieve plate Packed None of these Bubble cap plate ANSWER DOWNLOAD EXAMIANS APP
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