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? Ellipsoidal (2 : 1) Conical Hemispherical Flat plate Ellipsoidal (2 : 1) Conical Hemispherical Flat plate 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 = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The value of fouling factor depends upon the All of these Suspended solids in the fluid Characteristic of process fluid Velocity of process fluid containing suspended solids All of these Suspended solids in the fluid Characteristic of process fluid Velocity of process fluid containing suspended solids ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to ∞ 1 20.8 2 ∞ 1 20.8 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Enhancing mixing rate Creating turbulence Avoiding vortex formation Relieving excess pressure Enhancing mixing rate Creating turbulence Avoiding vortex formation Relieving excess pressure ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise. 1500 600 1000 300 1500 600 1000 300 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS