Process Equipment and Plant Design A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is 20 20 10 10 20 20 10 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wind load consideration in the design of a support can be neglected, when the vessel is Short (< 2 m) and housed indoor Tall but empty None of these Tall (say 30 metres), but is full of liquid Short (< 2 m) and housed indoor Tall but empty None of these Tall (say 30 metres), but is full of liquid 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 ∞ 2 20.8 1 ∞ 2 20.8 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Pressure drop is proportional to the square Both A & B Neither A nor B Heat transfer co-efficient is proportional to 0.8th power Pressure drop is proportional to the square Both A & B Neither A nor B Heat transfer co-efficient is proportional to 0.8th power ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called Skirt clearance None of these Downcomer liquid seal Static submergence Skirt clearance None of these Downcomer liquid seal Static submergence 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