Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. High specific heat Low viscosity Low dirt factor Low corrosiveness High specific heat Low viscosity Low dirt factor Low corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness. 1 to 5 10 to 20 40 to 50 30 to 40 1 to 5 10 to 20 40 to 50 30 to 40 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing. 20-40 100-150 43835 1000-1500 20-40 100-150 43835 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Excessive liquid gradient on a tray may result in the Maldistribution of gas All of these Gas blowing beneath cap skit Back trapping Maldistribution of gas All of these Gas blowing beneath cap skit Back trapping 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 Spherical shaped pressure vessel is considered to be the most ideal, because it can Be supported very easily Be fabricated very easily Withstand higher pressure for a given metallic shell thickness Be designed without wind load considerations Be supported very easily Be fabricated very easily Withstand higher pressure for a given metallic shell thickness Be designed without wind load considerations ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS