Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from 44119 3.5-5.5 1.5-2.5 7.5-10.0 44119 3.5-5.5 1.5-2.5 7.5-10.0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In chemical process equipments, the conical bottom heads used, usually has an apex angle of 20° 80° 60° 40° 20° 80° 60° 40° 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 = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times. About 3 Considerably less than 9 About 9 Considerably more than 9 About 3 Considerably less than 9 About 9 Considerably more than 9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than 0.99 0.55 0.8 0.95 0.99 0.55 0.8 0.95 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 0.25 0.75 1.25 0.5 0.25 0.75 1.25 0.5 ANSWER DOWNLOAD EXAMIANS APP