Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Twice Half Eight times Equal to Twice Half Eight times Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Circumferential Neither A nor B Both A & B Radial Circumferential Neither A nor B Both A & B Radial ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Filtration rate is affected by the Pressure drop across the cake & filter medium Cake & filter medium resistance All of these Area of filtering surface & the viscosity of filtrate Pressure drop across the cake & filter medium Cake & filter medium resistance All of these Area of filtering surface & the viscosity of filtrate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The retention time of material in a rotary dryer depends upon its Flights arrangement Slope & length All of these Rpm Flights arrangement Slope & length All of these Rpm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Disk type baffle Flat plate extending across the wall Segmental baffle Helical type baffle Disk type baffle Flat plate extending across the wall Segmental baffle Helical type baffle 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 = 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 ANSWER DOWNLOAD EXAMIANS APP