Process Equipment and Plant Design The retention time of material in a rotary dryer depends upon its Rpm All of these Slope & length Flights arrangement Rpm All of these Slope & length Flights arrangement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In distillation columns, bubble caps are held in place over trays by Both B and C Rivets A hold down bar Bolts Both B and C Rivets A hold down bar Bolts 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 = 1.66 - 0.25 log μ Η = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is pd/4t pd/t pd/2t pd/8t pd/4t pd/t pd/2t pd/8t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the slope of the feed line, if the feed to a distillation column is a saturated liquid? ∞ > 1 < 1 ∞ > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate. 8 2 1/2 4 8 2 1/2 4 ANSWER DOWNLOAD EXAMIANS APP
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