Process Equipment and Plant Design For identical situation, condensing film coefficient in case of a horizontal condenser is almost __________ the value expected in case of vertical condenser. Twice Half Five times Thrice Twice Half Five times Thrice ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is About 3 times Less Same About 0.33 times About 3 times Less Same About 0.33 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 1.5 to 3 1.6 to 2 2.5 1.3 to 2 1.5 to 3 1.6 to 2 2.5 1.3 to 2 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 = 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 Η = 17 - 61.1 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design High pressure fluid in a shell and tube heat exchanger should preferably be routed through the Shell side, if the flow is counter-current and tube side if the flow is co-current Shell side for large overall heat transfer co-efficient Shell side for smaller total pressure drop Tubes to avoid the expansion of high pressure shell construction Shell side, if the flow is counter-current and tube side if the flow is co-current Shell side for large overall heat transfer co-efficient Shell side for smaller total pressure drop Tubes to avoid the expansion of high pressure shell construction ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 35-40 15-20 43961 30-35 35-40 15-20 43961 30-35 ANSWER DOWNLOAD EXAMIANS APP
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