Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. Less than 2.5 times 1.25-1.50 times One-fourth of Less than 2.5 times 1.25-1.50 times One-fourth of ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Saddle supports are used for supporting __________ vessels. Horizontal cylinderical Thick walled vertical Tall vertical Thick spherical Horizontal cylinderical Thick walled vertical Tall vertical Thick spherical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Half Twice Equal to Eight times Half Twice Equal to Eight times 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 Same Less About 0.33 times About 3 times Same Less About 0.33 times About 3 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 3.9 Q0.45 . ρ0.23 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 17.5 2.5 12.5 5 17.5 2.5 12.5 5 ANSWER DOWNLOAD EXAMIANS APP