Hamad Process Equipment and Plant Design 19/05/2021 A. 0.15-030 B. 0.5-0.65 C. 0.75-0.85 D. 0.60-0.90 Related Mcqs: In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by ______________ times the hole diameter?A. Two B. Five C. Ten D. Twenty... In a _____________ riveted joint, the number of rivets decreases from the innermost row to the outermost row?A. Chain B. Diamond C. Zig-zag D. None of these... Apex angle of conical heads used in the bottom heads of chemical process equipments is usually__________________?A. 30° B. 45° C. 60° D. 75°... The minimum tray spacing in distillation column of diameter less than 3 ft is normally _____________ inches?A. 6 B. 18 C. 24 D. 34... Back-trapping in a distillation column results due to_________________?A. Low gas velocity B. High gas velocity C. Excessive liquid gradient over the tray D. Low reflux ratio...
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