71. Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter.
72. 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.
73. For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter.
74. Baffle width is normally taken as __________ times the tank diameter.
75. In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed __________ of the column diameter.
76. In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5 - 10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.
77. The equivalent diameter for pressure drop is __________ that for heat transfer.
78. Baffle spacing is generally __________ the I.D. of the shell.
79. In a shell and tube heat exchanger, tube side __________ of the mass velocity.
80. In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.
Read More Section(Process Equipment and Plant Design)
Each Section contains maximum 100 MCQs question on Process Equipment and Plant Design. To get more questions visit other sections.