In a cylindrical vessel subjected to internal pressure, the longitudinal stress ζL and the circumferential stress, ζn are related by___________________?
A. ζh = 2 ζL
B. ζh = ζL
C. ζh = ζL/2
D. No relation exists
A. ζh = 2 ζL
B. ζh = ζL
C. ζh = ζL/2
D. No relation exists
A. 0.2 D
B. 0.5 D
C. 0.66 D
D. 0.80 D
A. Downcomer liquid seal
B. Static submergence
C. Skirt clearance
D. None of these
A. Decreases very rapidly
B. Increases very rapidly
C. Remains constant
D. Increases linearly
A. 0.1 to 0.25
B. 0.3 to 0.5
C. 0.5 to 0.6
D. 0.65 to 0.80
A. A finite stage contactor
B. Used only for distillation, not for absorption
C. A differential stage contactor
D. A continuous contactor
Bubble cap plate column is___________________? Read More »
Process Equipment and Plant Design A. Called tube pitch
B. Called tube clearance
C. More in case of triangular pitch as compared to square pitch of tube layout
D. None of these
Shortest distance between two tubes is___________________? Read More »
Process Equipment and Plant Design A. Head diameter
B. Shank diameter
C. Overall length
D. None of these
Rivets are generally specified by the____________________? Read More »
Process Equipment and Plant Design A. Increase by 1.8
B. Decrease by 22
C. Increase by 21.6
D. None of these
A. 1 to 1.5
B. 2.5 to 3.5
C. 4 to 5
D. 6 to 8