- (A) Hydrostatic head is required for refluxing the condensate
- (B) Only the function of condensation is to be carried out
- (C) Sub-cooling of condensate is desired
- (D) Both the functions of condensation & sub cooling are carried out in a single unit
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- (A) pd/2t
- (B) pd/4t
- (C) pd/t
- (D) pd/3t
- (A) Centre to centre distance between two consecutives rivets in a row is called the pitch
- (B) A riveted joint made in overlapping plates is called butt joint
- (C) Hole size drilled in riveted plates is less than the actual size of the rivet
- (D) None of these
- (A) D2
- (B) D5
- (C) D
- (D) D9
- (A) 0.01 – 0.5
- (B) 0.07 – 0.12
- (C) 0.5 – 1.0
- (D) 1 – 3
- (A) Radial
- (B) Circumferential tensile
- (C) Compressive
- (D) Longitudinal
- (A) 0.5″ -1.25″
- (B) 2″-3.5″
- (C) 5″
- (D) Half the tray spacing
- (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
