- (A) To increase the residence time of shell side fluid
- (B) To provide support to the tube bundle
- (C) To reduce the induced vibration in the tubes
- (D) To increase the tube side heat transfer co-efficient by inducing turbulence
Chemical Engineering Mcqs
- (A) 0.1
- (B) 0.8
- (C) 0.25
- (D) 0.5
- (A) pD/2T
- (B) pD/4T
- (C) pD/3T
- (D) pD/6T
- (A) Increases
- (B) Decreases
- (C) Remains same
- (D) None of these
- (A) 1 to3
- (B) 4 to 8
- (C) 3 to 12.5
- (D) 12.5 to 18.5
- (A) Generally, a skirt clearance of 0.5″ to 1.5′ is recommended to prevent plugging of the slots by residue build up
- (B) The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles
- (C) If sufficient slot area is not provided, the gas may pass through the skirt clearance
- (D) None of these
- (A) Less than that for Tee (used as elbow, entering run)
- (B) More than that for Tee (used as elbow, entering run)
- (C) Around 90
- (D) Both
- (A) Sensible heat differences are small, because the temperature changes from tray to tray is small
- (B) Trouton’s rule is applicable
- (C) Liquid/vapor loading across the column remains constant
- (D) All
- (A) 2.5″
- (B) 0.5″
- (C) 5″
- (D) 50% of the plate spacing
- (A) A vapor phase reactor
- (B) Pot type reactor
- (C) A liquid phase reactor
- (D) A liquid phase catalytic reactor
