Category: Process Equipment and Plant Design

A. 6.5 cms
B. 6.5 mm
C. Equal to tube I.D
D. Equal to tube O.D

A. Preferably flow inside the tube for its easier internal cleaning
B. Preferably flow outside the tube
C. Flow at a very slow velocity
D. Flow outside the tube, when the flow is counter-current and inside the tube when the flow is
co-current

A. Decreases
B. Increases
C. Remain unaffected
D. May increase or decrease depending upon whether the fluid is Newtonian or non-Newtonian

A. 0.1-0.2
B. 0.2-0.5
C. 0.4-0.9
D. 1.2-1.5

A. 1/8 and 1/64
B. 1/64 and 1/8
C. 1/2 and 8
D. 1/2 and 5

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., B. and C.

A. 1.5 to 2
B. 2.5 to 5
C. 5 to 10
D. 10 to 15

A. Called tube pitch
B. Called tube clearance
C. Always less than the diameter of the tube
D. None of these

A. 75% cut segmental baffle
B. 25% cut segmental baffle
C. Orifice baffle
D. Disk and doughnut baffle

A. 0.01 to 1
B. 1.5 to 2.5
C. 5 to 10
D. 10 to 20