Process Equipment And Plant Design MCQ Questions & Answers | Chemical Engineering

A. The corrosive and fouling fluid should be preferably routed through the tubes

B. The viscous fluid should be routed through the shell side

C. Lower flow rate fluid should be routed through the shell side

D. Higher pressure fluid stream should be routed through the shell side

A. The minimum value of baffle spacing is 50 mm

B. The maximum value of baffle spacing is equal to the I.D. of the shell

C. The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these

D. Disk and doughnut baffle is the most commonly used baffle

A. Clearance between shell & baffles and between tube & baffles should be minimum to avoid by-passing of the fluid, but it should be enough to permit the removal of tube bundle

B. Baffles are supported independently of the tubes by tie rods and positioned by spacers

C. Tie rods are fixed at one end in the tube sheet by making blind holes and the minimum number of tie rods is 4 with at least 10 mm diameter

D. Bracket supports are used for horizontal shell, while saddle support is used for vertical shell

A. 1000

B. 3000

C. 5000

D. 10000

A. Reducing scale deposition

B. Increasing pressure drop

C. Fixing the tubes

D. Creating turbulence

A. D_{i, opt} = 3 Q^0.36.ρ^0.18

B. D_{i, opt} = 3.9 Q^0.45.ρ^0.23

C. D_{i, opt} = 7.6 Q^0.36.ρ^0.9

D. D_{i, opt} = 3 Q^0.36.ρ^1.86.μ^0.08

A. 2.5"

B. 0.5"

C. 5"

D. 50% of the plate spacing

A. 10

B. 20

C. 30

D. 5

A. 20

B. 30

C. 45

D. 85

A. Preventing the local overstressing of the shell around the opening

B. Reduction of discontinuity in shape at the junction

C. Making the joint leak proof

D. None of these