Process Equipment & Plant Design Mcqs for Chemical

1.

The minimum baffle height should be ______________?

A. Equal to the impeller diameter

B. Twice the impeller diameter

C. Twice the tank diameter

D. 3/4 of the tank height

Answer & Solution Discuss in Board

2.

In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the_______________?

A. Liquid gradient on the tray

B. Lower skirt clearance

C. Lower static submergence

D. Small downcomer liquid seal

Answer & Solution Discuss in Board

3.

Pick out the wrong statement pertaining to shell and tube heat exchanger_______________?

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

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

Answer & Solution Discuss in Board

4.

In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ _____________ cms?

A. 1.2

B. 0.5

C. 3.8

D. 6.8

Answer & Solution Discuss in Board

5.

Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than ______________ of the head?

A. 6% of I.D.

B. 3 times the thickness

C. Either A. or B., whichever is larger

D. Either A. or B., whichever is smaller

Answer & Solution Discuss in Board

6.

The LMTD correction factor (FT) is defined as the __________________?

A. Ratio of true temperature difference to the LMTD

B. Ratio of LMTD to the true temperature difference

C. Differenced of true temperature difference and the LMTD

D. Geometric mean of the true temperature difference and the LMTD

Answer & Solution Discuss in Board

7.

Which of the following is the best tube material from thermal conductivity point of view alone ?

A. Aluminium

B. Stainless steel

C. Copper

D. Carbon steel

Answer & Solution Discuss in Board

8.

Power required for agitation depends upon the______________________?

A. Height & properties of the liquid

B. Agitator type & speed of agitation

C. Size of agitator & the tank

D. All A., B. and C.

Answer & Solution Discuss in Board

9.

Stage efficiency for packed tower varies with the____________________?

A. Type & size of packing

B. Fluid rates and fluid properties

C. Operating pressure and column diameter

D. All A., B. and C.

Answer & Solution Discuss in Board

10.

Tube wall thickness depends on the corrosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than _____________ mm outside diameter is generally not recommended for fouling fluids ?

A. 16

B. 19

C. 28

D. 38

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Process Equipment & Plant Design Mcqs for Chemical

1. The minimum baffle height should be ______________?

Answer & Solution

2. In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the_______________?

Answer & Solution

3. Pick out the wrong statement pertaining to shell and tube heat exchanger_______________?

Answer & Solution

4. In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ _____________ cms?

Answer & Solution

5. Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than ______________ of the head?

Answer & Solution

6. The LMTD correction factor (FT) is defined as the __________________?

Answer & Solution

7. Which of the following is the best tube material from thermal conductivity point of view alone ?

Answer & Solution

8. Power required for agitation depends upon the______________________?

Answer & Solution

9. Stage efficiency for packed tower varies with the____________________?

Answer & Solution

Answer & Solution

Read More Section(Chemical Engineering Mcqs)

1.

The minimum baffle height should be ______________?

2.

In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the_______________?

3.

Pick out the wrong statement pertaining to shell and tube heat exchanger_______________?

4.

In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ _____________ cms?

5.

Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than ______________ of the head?

6.

The LMTD correction factor (FT) is defined as the __________________?

7.

Which of the following is the best tube material from thermal conductivity point of view alone ?

8.

Power required for agitation depends upon the______________________?

9.

Stage efficiency for packed tower varies with the____________________?