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- Question
Power required for agitation depends upon the
Options- A. height & properties of the liquid.
- B. agitator type & speed of agitation.
- C. size of agitator & the tank.
- D. all (a), (b) and (c).
- Correct Answer
- all (a), (b) and (c).
- 1. Vertical storage vessels are never supported by __________ support.
Options- A. bracket
- B. saddle
- C. skirt
- D. lug Discuss
- 2. The distance between the centre of a rivet hole to the nearest edge of the plate is called
Options- A. pitch
- B. margin
- C. back pitch
- D. none of these Discuss
- 3. A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap.
Options- A. 19
- B. 38
- C. 76
- D. 95 Discuss
- 4.
for a Tee (used as elbow, entering run) would be around
Options- A. 5
- B. 60
- C. 200
- D. 350 Discuss
- 5. Pick out the wrong statement.
Options- A. If sufficient residence time (around 8 seconds) is not proivided to the downcoming liquid in the downcomer, it may entrain some vapour.
- B. The liquid head in the downcomer should not be greater than one half the plate spacing to avoid flooding.
- C. The dischare end of the downcomer must project far enough into the tray liquid so that no gas bubbles can enter the open end and by pass the bubble caps.
- D. none of these. Discuss
- 6. Wind load consideration in the design of a support can be neglected, when the vessel is
Options- A. tall (say 30 metres), but is full of liquid.
- B. tall but empty.
- C. short (< 2 m) and housed indoor.
- D. none of these. Discuss
- 7. Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always
Options- A. less than arithmetic mean value.
- B. more than arithmetic mean value.
- C. more than geometric mean value.
- D. both(b) & (c). Discuss
- 8. 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.
Options- 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 Discuss
- 9. The ratio of lateral strain to linear strain is termed as the
Options- A. Poisson's ratio
- B. bulk modulus
- C. modulus of elasticity
- D. shear modulus Discuss
- 10. Frame thickness in the plate and frame filter press is normally in the range of __________ inches.
Options- A. 0.25 to 4
- B. 0.25 to 8
- C. 1 to 5
- D. 1 to 12 Discuss
Process Equipment and Plant Design problems
Search Results
Correct Answer: saddle
Correct Answer: margin
Correct Answer: 38
Correct Answer: 60
Correct Answer: none of these.
Correct Answer: short (< 2 m) and housed indoor.
Correct Answer: less than arithmetic mean value.
Correct Answer: either (a) or (b), whichever is larger
Correct Answer: Poisson's ratio
Correct Answer: 0.25 to 8
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