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- Question
Baffle spacing is generally __________ the I.D. of the shell.
Options- A. more than
- B. not greater than
- C. not less than one fifth of
- D. both (b) and (c)
- Correct Answer
- both (b) and (c)
- 1. The buckling tendency of compression members is always in the direction of the
Options- A. least radius of gyration.
- B. axis of the load.
- C. perpendicular to the axis of the load.
- D. none of these. Discuss
- 2. A 'rupture disc' is provided in chemical equipments as an accessory meant for
Options- A. relieving excess pressure.
- B. creating turbulence.
- C. enhancing mixing rate.
- D. avoiding vortex formation. Discuss
- 3. Removable connection of tubes to tube sheet is called
Options- A. ferrule
- B. socket
- C. nipple
- D. saddle Discuss
- 4. The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.
Options- A. 2
- B. 1/2
- C. 4
- D. 1/4 Discuss
- 5. The minimum baffle height should be
Options- A. equal to the impeller diameter.
- B. twice the impeller diameter.
- C. twice the tank diameter.
- D. 3/4 of the tank height. Discuss
- 6. Pick out the wrong statement pertaining to the design of the distillation column.
Options- A. Generally, a skirt clerance 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. Discuss
- 7. Stress-strain diagram for low carbon steel/mild steel is shown below in the Fig.
The point 'A' on the Fig. represents the
Options- A. breaking stress
- B. ultimate stress
- C. elastic limit
- D. yield point Discuss
- 8. The thermal stress in a metallic bar does not depend upon the
Options- A. changes in temperature.
- B. cross-sectional area.
- C. both (a) and (b).
- D. neither (a) nor (b). Discuss
- 9. The function of manholes provided in the shell of a distillation column is to
Options- A. keep a check on the liquid gradient over the plate by direct visual observation.
- B. give access to the individual trays for cleaning, maintenance and installation.
- C. guard against foaming & entrainment by dumping antifoaming agent through it.
- D. all (a), (b) and (c). Discuss
- 10. For high pressure process equipments/vessels, the connected nozzle should be
Options- A. welded
- B. screwed
- C. flanged
- D. brazed Discuss
Process Equipment and Plant Design problems
Search Results
Correct Answer: least radius of gyration.
Correct Answer: relieving excess pressure.
Correct Answer: ferrule
Correct Answer: 4
Correct Answer: twice the impeller diameter.
Correct Answer: none of these.
Correct Answer: elastic limit
Correct Answer: cross-sectional area.
Correct Answer: give access to the individual trays for cleaning, maintenance and installation.
Correct Answer: flanged
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