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- Question
To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to
Options- A. 0.5 d
- B. d
- C. 1.5 d
- D. 2.5 d
- Correct Answer
- 1.5 d
- 1. Regenerators are normally provided in the
Options- A. glass melting furnace.
- B. open hearth furnace.
- C. by product coke ovens.
- D. all (a), (b) and (c). Discuss
- 2. Quantity of fissionable material (i.e. U-235) in natural uranium is __________ percent.
Options- A. 0.71
- B. 6.31
- C. 99.29
- D. 12.73 Discuss
- 3. Maximum plate efficiency is achieved in case of __________ flow.
Options- A. split
- B. cross
- C. cascade
- D. reverse Discuss
- 4. Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?
Options- A. Triangular pitch.
- B. Square pitch.
- C. Diagonal square pitch.
- D. Heat transfer rate is independent of tube arrangement. Discuss
- 5. __________ conveyor is the most suitable for long distance transportation of cold, non-abrasive granular/irregular shape/fine materials.
Options- A. Bucket
- B. Belt
- C. Screw
- D. Apron Discuss
- 6. Artificially produced radioactive isotopes are used for
Options- A. power generation.
- B. treatment of certain diseases.
- C. initiating nuclear fission and fusion.
- D. all (a), (b) and (c). Discuss
- 7. The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?
Options- A. 159
- B. 1837
- C. 2537
- D. 10000 Discuss
- 8. Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is
Options- A. same
- B. less
- C. about 3 times
- D. about 0.33 times Discuss
- 9. __________ is not a condensation polymer.
Options- A. Teflon
- B. Nylon-66
- C. Dacron
- D. Polystyrene Discuss
- 10. When the momentum of one fluid is used for moving another fluid, such a device is called a/an
Options- A. jet pump
- B. blower
- C. acid egg
- D. none of these Discuss
More questions
Correct Answer: all (a), (b) and (c).
Correct Answer: 0.71
Correct Answer: cross
Correct Answer: Triangular pitch.
Correct Answer: Belt
Correct Answer: treatment of certain diseases.
Correct Answer: 1837
Correct Answer: about 3 times
Correct Answer: Teflon
Correct Answer: jet pump
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