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- Question
__________ is the determining factor for the number of bubble caps to be used per tray.
Options- A. Permissible slot velocity
- B. Tray diameter
- C. Liquid load
- D. Vapor load
- Correct Answer
- Permissible slot velocity
- 1. Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is
Options- A. exothermic
- B. endothermic
- C. autocatalytic
- D. none of these Discuss
- 2. Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C.
Options- A. 770
- B. 570
- C. 270
- D. 70 Discuss
- 3. Fast breeder reactors do not
Options- A. use Th-232 as fissile fuel.
- B. convert fertile material to fissile material.
- C. use fast neutrons for fission.
- D. use molten sodium as coolant. Discuss
- 4. Liquid levels in autocalves are measued by
Options- A. simple float
- B. differential float type manometer
- C. glass gauge
- D. none of these Discuss
- 5. Range of hydrogen gas constant volume themometer is __________ °C.
Options- A. -10 to 20
- B. 0 to 100
- C. 100 - 500
- D. 400 - 1000 Discuss
- 6. A shareholder has __________ say in the affairs of company management compared to a debenture holder.
Options- A. more
- B. less
- C. same
- D. no Discuss
- 7. Temperature measuring instruments are standardised mostly with __________ points of pure substances.
Options- A. melting
- B. boiling
- C. both (a) & (b)
- D. neither (a) nor (b) Discuss
- 8. The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies
Options- A. XM < 0.5
- B. XM = 0.5
- C. 0.5 < XM < 0.64
- D. XM ? 0.64 Discuss
- 9. Which of the following is generally not used as eord for synthetic rubber tyre casing?
Options- A. Dacron
- B. Nylon
- C. Cellulose
- D. None of these Discuss
- 10. A pyrheliometer is an instrument used for measuring the
Options- A. bright sunshine period.
- B. beam radiation.
- C. diffuse radiation.
- D. none of these. Discuss
More questions
Correct Answer: exothermic
Correct Answer: 270
Correct Answer: use Th-232 as fissile fuel.
Correct Answer: differential float type manometer
Correct Answer: 0 to 100
Correct Answer: more
Correct Answer: both (a) & (b)
Correct Answer: XM ? 0.64
Correct Answer: Cellulose
Correct Answer: beam radiation.
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