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- Question
Pressure drag does not depend upon the
Options- A. roughness of surface of the body.
- B. pressure of main flow only.
- C. length of the body in flow direction.
- D. all (a), (b) and (c)
- Correct Answer
- all (a), (b) and (c)
- 1. For identical situation, condensing film coefficient in case of a horizontal condenser is almost __________ the value expected in case of vertical condenser.
Options- A. half
- B. twice
- C. thrice
- D. five times Discuss
- 2. Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at
Options- A. Alwaye (in Kerala)
- B. Jadugoda (in Jharkhand)
- C. Kalpakkam (in Tamilnadu)
- D. Gopalpur coast (in Orissa) Discuss
- 3. Pick out the wrong statement about distillation operation
Options- A. Distillation under vacuum is a substitute for steam distillation.
- B. In differential (simple) distillation, the vapour is removed as soon as it is formed without appreciable condensation.
- C. In flash (equilibrium) distillation, a definite fraction of liquid is vaporised in such a way that the evolved vapour & residual liquids are in equilibrium with each other.
- D. Flash distillation, differential distillation & steam distillation are all continuous distillation processes. Discuss
- 4. Benzoyl chloride is not used as a catalyst in the manufacture of
Options- A. polystyrene
- B. polyvinyl acetate
- C. polypropylene
- D. polyvinyl chloride-co-vinylacetate Discuss
- 5. Linear polymers are normally
Options- A. thermosetting.
- B. thermosplastic.
- C. elastometric.
- D. having extremely high softening point. Discuss
- 6. __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals.
Options- A. Separation efficiency
- B. Selectivity index
- C. Concentration ratio
- D. none of these Discuss
- 7. Natural draught produced by a chimney depends upon the
Options- A. density of the chimney gases.
- B. height of the chimney.
- C. both (a) and (b).
- D. neither (a) nor (b). Discuss
- 8. Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO2 extraction (Edeleanu process), its smoke point may become __________ mm.
Options- A. 5
- B. 10
- C. 25
- D. 100 Discuss
- 9. The open loop transfer function of a process is
. In the root locus diagram, the poles will be at
Options- A. -1, -4
- B. 1, 4
- C. -2, -3
- D. 2, 3 Discuss
- 10. Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature.
Options- A. increase of pressure
- B. increase of thermal conductivity
- C. volumetric expansion
- D. differential linear expansion Discuss
More questions
Correct Answer: thrice
Correct Answer: Jadugoda (in Jharkhand)
Correct Answer: Flash distillation, differential distillation & steam distillation are all continuous distillation processes.
Correct Answer: polypropylene
Correct Answer: thermosplastic.
Correct Answer: Selectivity index
Correct Answer: both (a) and (b).
Correct Answer: 25
Correct Answer: -2, -3
Correct Answer: volumetric expansion
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