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- Question
Neon gas is
Options- A. flammable in nature.
- B. used in color discharge tube.
- C. filled in lamps having tungsten filament.
- D. all (a), (b) and (c).
- Correct Answer
- used in color discharge tube.
- 1. __________ test is done to find out the softening point of bitumen.
Options- A. Impact
- B. Ball and ring
- C. Flame
- D. Viscosity Discuss
- 2. __________ is not an important refinery process for upgrading the quality of lubricating oil.
Options- A. Deoiling
- B. Solvent refinning
- C. Clay treatment
- D. Hydrotreatment Discuss
- 3. For gasoline, the flash point (<50°C) is determined by the
Options- A. Abel apparatus.
- B. Pensky-Marten's apparatus.
- C. Saybolt chromometer.
- D. none of these. Discuss
- 4. Operating condition in the electrical dehydrators for crude oil is about
Options- A. 6.5 kgf/Cm2 & 95°C.
- B. 1 atm. & 110 °C.
- C. 20 kgf/cm2 & 110°C.
- D. 50 atm. and 150°C. Discuss
- 5. Pick out the additive property of a lube oil out of following.
Options- A. °API gravity
- B. Specific gravity
- C. Viscosity
- D. Flashpoint Discuss
- 6. In the Lurgi coal gasifier
Options- A. coking coals cannot be used.
- B. low carbon conversion efficiency is achieved.
- C. entrainment of solids is higher.
- D. large quantity of coal can be processed. Discuss
- 7. All enzymes are made of
Options- A. fats
- B. carbohydrates
- C. proteins
- D. amino acids Discuss
- 8. Producer gas consists mainly of
Options- A. CO, CO2 N2, H2
- B. CO, H2
- C. H2, CH4
- D. C2H2, CO2, H2 Discuss
- 9. In sulphate pulp manufacture, the pressure and temperature in the digestor is
Options- A. 10 atm., 800 °C
- B. 10 atm., 170-180°C
- C. 1 atm., 170 - 180°C
- D. l atm., 800°C Discuss
- 10. Sulphur addition in soap is done to
Options- A. improve the soap texture.
- B. cure pimples & dandruff.
- C. fasten lather formation.
- D. increase its cleansing action. Discuss
Chemical Process problems
Search Results
Correct Answer: Ball and ring
Correct Answer: Deoiling
Correct Answer: none of these.
Correct Answer: 6.5 kgf/Cm2 & 95°C.
Correct Answer: °API gravity
Correct Answer: large quantity of coal can be processed.
Correct Answer: proteins
Correct Answer: CO, CO2 N2, H2
Correct Answer: 10 atm., 170-180°C
Correct Answer: cure pimples & dandruff.
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