Discussion
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- Question
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.
- Correct Answer
- none of these.
- 1. 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
- 2. Pick out the additive property of a lube oil out of following.
Options- A. °API gravity
- B. Specific gravity
- C. Viscosity
- D. Flashpoint Discuss
- 3. A good lubricant should have high
Options- A. viscosity index
- B. volatility
- C. pour point
- D. none of these Discuss
- 4. Crude oil is pumped by a __________ pump.
Options- A. gear
- B. centrifugal
- C. screw
- D. reciprocating Discuss
- 5. Paraffin base crude oil as compared to asphalt base crude gives
Options- A. higher yield of straight run gasoline.
- B. higher octane number gasoline.
- C. lower viscosity index lube oil.
- D. poorer yield of lube oil. Discuss
- 6. __________ 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
- 7. __________ test is done to find out the softening point of bitumen.
Options- A. Impact
- B. Ball and ring
- C. Flame
- D. Viscosity Discuss
- 8. 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). Discuss
- 9. 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
- 10. All enzymes are made of
Options- A. fats
- B. carbohydrates
- C. proteins
- D. amino acids Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: 6.5 kgf/Cm2 & 95°C.
Correct Answer: °API gravity
Correct Answer: viscosity index
Correct Answer: centrifugal
Correct Answer: higher yield of straight run gasoline.
Correct Answer: Deoiling
Correct Answer: Ball and ring
Correct Answer: used in color discharge tube.
Correct Answer: large quantity of coal can be processed.
Correct Answer: proteins
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