Petroleum Refinery Engineering problems
- 1. Flash point of atmospheric distillation residue is determined by __________ apparates.
Options- A. Pensky-Martens (closed cup type).
- B. Abel.
- C. Cleveland (open cup type)
- D. none of these. Discuss
Correct Answer: Cleveland (open cup type)
- 2. Viscosity index of a lubricating oil
Options- A. is the measure of its flash point.
- B. is the measure of variation of viscosity with temperature.
- C. should be low.
- D. none of these. Discuss
Correct Answer: is the measure of variation of viscosity with temperature.
- 3. 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
Correct Answer: higher yield of straight run gasoline.
- 4. Crude oil is pumped by a __________ pump.
Options- A. gear
- B. centrifugal
- C. screw
- D. reciprocating Discuss
Correct Answer: centrifugal
- 5. A good lubricant should have high
Options- A. viscosity index
- B. volatility
- C. pour point
- D. none of these Discuss
Correct Answer: viscosity index
- 6. Pick out the additive property of a lube oil out of following.
Options- A. °API gravity
- B. Specific gravity
- C. Viscosity
- D. Flashpoint Discuss
Correct Answer: °API gravity
- 7. 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
Correct Answer: 6.5 kgf/Cm2 & 95°C.
- 8. 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
Correct Answer: none of these.
- 9. __________ 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
Correct Answer: Deoiling
- 10. __________ test is done to find out the softening point of bitumen.
Options- A. Impact
- B. Ball and ring
- C. Flame
- D. Viscosity Discuss
Correct Answer: Ball and ring
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