Discussion
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- Question
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.
- Correct Answer
- higher yield of straight run gasoline.
- 1. 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
- 2. 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
- 3. Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
Options- A. waxes
- B. mercaptans
- C. asphalt
- D. diolefins Discuss
- 4. True boiling point apparatus is used for the
Options- A. determination of characterisation factor.
- B. evaluation of oil stocks.
- C. determination of true vapour pressure.
- D. none of these. Discuss
- 5. Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.
Options- A. electric immersion
- B. pipestill
- C. steam coil
- D. none of these Discuss
- 6. Crude oil is pumped by a __________ pump.
Options- A. gear
- B. centrifugal
- C. screw
- D. reciprocating Discuss
- 7. A good lubricant should have high
Options- A. viscosity index
- B. volatility
- C. pour point
- D. none of these Discuss
- 8. Pick out the additive property of a lube oil out of following.
Options- A. °API gravity
- B. Specific gravity
- C. Viscosity
- D. Flashpoint Discuss
- 9. 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
- 10. 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
Petroleum Refinery Engineering problems
Search Results
Correct Answer: is the measure of variation of viscosity with temperature.
Correct Answer: Cleveland (open cup type)
Correct Answer: mercaptans
Correct Answer: none of these.
Correct Answer: pipestill
Correct Answer: centrifugal
Correct Answer: viscosity index
Correct Answer: °API gravity
Correct Answer: 6.5 kgf/Cm2 & 95°C.
Correct Answer: none of these.
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