A. Elimination of solvent drying facility
B. Higher nitration temperature
C. Lower solvent dilution ratio
D. All A., B. & C.
Correct Answer: D. All A., B. & C. ✔
Last Updated: March 01, 2019
Related MCQs
- Which of the following has the highest flash point of all ?
- Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C ?
- Which of the following is a Naphthene ?
- Which is almost absent in crude petroleum ?
- Hydrocracking employs __________?
- Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic__________?
- ‘Solvent naphtha’ used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts?
- Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its__________?
- Octane number (unleaded) of gasoline produced by isomerisation of butane may be about __________?
- Molecular weight of crude petroleum may be around__________?
- The characterisation factor of crude petroleum oil is around__________?
- True vapour pressure of a petroleum fraction __________ Reid vapour pressure?
- A typical yield of diesel in straight run distillation of crude oil may be about __________ percent?
- Crude topping column operates at __________ pressure?
- Catalyst used in the catalytic polymerisation is__________?
- Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline?
- __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?
- Clay treatment is used to remove __________ ?
- Which of the following is the easiest to crack ?
- Which parameter is used for the grading of paraffin waxes ?
- Higher vapour pressure of gasoline indicates __________?
- 1 centistoke is equal to __________ Redwood I seconds?
- Which of the following fractions of petroleum contains maximum sulphur ?
- Good quality kerosene should have__________?
- Catalyst used in alkylation process is__________?
- Cracking is__________?
- Concentration of H2SO4 catalyst in alkylation is kept between 90-98%, because H2SO4 having concentration?
- The conductivity of crude oil-water mixture depends on the__________?
- Octane number of n-heptane is assumed to be__________?
- Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners ?
- Catalyst used in isomerisation process is __________ ?
- Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene?
- LPG stands for __________?
- Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel) ?
- Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas?
- Which of the following has the minimum °API gravity of all ?
- Reforming converts__________?
- Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of __________?
- The best method of determining sulphur in crude oil is by the __________ method?
- Which of the following reactions is undesirable in the production of catalytically reformed gasoline ?
- The most important property for a jet fuel is its__________?
- Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute)?
- Which of the following is not an important property of fuel oil/furnace oil ?
- High aniline point of a petrofuel (say diesel) indicates that __________?
- The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mm Hg?
- Liquefied Petroleum Gas (LPG) is mainly a mixture of __________?
- Which of the following has the lowest cetane number ?
- Pressure & temperature maintained in catalytic cracking is about__________?
- In catalytic cracking, the__________?
- Carbon percentage (by weight) in crude petroleum may be about__________?
- CnH2n is the general formula for__________?