A. Naphthenic
B. Asphalt
C. Paraffin
D. Mixed
Correct Answer: Mixed ✔
Last Updated: March 02, 2019
Related MCQs
- __________ converts n-paraffins to i-paraffins ?
- A petroleum well is called ‘dry’, if it contains __________?
- In solutizer sweetening process, solutizer solution used is__________?
- Solvent used in the deasphalting process is __________?
- Cetane number of high speed diesel must be ≥__________?
- Boiling range of motor gasoline is an indication of the __________?
- Furfural solvent extraction is used for upgrading (by dissolving aromatics) ?
- Which of the following has the highest octane number ?
- Which of the following processes consumes hydrogen ?
- Catalyst used in catalytic reforming is__________?
- Penetration test determines the __________ of the grease?
- In case of liquid petrofuels, momentary combustion is observed at its __________?
- __________ is not an important refinery process for upgrading the quality of lubricating oil ?
- Petroleum __________ ?
- Which of the following contains maximum sulphur ?
- The colour of gasoline is an indication of its __________?
- In petroleum refining, the process used for conversion of hydrocarbons to aromatics is__________?
- Isomerisation converts the __________ tot-paraffins?
- Naphtha yield in straight run distillation of crude oil may be about __________ percent?
- Older crude petroleum __________?
- Pick out the undesirable property for a solvent meant for dewaxing of lube oil ?
- In sweetening process, solutizer agent used with caustic alkali is__________?
- Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is__________?
- Which of the following tests is not done for transformer oil ?
- Petrolatum is__________?
- Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene?
- Most widely used solvent for dewaxing is__________?
- Which of the following is not a sulphur compound present in petroleum ?
- Pour point of a petrofuel is__________?
- Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c)?
- Higher pressure in the reforming reactor__________?
- __________ base crude oil is also called asphaltic crude?
- The most suitable solvent for deasphalting vacuum residue is__________?
- Smoke point of kerosene is the__________?
- Which of the following petroleum products contain minimum sulphur ?
- Ethyl mercaptan is a/an __________ compound?
- The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to __________?
- Electrical desalting of crude oil removes the __________ impurities?
- Increase in the specific gravity of petroleum products indicates__________?
- The average boiling point of aviation turbine fuel is closest to that of__________?
- Aromatics are desired constituents of__________?
- Testing of the knocking characteristics of petrofuels is done in a __________ engine ?
- The solvent used in Barisol dewaxing process is__________?
- Sour crude means the __________ bearing crude?
- Quinoline is a/an __________ compound ?
- During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water?
- Tetra-ethyl lead is added in gasoline to __________?
- Which of the following categories of gasoline has the highest lead susceptibility ?
- The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol?
- Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms?
- The order of preference for feedstock to a catalytic reformer is __________ ?