A. Low boiling sulphur compounds
B. Added in LPG cylinders to detect gas leakage by its smell
C. Undesirable in petrol, as they reduce its octane number
D. All A., B. and C.
Correct Answer: D. All A., B. and C. ✔
Last Updated: March 02, 2019
Related MCQs
- Aniline point test of an oil qualitatively indicates the __________ content of an oil?
- Pour point and freezing point is equal for__________?
- Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg?
- The characterisation factor of a crude oil is calculated as 12.5. It means that; it is__________?
- Solution used in Doctor’s treatment for the removal of mercaptans is__________?
- Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is__________?
- Straight run petrol as compared to methyl/ethyl alcohol has__________?
- __________ test is done to find out the softening point of bitumen?
- In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process?
- Which of the following processes in oil refinery does not employ „cracking‟?
- Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst?
- Diesel index is defined as__________?
- Carbon/hydrogen ratio (by weight) is maximum (out of following) for__________?
- Stabilisation of gasoline (petrol) means __________?
- Naphthenic acid is represented by __________?
- Bottom product of atmospheric pressure crude oil distillation column is termed as__________?
- Smoke point of kerosene expresses its__________?
- Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of __________?
- Removal of light fractions from crude oil is called its __________?
- Which of the following is used as a solvent in deasphalting of petroleum products ?
- The catalytic cracking of heavier petroleum fraction is done to produce mainly__________?
- Hydrofining is the most recent and effective method for the__________ ?
- Which is the most desirable component of a good quality kerosene ?
- Petroleum is believed to have originated from __________ sources?
- LSHS is a type of furnace oil, which__________?
- The yield of straight run LPG from crude oil is about __________ weight percent?
- Performance number of a liquid fuel is related to its __________?
- Petroleum coke is used mainly in the __________ ?
- Octane numbers of motor gasoline used in India and America are respectively__________?
- Which one is preferred for aircraft engine ?
- hich of the following is the most suitable feed for platforming process (reforming) ?
- The condensate obtained on compression of wet natural gas is termed as__________?
- In catalytic alkylation, higher iso-butane to olefin ratio gives__________?
- Solvent used in Edeleanu process is__________?
- Reid vapour pressure of gasoline is the measure of its__________?
- Pick out the correct statement about catalytic polymerisation ?
- Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene ?
- Cetane number of diesel used in trucks may be about __________?
- With increase in density, the viscosity of petroleum products __________?
- Visbreaking process is used mainly for making__________?
- Mercaptans are added to liquefied petroleum gas (LPG) to __________ ?
- Research octane number refers to the__________?
- Which of the following is used as a catalyst in fluidised bed catalytic cracking ?
- Aniline point is the __________?
- Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatization by liquid SO2 extraction (Edeleanu process), its smoke point may become __________ mm?
- Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm?
- The most commonly used feed stock for the reforming reactor is __________?
- Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?
- Octane number of gasoline is a measure of its__________?
- In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen__________?
- Alkylation__________?