Q.1
The catalytic cracking of heavier petroleum fraction is done to produce mainly
Q.2
Which of the following is the most suitable feed for platforming process (reforming)?
Q.3
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).
Q.4
Maximum use of petroleum coke is in
Q.5
Aniline point of the diesel is a measure of its __________ content.
Q.6
__________ converts n-paraffins to i-paraffins.
Q.7
CnH2n is the general formula for
Q.8
For gasoline, the flash point (<50°C) is determined by the
Q.9
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).
Q.10
High aniline point of diesel indicates that, it
Q.11
Catalyst used in the isomerisation is
Q.12
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of
Q.13
The coking process normally mostly used in Indian oil refineries is the __________ coking process.
Q.14
Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration
Q.15
Diesel index.(an alternative index for expressing the quality of diesel) is
Q.16
__________ treatment is done for appreciable improvement in viscosity index of lubricating oil.
Q.17
Specific gravity of a petroleum product gives an indication of its
Q.18
Which of the following petroleum products contain minimum sulphur?
Q.19
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
Q.20
Smoke point of kerosene is the
Q.21
The colour of gasoline is an indication of its
Q.22
Boiling range of motor gasoline is an indication of the
Q.23
In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
Q.24
Ethyl mercaptan is a/an __________ compound.
Q.25
Lane and Garton classification of petroleum is based on its
Q.26
The main reaction in reforming is the
Q.27
Petroleum is believed to have originated from __________ sources.
Q.28
Operating temperature and pressure in catalytic reforming is about
Q.29
Pick out the wrong statement.
Q.30
Carbon percentage (by weight) in crude petroleum may be about
Q.31
Hydrogen percentage (by weight) in crude petroleum may be about
Q.32
Products drawn from the top to bottom of the crude oil distillation column has progressively increasing
Q.33
Road grade bitumen is produced from vacuum residue by its
Q.34
Visbreaking process is used mainly for making
Q.35
Butadiene is a/an
Q.36
Both asphalt and wax are produced by __________ base crude oils.
Q.37
Paraffins are desirable in lubricating oil, as it has got high
Q.38
Research octane number refers to the
Q.39
Choose the correct statement.
Q.40
Choose the correct statement.
Q.41
Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene.
Q.42
Petroleum coke is commercially produced by the __________ process.
Q.43
Glycol added to petrol acts as a/an __________ agent.
Q.44
Alkylation
Q.45
Which of the following reactions is undesirable in the production of catalytically reformed gasoline?
Q.46
Aniline point is the
Q.47
Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene?
Q.48
Water content in the crude oil as it comes out of oil well may be upto __________ percent.
Q.49
Which of the following has the highest viscosity of all (at a given temperature)?
Q.50
Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline.
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