The terminology used for the bottom most product from the vacuum crude distillation unit is
The terminology used for the bottom most product from the vacuum crude distillation unit is
Cetane number of a diesel fuel is the measure of its
Cetane number of a diesel fuel is the measure of its
Maximum use of petroleum coke is in
Maximum use of petroleum coke is in
Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
Higher pressure in the reforming reactor
Higher pressure in the reforming reactor
Which of the following has the lowest viscosity (at a given temperature) of all?
Which of the following has the lowest viscosity (at a given temperature) of all?
For gasoline, the flash point (<50°C) is determined by the
For gasoline, the flash point (<50°C) is determined by the
Diesel index.(an alternative index for expressing the quality of diesel) is
Diesel index.(an alternative index for expressing the quality of diesel) is
Aniline point of the diesel is a measure of its __________ content.
Aniline point of the diesel is a measure of its __________ content.
Specific gravity of a petroleum product gives an indication of its
Specific gravity of a petroleum product gives an indication of its
Which of the following processes in oil refinery does not employ 'cracking'?
Which of the following processes in oil refinery does not employ 'cracking'?
A typical yield of diesel in straight run distillation of crude oil may be about __________ percent.
A typical yield of diesel in straight run distillation of crude oil may be about __________ percent.
Smoke point of kerosene is the
Smoke point of kerosene is the
The catalytic cracking of heavier petroleum fraction is done to produce mainly
The catalytic cracking of heavier petroleum fraction is done to produce mainly
Which of the following is the most suitable feed for platforming process (reforming)?
Which of the following is the most suitable feed for platforming process (reforming)?
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).
In solutizer sweetening process, solutizer solution used is
In solutizer sweetening process, solutizer solution used is
Feedstock for the production of biodiesel is
Feedstock for the production of biodiesel is
__________ converts n-paraffins to i-paraffins.
__________ converts n-paraffins to i-paraffins.
Which of the following is the most important property for a jet fuel?
Which of the following is the most important property for a jet fuel?
The coking process normally mostly used in Indian oil refineries is the __________ coking process.
The coking process normally mostly used in Indian oil refineries is the __________ coking process.
Most widely used solvent for dewaxing is
Most widely used solvent for dewaxing is
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of
Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.
Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.
CnH2n is the general formula for
CnH2n is the general formula for
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).
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).
The colour of gasoline is an indication of its
The colour of gasoline is an indication of its
Bottom product of atmospheric pressure crude oil distillation column is termed as
Bottom product of atmospheric pressure crude oil distillation column is termed as
Smoke volatility index is equal to smoke point plus
Smoke volatility index is equal to smoke point plus
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
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
Boiling range of motor gasoline is an indication of the
Boiling range of motor gasoline is an indication of the
Naphtha yield in straight run distillation of crude oil may be about __________ percent.
Naphtha yield in straight run distillation of crude oil may be about __________ percent.
Percentage of straight run gasoline in a typical crude oil may be around
Percentage of straight run gasoline in a typical crude oil may be around
Pick out the wrong statement.
Pick out the wrong statement.
Which of the following is a naphthene?
Which of the following is a naphthene?
Hydrofining is the most recent and effective method for the
Hydrofining is the most recent and effective method for the
Catalyst used in the isomerisation is
Catalyst used in the isomerisation is
Which of the following petroleum products contain minimum sulphur?
Which of the following petroleum products contain minimum sulphur?
Antioxidants are added in petrol to
Antioxidants are added in petrol to
Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration
Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration
Solvent used for dewaxing of petroleum products are
Solvent used for dewaxing of petroleum products are
Electrical desalting of crude oil removes the __________ impurities.
Electrical desalting of crude oil removes the __________ impurities.
Which is the most desirable component of a good quality kerosene?
Which is the most desirable component of a good quality kerosene?
Petroleum coke is used mainly in the
Petroleum coke is used mainly in the
Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the
Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the
High aniline point of diesel indicates that, it
High aniline point of diesel indicates that, it
Catalyst used in catalytic reforming is
Catalyst used in catalytic reforming is
Which of the following has the lowest flash point of all?
Which of the following has the lowest flash point of all?
Pick out the correct statement pertaining to catalytic cracking.
Pick out the correct statement pertaining to catalytic cracking.
A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent.
A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent.
Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
__________ treatment is done for appreciable improvement in viscosity index of lubricating oil.
__________ treatment is done for appreciable improvement in viscosity index of lubricating oil.
