Q.1
Smoke point of kerosene expresses its
Q.2
A good lubricant should have high
Q.3
Flash point of an oil gives an idea of the
Q.4
Flash point of an oil is determined by the
Q.5
Cetane number of high speed diesel must be?
Q.6
The yield of straight run LPG from crude oil is about __________ weight percent.
Q.7
Sulphuric acid treatment of petroleum products removes the __________ materials.
Q.8
Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?
Q.9
Higher vapour pressure of gasoline indicates
Q.10
Which of the following processes is used for the production of petroleum coke?
Q.11
Mercapsol and Unisol processes are meant for the
Q.12
Older crude petroleum
Q.13
In sweetening process, solutizer agent used with caustic alkali is
Q.14
In catalytic alkylation, higher iso-butane to olefin ratio gives
Q.15
Natural gasoline is produced
Q.16
Pour point and freezing point is equal for
Q.17
Which of the following is the most widely used cracking process in oil refineries?
Q.18
Which of the following tests is not done for transformer oil?
Q.19
Aniline point is the temperature at which
Q.20
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.
Q.21
Thermofer catalytic cracking process is a __________ process.
Q.22
The order of preference for feedstock to a catalytic reformer is
Q.23
Visbreaking
Q.24
Smoke volatility index is equal to smoke point plus
Q.25
Catalyst used in catalytic reforming is
Q.26
Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
Q.27
The general formula of naphthenes is
Q.28
Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.
Q.29
Choose the correct statement regarding thermal cracking.
Q.30
Solvent used in Edeleanu process is
Q.31
Antioxidants are added in petrol to
Q.32
Solvent used for dewaxing of petroleum products are
Q.33
The terminology used for the bottom most product from the vacuum crude distillation unit is
Q.34
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
Q.35
Casing head gasoline is the liquid
Q.36
Which of the following is a naphthene?
Q.37
Pick out the correct statement pertaining to catalytic cracking.
Q.38
Which of the following is the most important property for a jet fuel?
Q.39
Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
Q.40
Petroleum coke is used mainly in the
Q.41
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.
Q.42
Electrical desalting of crude oil removes the __________ impurities.
Q.43
In solutizer sweetening process, solutizer solution used is
Q.44
Higher pressure in the reforming reactor
Q.45
Bottom product of atmospheric pressure crude oil distillation column is termed as
Q.46
Which of the following has the lowest viscosity (at a given temperature) of all?
Q.47
Hydrofining is the most recent and effective method for the
Q.48
Which is the most desirable component of a good quality kerosene?
Q.49
Which of the following has the lowest flash point of all?
Q.50
Feedstock for the production of biodiesel is
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