Q.1
Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke?
Q.2
Which of the following has the highest octane number?
Q.3
Asphalts are
Q.4
Clay treatment is used to remove
Q.5
Pick out the correct statement about catalytic polymerisation.
Q.6
Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C.
Q.7
The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol.
Q.8
True vapour pressure of a petroleum fraction __________ Reid vapour pressure.
Q.9
Which of the following additives improves the cetane number of diesel?
Q.10
Which of the following is an additive used for improving the cetane number of diesel?
Q.11
Breathing loss on storage of gasoline occurs due to the
Q.12
Octane number of n-heptane is assumed to be
Q.13
Which of the following is used as a solvent in deasphalting of petroleum products?
Q.14
Which of the following categories of gasoline has the highest lead susceptibility?
Q.15
The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to
Q.16
Pyrolysis of kerosene or natural gasoline is done to produce mainly the
Q.17
Octane number (unleaded) of reformed gasoline may be upto
Q.18
The reservoir rock containing petroleum has
Q.19
Sour crude means the __________ bearing crude.
Q.20
The characterisation factor of crude petroleum oil is around
Q.21
With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products
Q.22
Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature.
Q.23
Octane numbers of motor gasoline used in India and America are respectively
Q.24
Catalyst used in alkylation process is
Q.25
Molecular weight of petrol may be about
Q.26
Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is
Q.27
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
Q.28
Waxes present in petroleum products
Q.29
Which of the following is desirable in diesel and kerosene but is undersirable in gasoline?
Q.30
Penetration test determines the __________ of the grease.
Q.31
Isomerisation converts the __________ tot-paraffins.
Q.32
Petroleum deposits are detected by the.
Q.33
Gum formation in stored gasoline is mainly due to the
Q.34
Which is the most effective catalyst used in catalytic cracking of petroleum products?
Q.35
The main aim of cracking is to produce
Q.36
Octane number of gasoline produced by two stage fluidised catalytic cracking process is
Q.37
Which of the following is a non-regenerative fixed bed catalytic reforming process?
Q.38
Which of the following processes consumes hydrogen?
Q.39
Performance number of a liquid fuel is related to its
Q.40
Which of the following gasolines (unleaded) has the least octane number?
Q.41
The characterisation factor of a crude oil is calculated as 12.5. It means that; it is
Q.42
Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners?
Q.43
Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has
Q.44
In case of liquid petrofuels, momentary combustion is observed at its
Q.45
Main constituent of natural gas is
Q.46
Molecular weight of crude petroleum may be around
Q.47
Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel).
Q.48
Aniline point test of an oil qualitatively indicates the __________ content of an oil.
Q.49
Which of the following is desirable in petrol (gasoline) but undesirable in kerosene?
Q.50
Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene.
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