Q.1
Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight.
Q.2
1 centistoke is equal to __________ Redwood I seconds.
Q.3
The condesate obtained on compression of wet natural gas is termed as
Q.4
An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.
Q.5
Molecular weight of crude oil is in the range of
Q.6
Octane number of gasoline is a measure of its
Q.7
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is
Q.8
The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively
Q.9
Which of the following has the highest gum forming tendency in gosoline?
Q.10
Highest quality bitumen is produced from the __________ crude oil.
Q.11
Illuminating characteristics of kerosene is expressed by its
Q.12
Increase in the specific gravity of petroleum products indicates
Q.13
__________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.
Q.14
Crude topping column operates at __________ pressure.
Q.15
Feedstock for polymerisation is
Q.16
The first crude oil refinery of India is located at
Q.17
Mercaptans is represented as (where R and R' are alkyl groups)
Q.18
Which of the following is not an important property of fuel oil/furnace oil?
Q.19
Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds).
Q.20
High aniline point of a petrofuel (say diesel) indicates that
Q.21
Aniline point of high speed diesel may be about __________ °C.
Q.22
LPG when brought to atmospheric pressure & temperature will be a
Q.23
Water separometer index (modified) (WSIM) of a petrofuel is the measure of its
Q.24
In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction
Q.25
Pick out the wrong statement.
Q.26
Catalyst used in isomerisation process is
Q.27
Name the hydrocarbon having the poorest oxidation stability.
Q.28
Which of the following fractions of petroleum contains maximum sulphur?
Q.29
Pick out the additive property of a lube oil out of following.
Q.30
Pick out the wrong statement.
Q.31
Paraffin base crude oil as compared to asphalt base crude gives
Q.32
Straight run petrol as compared to methyl/ethyl alcohol has
Q.33
Feed for reforming is generally
Q.34
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.
Q.35
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with
Q.36
Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.
Q.37
Quinoline is a/an __________ compound.
Q.38
Which of the following has the maximum °API gravity of all?
Q.39
Which of the following is used as a catalyst in fluidised bed catalytic cracking?
Q.40
Operating condition in the electrical dehydrators for crude oil is about
Q.41
Flash point of diesel/kerosene (>50°C) is determined by the
Q.42
Pick out the undesirable property for a solvent meant for dewaxing of lube oil.
Q.43
Deoiling of wax is done by its
Q.44
The proper arrangement of the petroleum fractions in order of their boiling points is
Q.45
Flash point of motor gasoline may be around __________ °C.
Q.46
Smoke point of a good burning kerosene may be around __________ mm.
Q.47
Which of the following has the highest flash point of all?
Q.48
Detergent is added as an additive in engine lubricating oil to
Q.49
Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil
Q.50
The main use of heavy gas oil produced by the vacuum distillation unit is as a
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