Crude oil is subjected to vacuum distillation in the last stage, because
Crude oil is subjected to vacuum distillation in the last stage, because
Which of the following is not an important property of fuel oil/furnace oil?
Which of the following is not an important property of fuel oil/furnace oil?
Tetra-ethyl lead is added in gasoline to
Tetra-ethyl lead is added in gasoline to
The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively
The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively
Pick out the wrong statement.
Pick out the wrong statement.
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.
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.
Waxy crudes are treated with chemical additives mainly to
Waxy crudes are treated with chemical additives mainly to
Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms.
Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms.
Pick out the additive property of a lube oil out of following.
Pick out the additive property of a lube oil out of following.
Mercaptans is represented as (where R and R' are alkyl groups)
Mercaptans is represented as (where R and R' are alkyl groups)
In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones.
In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones.
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is
The solvent used in Barisol dewaxing process is
The solvent used in Barisol dewaxing process is
Name the hydrocarbon having the poorest oxidation stability.
Name the hydrocarbon having the poorest oxidation stability.
Stabilisation of gasoline (petrol) means
Stabilisation of gasoline (petrol) means
Which of the following fractions of petroleum contains maximum sulphur?
Which of the following fractions of petroleum contains maximum sulphur?
Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ?
Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ?
Pick out the undesirable property for a solvent meant for dewaxing of lube oil.
Pick out the undesirable property for a solvent meant for dewaxing of lube oil.
Which of the following is used as a catalyst in fluidised bed catalytic cracking?
Which of the following is used as a catalyst in fluidised bed catalytic cracking?
Pressure & temperature maintained in catalytic cracking is about
Pressure & temperature maintained in catalytic cracking is about
With increase in density, the viscosity of petroleum products
With increase in density, the viscosity of petroleum products
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
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
The octane number of aviation gasoline may be
The octane number of aviation gasoline may be
Crude topping column operates at __________ pressure.
Crude topping column operates at __________ pressure.
Pick out the correct statement.
Pick out the correct statement.
Feedstock for polymerisation is
Feedstock for polymerisation is
With increase in the molecular weight of aromatic present in kerosene, its smoking tendency
With increase in the molecular weight of aromatic present in kerosene, its smoking tendency
Reid vapour pressure of gasoline is the measure of its
Reid vapour pressure of gasoline is the measure of its
Flash point of motor gasoline may be around __________ °C.
Flash point of motor gasoline may be around __________ °C.
Highest quality bitumen is produced from the __________ crude oil.
Highest quality bitumen is produced from the __________ crude oil.
The first crude oil refinery of India is located at
The first crude oil refinery of India is located at
Which of the following has the highest gum forming tendency in gosoline?
Which of the following has the highest gum forming tendency in gosoline?
Phenols are added in gasoline to
Phenols are added in gasoline to
The best method of determining sulphur in crude oil is by the __________ method.
The best method of determining sulphur in crude oil is by the __________ method.
__________ test is done to find out the softening point of bitumen.
__________ test is done to find out the softening point of bitumen.
Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.
Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.
Furfural solvent extraction is used for upgrading (by dissolving aromatics)
Furfural solvent extraction is used for upgrading (by dissolving aromatics)
Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.
Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.
A multigrade lubricating oil means an oil having high
A multigrade lubricating oil means an oil having high
The condesate obtained on compression of wet natural gas is termed as
The condesate obtained on compression of wet natural gas is termed as
Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint.
Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint.
Aniline point of high speed diesel may be about __________ °C.
Aniline point of high speed diesel may be about __________ °C.
Viscosity index of a lubricating oil
Viscosity index of a lubricating oil
Cetane number of alpha methyl naphthalene is assumed to be
Cetane number of alpha methyl naphthalene is assumed to be
Which of the following has the maximum °API gravity of all?
Which of the following has the maximum °API gravity of all?
Which of the following contains maximum sulphur?
Which of the following contains maximum sulphur?
Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to
Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to
Paraffin base crude oil as compared to asphalt base crude gives
Paraffin base crude oil as compared to asphalt base crude gives
Operating condition in the electrical dehydrators for crude oil is about
Operating condition in the electrical dehydrators for crude oil is about
In catalytic cracking, the
In catalytic cracking, the
Doctor's solution used for sweetening of petroleum products is
Doctor's solution used for sweetening of petroleum products is
__________ is not an important refinery process for upgrading the quality of lubricating oil.
__________ is not an important refinery process for upgrading the quality of lubricating oil.
Which of the following has the minimum °API gravity of all?
Which of the following has the minimum °API gravity of all?
Deoiling of wax is done by its
Deoiling of wax is done by its
LPG when brought to atmospheric pressure & temperature will be a
LPG when brought to atmospheric pressure & temperature will be a
Solvent used in duo-sol extraction for lube oil upgradation is a mixture of
Solvent used in duo-sol extraction for lube oil upgradation is a mixture of
Water separometer index (modified) (WSIM) of a petrofuel is the measure of its
Water separometer index (modified) (WSIM) of a petrofuel is the measure of its
Pick out the wrong statement.
Pick out the wrong statement.
Which of the following has the lowest cetane number?
Which of the following has the lowest cetane number?
The most commonly used feed stock for the reforming reactor is
The most commonly used feed stock for the reforming reactor is
Octane number of gasoline is a measure of its
Octane number of gasoline is a measure of its
Straight run petrol as compared to methyl/ethyl alcohol has
Straight run petrol as compared to methyl/ethyl alcohol has
Catalyst used in catalytic polymerisation which produces polymer gasoline is
Catalyst used in catalytic polymerisation which produces polymer gasoline is
Feed for reforming is generally
Feed for reforming is generally
Pick out the wrong statement.
Pick out the wrong statement.
High aniline point of a petrofuel (say diesel) indicates that
High aniline point of a petrofuel (say diesel) indicates that
Naphthenic acid is represented by
Naphthenic acid is represented by
The average boiling point of aviation turbine fuel is closest to that of
The average boiling point of aviation turbine fuel is closest to that of
'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts.
'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts.
Cetane number of diesel used in trucks may be about
Cetane number of diesel used in trucks may be about
An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.
An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.
Which is the most undesirable component in kerosene?
Which is the most undesirable component in kerosene?
Quinoline is a/an __________ compound.
Quinoline is a/an __________ compound.
Which of the following has the highest flash point of all?
Which of the following has the highest flash point of all?
Pick out the wrong statement.
Pick out the wrong statement.
Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of
Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of
Catalyst used in the catalytic polymerisation is
Catalyst used in the catalytic polymerisation is
Diesel used in naval applications has a minimum cetane number of
Diesel used in naval applications has a minimum cetane number of
Which parameter is used for the grading of paraffin waxes?
Which parameter is used for the grading of paraffin waxes?
Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds).
Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds).
Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency?
Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency?
Aniline point is a property of the
Aniline point is a property of the
Increase in the specific gravity of petroleum products indicates
Increase in the specific gravity of petroleum products indicates
Diesel index is defined as
Diesel index is defined as
Solvent used in the deasphalting process is
Solvent used in the deasphalting process is
Flash point of diesel/kerosene (>50°C) is determined by the
Flash point of diesel/kerosene (>50°C) is determined by the
Hydrocracking employs
Hydrocracking employs
Octane number (unleaded) of gasoline produced by isomerisation of butane may be about
Octane number (unleaded) of gasoline produced by isomerisation of butane may be about
Illuminating characteristics of kerosene is expressed by its
Illuminating characteristics of kerosene is expressed by its
Smoke point of a good burning kerosene may be around __________ mm.
Smoke point of a good burning kerosene may be around __________ mm.
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
The proper arrangement of the petroleum fractions in order of their boiling points is
The proper arrangement of the petroleum fractions in order of their boiling points is
Catalyst used in isomerisation process is
Catalyst used in isomerisation process is
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with
Detergent is added as an additive in engine lubricating oil to
Detergent is added as an additive in engine lubricating oil to
__________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.
__________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.
Molecular weight of crude oil is in the range of
Molecular weight of crude oil is in the range of
Which of the following has maximum hydrogen/carbon ratio (by weight)?
Which of the following has maximum hydrogen/carbon ratio (by weight)?
Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to
Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to
Which is an anticing compound?
Which is an anticing compound?
