Presence of aromatics in
Presence of aromatics in
95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.
95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.
In catalytic alkylation, higher iso-butane to olefin ratio gives
In catalytic alkylation, higher iso-butane to olefin ratio gives
Crude oil is pumped by a __________ pump.
Crude oil is pumped by a __________ pump.
Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm² .
Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm² .
A petroleum well is called 'dry', if it contains
A petroleum well is called 'dry', if it contains
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
Which of the following factors does not govern the mechanism of petroleum formation from organic sources?
Which of the following factors does not govern the mechanism of petroleum formation from organic sources?
Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm.
Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm.
Crude oil produced by Indian oil fields are predominantly __________ in nature.
Crude oil produced by Indian oil fields are predominantly __________ in nature.
Aniline point is the temperature at which
Aniline point is the temperature at which
The main reaction in reforming is the
The main reaction in reforming is the
Tetra-ethyl lead is added in gasoline to
Tetra-ethyl lead is added in gasoline to
Higher viscosity of lubricating oil usually signifies
Higher viscosity of lubricating oil usually signifies
Reforming converts
Reforming converts
In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
Which one is preferred for aircraft engine?
Which one is preferred for aircraft engine?
Products drawn from the top to bottom of the crude oil distillation column has progressively increasing
Products drawn from the top to bottom of the crude oil distillation column has progressively increasing
The doctor's solution comprises of sodium plumbite in
The doctor's solution comprises of sodium plumbite in
Petrolatum is
Petrolatum is
Ethyl mercaptan is a/an __________ compound.
Ethyl mercaptan is a/an __________ compound.
Which is almost absent in crude petroleum?
Which is almost absent in crude petroleum?
Pick out the wrong statement.
Pick out the wrong statement.
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.
Choose the correct statement regarding thermal cracking.
Choose the correct statement regarding thermal cracking.
Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.
Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen
Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic
Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic
Which of the following is not a sulphur compound present in petroleum ?
Which of the following is not a sulphur compound present in petroleum ?
Pick out the wrong statement.
Pick out the wrong statement.
The most widely used crude topping column in refineries is the __________ column.
The most widely used crude topping column in refineries is the __________ column.
In sweetening process, solutizer agent used with caustic alkali is
In sweetening process, solutizer agent used with caustic alkali is
__________ base crude oil is also called asphaltic crude.
__________ base crude oil is also called asphaltic crude.
Smoke point of kerosene expresses its
Smoke point of kerosene expresses its
Liquefied Petroleum Gas (LPG) is mainly a mixture of
Liquefied Petroleum Gas (LPG) is mainly a mixture of
Pick out the wrong statement.
Pick out the wrong statement.
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.
Mercapsol and Unisol processes are meant for the
Mercapsol and Unisol processes are meant for the
Which of the following is the easiest to crack?
Which of the following is the easiest to crack?
Higher vapour pressure of gasoline indicates
Higher vapour pressure of gasoline indicates
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
Sulphur content in lighter and heavier petroleum products is generally determined respectively by
Sulphur content in lighter and heavier petroleum products is generally determined respectively by
Pour point and freezing point is equal for
Pour point and freezing point is equal for
The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mmHg.
The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mmHg.
Crude petroleum oil is a __________ fuel.
Crude petroleum oil is a __________ fuel.
Testing of the knocking characteristics of petrofuels is done in a __________ engine.
Testing of the knocking characteristics of petrofuels is done in a __________ engine.
Which of the following constituents present in petroleum is responsible for ash formation?
Which of the following constituents present in petroleum is responsible for ash formation?
A good lubricant should have high
A good lubricant should have high
Mercaptans are added to liquefied petroleum gas (LPG) to
Mercaptans are added to liquefied petroleum gas (LPG) to
Cetane number of high speed diesel must be?
Cetane number of high speed diesel must be?
LSHS is a type of furnace oil, which
LSHS is a type of furnace oil, which
Clay treatment of petroleum products
Clay treatment of petroleum products
Flash point of a liquid petroleum fuel gives an idea about its
Flash point of a liquid petroleum fuel gives an idea about its
Polymerisation
Polymerisation
Carbon percentage (by weight) in crude petroleum may be about
Carbon percentage (by weight) in crude petroleum may be about
Casing head gasoline is the liquid
Casing head gasoline is the liquid
Thermofer catalytic cracking process is a __________ process.
Thermofer catalytic cracking process is a __________ process.
The most important property for a jet fuel is its
The most important property for a jet fuel is its
Platforming is a __________ process.
Platforming is a __________ process.
Lane and Garton classification of petroleum is based on its
Lane and Garton classification of petroleum is based on its
Hydrogen percentage (by weight) in crude petroleum may be about
Hydrogen percentage (by weight) in crude petroleum may be about
The order of preference for feedstock to a catalytic reformer is
The order of preference for feedstock to a catalytic reformer is
Flash point of an oil gives an idea of the
Flash point of an oil gives an idea of the
Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'.
Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'.
Sulphuric acid treatment of petroleum products removes the __________ materials.
Sulphuric acid treatment of petroleum products removes the __________ materials.
Solution used in Doctor's treatment for the removal of mercaptans is
Solution used in Doctor's treatment for the removal of mercaptans is
Presence of sulphur in gasoline
Presence of sulphur in gasoline
Cetane number of a diesel fuel is the measure of its
Cetane number of a diesel fuel is the measure of its
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.
True boiling point apparatus is used for the
True boiling point apparatus is used for the
Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as
Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as
Operating temperature and pressure in catalytic reforming is about
Operating temperature and pressure in catalytic reforming is about
Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene.
Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene.
The yield of straight run LPG from crude oil is about __________ weight percent.
The yield of straight run LPG from crude oil is about __________ weight percent.
Which of the following processes is used for the production of petroleum coke?
Which of the following processes is used for the production of petroleum coke?
Name the endothermic reaction out of the following:
Name the endothermic reaction out of the following:
Which of the following tests is not done for transformer oil?
Which of the following tests is not done for transformer oil?
Older crude petroleum
Older crude petroleum
The conductivity of crude oil-water mixture depends on the
The conductivity of crude oil-water mixture depends on the
LPG stands for
LPG stands for
Solvent used in Edeleanu process is
Solvent used in Edeleanu process is
Sweetening of petroleum product means the removal of
Sweetening of petroleum product means the removal of
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 ?
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 ?
Mercaptans are
Mercaptans are
Flash point of an oil is determined by the
Flash point of an oil is determined by the
Which of the following is the most widely used cracking process in oil refineries?
Which of the following is the most widely used cracking process in oil refineries?
Removal of light fractions from crude oil is called its
Removal of light fractions from crude oil is called its
Petroleum is believed to have originated from __________ sources.
Petroleum is believed to have originated from __________ sources.
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.
Flash point of atmospheric distillation residue is determined by __________ apparates.
Flash point of atmospheric distillation residue is determined by __________ apparates.
The general formula of naphthenes is
The general formula of naphthenes is
Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is
Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is
Pour point of a petrofuel is
Pour point of a petrofuel is
Carbon/hydrogen ratio (by weight) is maximum (out of following) for
Carbon/hydrogen ratio (by weight) is maximum (out of following) for
Deoiling is the process of removal of oil from wax. It is done by the __________ process.
Deoiling is the process of removal of oil from wax. It is done by the __________ process.
Cetane number of alpha methyl naphthalene is assumed to be
Cetane number of alpha methyl naphthalene is assumed to be
Natural gasoline is produced
Natural gasoline is produced
