Petrolatum is
Petrolatum is
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.
Crude oil produced by Indian oil fields are predominantly __________ in nature.
Crude oil produced by Indian oil fields are predominantly __________ in nature.
The doctor's solution comprises of sodium plumbite in
The doctor's solution comprises of sodium plumbite in
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
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
The main reaction in reforming is the
The main reaction in reforming is the
A good lubricant should have high
A good lubricant should have high
Presence of aromatics in
Presence of aromatics in
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.
The general formula of naphthenes is
The general formula of naphthenes is
Pour point of a petrofuel is
Pour point of a petrofuel is
Higher vapour pressure of gasoline indicates
Higher vapour pressure of gasoline indicates
Smoke point of kerosene expresses its
Smoke point of kerosene expresses its
Polymerisation
Polymerisation
Lane and Garton classification of petroleum is based on its
Lane and Garton classification of petroleum is based on its
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.
Pick out the wrong statement.
Pick out the wrong statement.
Crude oil is pumped by a __________ pump.
Crude oil is pumped by a __________ pump.
Casing head gasoline is the liquid
Casing head gasoline is the liquid
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 ?
Which of the following is the easiest to crack?
Which of the following is the easiest to crack?
Mercapsol and Unisol processes are meant for the
Mercapsol and Unisol processes are meant for the
Which of the following is not a sulphur compound present in petroleum ?
Which of the following is not a sulphur compound present in petroleum ?
Hydrogen percentage (by weight) in crude petroleum may be about
Hydrogen percentage (by weight) in crude petroleum may be about
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.
Pick out the wrong statement.
Pick out the wrong statement.
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?
Flash point of an oil is determined by the
Flash point of an oil is determined by the
The conductivity of crude oil-water mixture depends on the
The conductivity of crude oil-water mixture depends on the
In catalytic alkylation, higher iso-butane to olefin ratio gives
In catalytic alkylation, higher iso-butane to olefin ratio gives
Flash point of atmospheric distillation residue is determined by __________ apparates.
Flash point of atmospheric distillation residue is determined by __________ apparates.
Clay treatment of petroleum products
Clay treatment of petroleum products
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.
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.
Mercaptans are added to liquefied petroleum gas (LPG) to
Mercaptans are added to liquefied petroleum gas (LPG) to
Liquefied Petroleum Gas (LPG) is mainly a mixture of
Liquefied Petroleum Gas (LPG) is mainly a mixture of
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.
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 .
Sweetening of petroleum product means the removal of
Sweetening of petroleum product means the removal of
Cetane number of alpha methyl naphthalene is assumed to be
Cetane number of alpha methyl naphthalene is assumed to be
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.
The most important property for a jet fuel is its
The most important property for a jet fuel is its
Aniline point is the temperature at which
Aniline point is the temperature at which
Operating temperature and pressure in catalytic reforming is about
Operating temperature and pressure in catalytic reforming is about
Natural gasoline is produced
Natural gasoline is produced
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
Cetane number of a diesel fuel is the measure of its
Cetane number of a diesel fuel is the measure of its
Pour point and freezing point is equal for
Pour point and freezing point is equal for
Solvent used in Edeleanu process is
Solvent used in Edeleanu process is
Solution used in Doctor's treatment for the removal of mercaptans is
Solution used in Doctor's treatment for the removal of mercaptans is
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
Flash point of an oil gives an idea of the
Flash point of an oil gives an idea of the
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.
In sweetening process, solutizer agent used with caustic alkali is
In sweetening process, solutizer agent used with caustic alkali is
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?
Which of the following tests is not done for transformer oil?
Which of the following tests is not done for transformer oil?
A petroleum well is called 'dry', if it contains
A petroleum well is called 'dry', if it contains
Pick out the wrong statement.
Pick out the wrong statement.
Ethyl mercaptan is a/an __________ compound.
Ethyl mercaptan is a/an __________ compound.
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.
Name the endothermic reaction out of the following:
Name the endothermic reaction out of the following:
Sulphuric acid treatment of petroleum products removes the __________ materials.
Sulphuric acid treatment of petroleum products removes the __________ materials.
The order of preference for feedstock to a catalytic reformer is
The order of preference for feedstock to a catalytic reformer is
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.
Thermofer catalytic cracking process is a __________ process.
Thermofer catalytic cracking process is a __________ process.
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 one is preferred for aircraft engine?
Which one is preferred for aircraft engine?
Higher viscosity of lubricating oil usually signifies
Higher viscosity of lubricating oil usually signifies
Testing of the knocking characteristics of petrofuels is done in a __________ engine.
Testing of the knocking characteristics of petrofuels is done in a __________ engine.
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
Crude petroleum oil is a __________ fuel.
Crude petroleum oil is a __________ fuel.
Older crude petroleum
Older crude petroleum
Carbon percentage (by weight) in crude petroleum may be about
Carbon percentage (by weight) in crude petroleum may be about
LSHS is a type of furnace oil, which
LSHS is a type of furnace oil, which
__________ base crude oil is also called asphaltic crude.
__________ base crude oil is also called asphaltic crude.
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
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
Platforming is a __________ process.
Platforming is a __________ process.
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?
Flash point of a liquid petroleum fuel gives an idea about its
Flash point of a liquid petroleum fuel gives an idea about its
Mercaptans are
Mercaptans are
True boiling point apparatus is used for the
True boiling point apparatus is used for the
Removal of light fractions from crude oil is called its
Removal of light fractions from crude oil is called its
Tetra-ethyl lead is added in gasoline to
Tetra-ethyl lead is added in gasoline to
The most widely used crude topping column in refineries is the __________ column.
The most widely used crude topping column in refineries is the __________ column.
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?
Which is almost absent in crude petroleum?
Which is almost absent in crude petroleum?
LPG stands for
LPG stands for
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.
Petroleum is believed to have originated from __________ sources.
Petroleum is believed to have originated from __________ sources.
Presence of sulphur in gasoline
Presence of sulphur in gasoline
Reforming converts
Reforming converts
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'.
Carbon/hydrogen ratio (by weight) is maximum (out of following) for
Carbon/hydrogen ratio (by weight) is maximum (out of following) for
Cetane number of high speed diesel must be?
Cetane number of high speed diesel must be?
