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Multiple Choice Questions On Petroleum Refinery Engineering

The following Part consists of Multiple Selection Questions on Petroleum Refinery Engineering.
Set 1
Set 2
Set three
Set 4

Petroleum Refinery Engineering MCQ
1 factors
Diesel used in naval functions has a minimum cetane variety of

– 25
– 35
– 45
– 65
1 points
Which of the following exams will not be carried out for transformer oil

– Flash level and acid value.
– Aniline level.
– Dielectric energy.
– Copper strip corrosion take a look at.

1 factors
Which is probably the most undesirable part in kerosene
– Aromatics
– n-paraffins
– i-paraffins
– Naphthenes

1 factors
Select the incorrect assertion in regards to the smoking tendency of varied hydrocarbon constituents of kerosene.

– Smoking tendency of hydrocarbons will increase within the order : paraffins → isoparaffins → naphthenes → aromatics.
– Smoking tendency of paraffins increases with lower in its molecular weight.
– Smoking tendency of naphthenes decreases with its growing molecular weight & additionally on addition of double bond.
– Smoking tendency of aromatics decreases with enhance in its molecular weight.

1 points
Solvent utilized in duo-sol extraction for lube oil upgradation is a mixture of
– propane & phenol-cresol mixture.
– methyl ethyl ketone & glycol.
– phenol & furfural.
– propane & liquid sulphur dioxide.

1 factors
Which of the next fractions of a crude oil can have the utmost gravity API (i.e. °API)

– Diesel
– Gasoline
– Atmospheric fuel oil
– Vacuum fuel oil
1 factors
For gasoline, the flash point (<50°C) is determined by the

– Abel apparatus.
– Pensky-Marten’s apparatus.
– Saybolt chromometer.
– none of those.
1 factors
Flash point of atmospheric distillation residue is set by __________ apparates.

– Pensky-Martens (closed cup type).
– Abel.
– Cleveland (open cup kind)
– none of those.
1 factors
Most sulphur share in low sulphur heavy inventory (LSHS) furnace oil is about

– 0.1
– 2.5
– 3.5
– 1
1 points
Pour point and freezing point is equal for

– petrol
– diesel
– water
– crude petroleum
1 points
Smoke point of a test pattern of kerosene is found to be 15 mm. On removing of __________ from it, the smoke level rises to 25 mm.

– n-paraffins
– olefins
– aromatics
– none of these
1 factors
__________ shouldn’t be an necessary refinery course of for upgrading the standard of lubricating oil.

– Deoiling
– Solvent refinning
– Clay remedy
– Hydrotreatment
1 points
Casing head gasoline is the liquid

– butane
– propane
– natural gasoline.
– gasoline separated from wet natural gas by compression.
1 factors
Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.

– electric immersion
– pipestill
– steam coil
– none of these
1 factors
Viscosity index of a lubricating oil

– is the measure of its flash level.
– is the measure of variation of viscosity with temperature.
– should be low.
– none of these.

1 points
Visbreaking course of is used primarily for making
– excessive cetane diesel
– high octane gasoline
– gasoline oil
– smoke free kerosene

1 points
Crude oil is pumped by a __________ pump.
– gear
– screw
– centrifugal
– reciprocating

1 points
Solvent used in the deasphalting process is
– furfurol
– phenol
– propane
– hexane

1 points
A very good lubricant ought to have high
– viscosity index
– volatility
– pour point
– none of these

1 factors
Full removal of __________ from gasoline is completed by Unisol course of using caustic soda and methyl alcohol.

– waxes
– asphalt
– mercaptans
– diolefins
Petroleum Refinery Engineering MCQ 2

1 points
The main use of heavy gasoline oil produced by the vacuum distillation unit is as a
– blending part for kerosene.
– mixing part for petrol.
– feedstock for fluid catalytic cracking unit.
– none of these.

1 points
Stabilisation of gasoline (petrol) means
– removal of dissolved gases from it.
– rising its oxidation stability.
– enhancing its lead susceptibility.
– increasing its vapour pressure.

1 points
In petroleum refining, the method used for conversion of hydrocarbons to aromatics is
– catalytic cracking
– catalytic reforming
– hydrotreating
– alkylation

1 factors
Octane variety of gasoline is a measure of its
– knocking tendency.
– ignition delay.
– ignition temperature.
– smoke level.

1 factors
Pick the additive property of a lube oil out of following.
– °API gravity
– Specific gravity
– Viscosity
– Flashpoint

1 factors
Catalyst used in catalytic reforming is
– platinum on alumina
– nickel
– iron
– aluminium oil refinery directory chloride

1 factors
Tanks used for the storage of petroleum products (which are oil refinery directory inflammable) ought to be painted with a __________ paint.

– black
– purple
– white
– yellow
1 points
Cetane number of diesel used in trucks may be about

– 5
– 14
– 35
– 85
1 points
__________ check is finished to search out out the softening level of bitumen.

– Impact
– Ball and ring
– Flame
– Viscosity
1 points
__________ willpower just isn’t a very important and important check for gasoline.

– Gum & sulphur content material
– Viscosity
– Octane quantity
– Reid vapor strain
1 factors
Which of the next has the bottom viscosity (at a given temperature) of all

– Naphtha
– Kerosene
– Diesel
– Lube oil
1 factors
Paraffin base crude oil as in comparison with asphalt base crude gives

– increased yield of straight run gasoline.
– higher octane number gasoline.
– decrease viscosity index lube oil.
– poorer yield of lube oil.

1 factors
True boiling level apparatus is used for the
– willpower of characterisation factor.
– evaluation of oil stocks.
– determination of true vapour stress.
– none of those.

1 points
Within the atmospheric pressure crude distillation, the content material of __________ from lighter fraction to heavier ones.

– sulphur increases
– sulphur decreases
– nitrogen decreases
– none of these
1 factors
Answer utilized in Doctor’s therapy for the removal of mercaptans is

– sodium hydroxide
– sodium plumbite
– cupric chloride
– potassium isobutyrate
1 points
Flash level of motor gasoline may be around __________ °C.

– 10
– a hundred
– 150
– 45
1 points
__________ converts n-paraffins to i-paraffins.

– Alkylation
– Polymerisation
– Isomerisation
– none of these
1 factors
The colour of gasoline is a sign of its

– octane number.
– lead susceptibility.
– gum forming tendency & thoroughness of refining.
– none of these.

1 points
The octane number of aviation gasoline may be
– seventy nine
– 87
– 97
– >100

1 points
Furfural solvent extraction is used for upgrading (by dissolving aromatics)
– naphtha
– lubricating oils
– cracking feedstock
– wax

Petroleum Refinery Engineering MCQ three
1 points
Illuminating traits of kerosene is expressed by its

– smoke point
– aniline point
– luminosity number
– aromatic content material
1 points
Which of the following constituents present in petroleum is answerable for ash formation

– Nitrogen compounds
– Organometallic compounds
– Sulphur compounds
– Oxygen compounds
1 points
The coking course of usually largely utilized in Indian oil refineries is the __________ coking course of.

– delayed
– fluid
– flexi
– contact
1 factors
Choose the correct statement relating to thermal cracking.

– Moderate adjustments in operating temperature does not change the depth of cracking.
– Increased residence time outcomes within the decreased severity of cracking.
– At low stress, the yield of lighter hydrocarbons are more.
– Larger depth of cracking gives lower octane number gasoline.

1 points
A typical yield of diesel in straight run distillation of crude oil may be about __________ %.

– 8
– 28
– 38
– 35
1 points
Which is sort of absent in crude petroleum

– Olefins
– Mercaptans
– Naphthenes
– Cycloparaffins
1 points
Naphthenic acid is a/an __________ compound.

– sulphur
– nitrogen
– oxygen
– none of those
1 points
Glycol added to petrol acts as a/an __________ agent.

– anti-knocking
– anti-icing
– anti-gum forming
– dewaxing
1 factors
Catalytic cracking in comparison with thermal cracking of residue of vacuum distillation of crude oil

– provides higher yield of petrol.
– decrease octane variety of petrol.
– greater sulphur content within the product.
– larger gum forming material in petrol.

1 points
Which one is used to determine the color of petroleum merchandise
– Color comparator
– Saybolt chromometer
– Cleveland apparatus
– None of those

– Iso-paraffin crack faster than n-paraf-fin.
– Catalytic cracking is endothermic, but the regeneration of catalyst is exothermic.
– Price of decomposition of olefins in catalytic cracking is barely slower than the thermal cracking.
– None of these.

1 factors
Feedstock for the manufacturing of biodiesel is
– natural plants
– used vegetable oils
– LSHS
– bagasse

1 points
The correct association of the petroleum fractions in order of their boiling factors is
– lubricating oil > diesel > petrol > LPG
– lubricating oil > petrol > diesel > LPG
– petrol > lubricating oil > diesel > LPG
– petrol > diesel > LPG > lubricating oil

1 factors
Octane number of gasoline produced by two stage fluidised catalytic cracking process is
– 80
– 87
– ninety seven
– ninety two

– Larger particular gravity of petroleum products means greater C/H ratio.
– Aromatics have lower particular gravity than corresponding paraffins.
– Hydrocarbons of low specific gravity (e.g, paraffins) possess the utmost thermal vitality per unit volume.
– Hydrocarbons of high specific gravity (eg, aromatics) possess the utmost thermal energy per unit weight.

1 factors
Select the unsuitable assertion.
– Higher temperature is employed in visbreaking than in thermal cracking.
– Pyrolysis is a mild thermal cracking process.
– Lead suceptibility of petrol produced by catalytic process is greater than that produced by thermal cracking.
– Operating stress and temperature in thermal cracking course of is greater than that in catalytic cracking course of.

1 factors
Testing of the knocking characteristics of petrofuels is completed in a __________ engine.
– Carnot
– CFR (Co-operative fuel analysis)
– Stirling
– diesel

1 factors
Identify the hydrocarbon having the poorest oxidation stability.
– naphthene
– paraffin
– olefin
– aromatics

1 factors
The primary crude oil refinery of India is located at
– Naharkatiya
– Kochin
– Digboi
– Madras

20. Query 20 of 20
20. Question
1 factors
Olefins are

– saturated hydrocarbons.
– unsaturated cyclic compounds (hydrocarbons).
– current in considerably good amount in crude petroleum.
– none of these.

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Petroleum Refinery Engineering MCQ four
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Categories
1. Engineering 0%

1. 1
2. 2
3. 3
4. Four
5. 5
6. 6
7. 7
8. Eight
9. 9
10. 10
11. 11
12. 12
thirteen. Thirteen
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20

1. Answered
2. Evaluation
1. Question 1 of 20
1. Query

1 factors
Which of the following is desirable in diesel and kerosene but is undersirable in gasoline

– Aromatics
– Mercaptans
– Paraffins
– Naphthenic acid
2. Question 2 of 20
2. Question

1 points
Phenols are added in gasoline to
– enhance the octane quantity.
– act as an antioxidant.
– scale back its viscosity.
– increase its pour level.

3. Question 3 of 20
three. Query
1 points
The common boiling level of aviation turbine gas is closest to that of

– lubricating oils
– LPG
– diesel
– Kerosene
4. Question four of 20
4. Query

1 factors
Crude oil is transported inland from oil area to refineries, mainly by the
– street tankers
– rail tankers
– underground pipelines
– none of those

5. Query 5 of 20
5. Question
1 points
The most generally used crude topping column in refineries is the __________ column.

– bubble-cap
– packed bed
– fluidised bed
– perforated plate
6. Query 6 of 20
6. Question

1 factors
Preheating temperature of medium viscosity furnace oil for higher atomisation by means of burner is about __________ °C.

– 50
– 70
– 90
– 140
7. Query 7 of 20
7. Question

1 factors
Molecular weight of crude petroleum may be around
– 50
– 250
– 5000
– 1500

8. Query 8 of 20
eight. Question
1 factors
Mercaptans is represented as (where R and R’ are alkyl groups)

– R-COOH
– R-S-R
– R-S-R’
– R-S-H
9. Question 9 of 20
9. Query

1 points
Petrolatum is
– similar as petroleum ether.
– petroleum coke.
– a mixture of microcrystalline wax in viscous hydrocarbon liquids.
– none of those.

10. Query 10 of 20
10. Query
1 points
An upper limit of oil content is proscribed to about __________ p.c for achieving efficient and satisfactory stage of wax sweating.

– 5
– 15
– 40
– 60
11. Question 11 of 20
eleven. Question

1 points
Predominant boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil nicely could also be about __________ kms.

– Zero.1 to zero.5
– 1.5 to four.5
– 7.5 to 12.5
– 15-20
12. Query 12 of 20
12. Question

1 factors
Sulphur content material in lighter and heavier petroleum products is usually decided respectively by

– lamp methodology and bomb technique.
– bomb technique and lamp methodology.
– bomb technique and quartz tube methodology.
– quartz tube technique and lamp methodology.

Thirteen. Question thirteen of 20
13. Query
1 factors
Equal volumes of aniline and diesel oil when mixed at room temperature (during summer time) was discovered to be completely mis-cible. It means that the aniline level of the diesel is __________ the room temperature.

– greater than
– less than
– identical as
– either roughly; is determined by the room temperature
14. Question 14 of 20
14. Query

1 factors
Butadiene is a/an
– di-olefin
– aromatic
– naphthene
– olefin

15. Question 15 of 20
15. Question
1 points
Antioxidants are added in petrol to

– impart color to it, for simple identification.
– minimise the gum formation.
– prevent icing of the carburettor.
– stop the lead build up in engines.

16. Query sixteen of 20
sixteen. Question
1 factors
Gasoline extracted from pure gas (by compression and cooling) is named the __________ gasoline.

– polymer
– unleaded
– casing head
– straight run
17. Query 17 of 20
17. Question

1 points
Which of the following categories of gasoline has the highest lead susceptibility
– Straight run gasoline
– Platinum reformed gasoline
– Catalytical cracked gasoline
– Polymer gasoline

18. Question 18 of 20
18. Question
1 factors
Gum formation in stored gasoline is mainly because of the

– alkylation of unsaturates.
– presence of sulphur.
– oxidation & polymerisation of unsaturates.
oil refinery directory – higher aromatic content.

19. Question 19 of 20
19. Query
1 points
Flash level of an oil is determined by the

– Pensky Martens apparatus.
– Ramsbottom apparatus.
– Saybolt viscometer.
– Conradson apparatus.

Correct
Incorrect

20. Question 20 of 20
20.

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