a new energy, types of soil found in uttar pradesh,The Refining Process. Photo and content courtesy of CVR Energy. Generally, crude petroleum is heated and changed into a gas.

A number of Choice Questions On Petroleum Refinery Engineering

The following Part consists of A number of Alternative Questions on Petroleum Refinery Engineering.

2000m3 storage tank

Set 1
Set 2
Set 3
Set 4

Petroleum Refinery Engineering MCQ
1 factors
Diesel used in naval purposes has a minimum cetane number of

– 25
– 35
– 45
– sixty five
1 factors
Which of the next assessments is not done for transformer oil

– Flash point and acid value.
– Aniline level.
– Dielectric energy.
– Copper strip corrosion check.

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

1 points
Pick out the unsuitable statement about the smoking tendency of varied hydrocarbon constituents of kerosene.

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

1 factors
Solvent used 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 points
Which of the following fractions of a crude oil could have the maximum gravity API (i.e. °API)

– Diesel
– Gasoline
– Atmospheric gas oil
– Vacuum gasoline oil
1 points
For gasoline, the flash level (<50°C) is determined by the

– Abel apparatus.
– Pensky-Marten’s apparatus.
– Saybolt chromometer.
– none of these.
1 factors
Flash level of atmospheric distillation residue is determined by __________ apparates.

– Pensky-Martens (closed cup sort).
– Abel.
– Cleveland (open cup kind)
– none of those.
1 points
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about

– zero.1
– 2.5
– three.5
– 1
1 points
Pour point and freezing level is equal for

– petrol
– diesel
– water
– crude petroleum
1 factors
Smoke level of a take a look at pattern of kerosene is discovered to be 15 mm. On elimination of __________ from it, the smoke point rises to 25 mm.

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

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

– butane
– propane
– pure gasoline.
– gasoline separated from wet natural gas by compression.
1 points
Mostly used crude heater earlier than the fractionation tower in a refinery is the __________ heater.

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

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

1 factors
Visbreaking course of is used mainly for making
– excessive cetane diesel
– high octane gasoline
– gas oil
– smoke free kerosene

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

1 factors
Solvent used within the deasphalting process is
– furfurol
– phenol
– propane
– hexane

1 points
A great lubricant should have high
– viscosity index
– volatility
– pour level
– none of these

1 points
Complete removing of __________ from gasoline is completed by Unisol process using caustic soda and methyl alcohol.

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

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

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

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

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

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

1 points
Catalyst utilized in catalytic reforming is
– platinum on alumina
– nickel
– iron
– aluminium chloride

1 points
Tanks used for the storage of petroleum products (that are inflammable) should be painted with a __________ paint.

– black
– crimson
– white
– yellow
1 points
Cetane number of diesel utilized in trucks may be about

– 5
– 14
– 35
– eighty five
1 factors
__________ test is done to search out out the softening point of bitumen.

– Influence
– Ball and ring
– Flame
– Viscosity
1 factors
__________ willpower shouldn’t be a very important and essential check for gasoline.

– types of soil found in uttar pradesh Gum & sulphur content
– Viscosity
– Octane number
– Reid vapor stress
1 points
Which of the following has the lowest viscosity (at a given temperature) of all

– Naphtha
– Kerosene
– Diesel
– Lube oil
1 points
Paraffin base crude oil as in comparison with asphalt base crude offers

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

1 points
True boiling point apparatus is used for the
– dedication of characterisation factor.
– evaluation of oil stocks.
– determination of true vapour pressure.
– none of these.

1 factors
Within the atmospheric strain crude distillation, the content of __________ from lighter fraction to heavier ones.

– sulphur increases
– sulphur decreases
– nitrogen decreases
– none of these
1 points
Resolution utilized in Doctor’s treatment for the elimination of mercaptans is

– sodium hydroxide
– sodium plumbite
– cupric chloride
– potassium isobutyrate
1 factors
Flash point of motor gasoline may be round __________ °C.

– 10
– one hundred
– 150
– forty five
1 points
__________ converts n-paraffins to i-paraffins.

– Alkylation
– Polymerisation
– Isomerisation
– none of these
1 points
The color of gasoline is a sign of its

– octane quantity.
– lead susceptibility.
– gum forming tendency & thoroughness of refining.
– none of those.

1 factors
The octane variety of aviation gasoline may be
– 79
– 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 3
1 points
Illuminating characteristics of kerosene is expressed by its

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

– Nitrogen compounds
– Organometallic compounds
– Sulphur compounds
– Oxygen compounds
1 points
The coking process normally mostly used in Indian oil refineries is the __________ coking course of.

– delayed
– fluid
– flexi
– contact
1 points
Select the correct assertion concerning thermal cracking.

– Average adjustments in operating temperature does not change the depth of types of soil found in uttar pradesh cracking.
– Elevated residence time results in the decreased severity of cracking.
– At low stress, the yield of lighter hydrocarbons are extra.
– Higher depth of cracking provides lower octane number gasoline.

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

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

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

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

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

– offers greater yield of petrol.
– lower octane variety of petrol.
– larger sulphur content in the product.
– greater gum forming material in petrol.

1 points
Which one is used to determine the colour of petroleum merchandise
– Colour comparator
– Saybolt chromometer
– Cleveland apparatus
– None of these

– Iso-paraffin crack sooner than n-paraf-fin.
– Catalytic cracking is endothermic, however the regeneration of catalyst is exothermic.
– Price of decomposition of olefins in catalytic cracking is slightly slower than the thermal cracking.
– None of those.

1 points
Feedstock for the manufacturing of biodiesel is
– herbal plants
– used vegetable oils
– LSHS
– bagasse

1 points
The right arrangement of the petroleum fractions in order of their boiling points is
– lubricating oil > diesel > petrol > LPG
– lubricating oil > petrol > diesel > LPG
– petrol > lubricating oil > diesel > LPG
– petrol > diesel > LPG > lubricating oil

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

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

1 points
Pick out the flawed statement.
– Larger temperature is employed in visbreaking than in thermal cracking.
– Pyrolysis is a mild thermal cracking course of.
– Lead suceptibility of petrol produced by catalytic process is greater than that produced by thermal cracking.
– Operating stress and temperature in thermal cracking process is more than that in catalytic cracking course of.

1 points
Testing of the knocking characteristics of petrofuels is done in a __________ engine.
– Carnot
– CFR (Co-operative gas research)
– Stirling
– diesel

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

1 factors
The first crude oil refinery of India is positioned at
– Naharkatiya
– Kochin
– Digboi
– Madras

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

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

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Classes
1. Engineering zero%

1. 1
2. 2
3. 3
four. Four
5. 5
6. 6
7. 7
8. Eight
9. 9
10. 10
11. 11
12. 12
thirteen. 13
14. 14
15. 15
sixteen. 16
17. 17
18. 18
19. 19
20. 20

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

1 points
Which of the following is fascinating in diesel and kerosene however is undersirable in gasoline

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

1 points
Phenols are added in gasoline to
– improve the octane number.
– act as an antioxidant.
– cut back its viscosity.
– improve its pour level.

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

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

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

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

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

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

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

1 points
Molecular weight of crude petroleum could also be round
– 50
– 250
– 5000
– 1500

eight. Query 8 of 20
eight. Query
1 points
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. Question

1 factors
Petrolatum is
– identical 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 factors
An higher restrict of oil content material is proscribed to about __________ % for reaching environment friendly and satisfactory level of wax sweating.

– 5
– 15
– forty
– 60
eleven. Question 11 of 20
eleven. Query

1 factors
Main boring diameter for petroleum properly is 20-30 cms in diameter, while the depth of the oil effectively could also be about __________ kms.

– 0.1 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 mostly decided respectively by

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

13. Query thirteen of 20
13. Question
1 factors
Equal volumes of aniline and diesel oil when blended at room temperature (throughout summer season) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature.

– greater than
– less than
– similar as
– either kind of; is dependent upon the room temperature
14. Query 14 of 20
14. Query

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

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

– impart colour to it, for straightforward identification.
– minimise the gum formation.
– prevent icing of the carburettor.
– forestall the lead construct up in engines.

16. Question 16 of 20
16. Query
1 points
Gasoline extracted from natural fuel (by compression and cooling) is known as the __________ gasoline.

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

1 points
Which of the following categories of gasoline has the best lead susceptibility
– Straight run gasoline
– Platinum reformed gasoline
– Catalytical cracked gasoline
types of soil found in uttar pradesh – Polymer gasoline

18. Question 18 of 20
18. Query
1 factors
Gum formation in stored gasoline is primarily due to the

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

19. Query 19 of 20
19. Query
1 factors
Flash point of an oil is determined by the

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

Appropriate
Incorrect

20. Query 20 of 20
20.