MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Chemical Engineering
Petroleum Refinery Engineering
Quiz 3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Q.1
The catalytic cracking of heavier petroleum fraction is done to produce mainly
Gasoline
Asphalt
Diesel oil
Tar
Q.2
Which of the following is the most suitable feed for platforming process (reforming)?
Olefinic hydrocarbon
Naphtha
Fuel oil
Atmospheric residue
Q.3
Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c).
One fourth
One third
Half
One eighth
Q.4
Maximum use of petroleum coke is in
Adsorption refining operation
Fuel gas manufacture
Carbon electrode manufacture
Iron ore reduction
Q.5
Aniline point of the diesel is a measure of its __________ content.
Aromatic
Paraffin
Olefin
Naphthene
Q.6
__________ converts n-paraffins to i-paraffins.
Alkylation
Polymerisation
Isomerisation
None of these
Q.7
C
n
H
2n
is the general formula for
Olefins
Naphthenes
Both A & B
Neither A nor B
Q.8
For gasoline, the flash point (<50°C) is determined by the
Abel apparatus
Pensky-Marten's apparatus
Saybolt chromometer
None of these
Q.9
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).
5-10
30-80
150-250
350-400
Q.10
High aniline point of diesel indicates that, it
Is highly aromatic
Has a large ignition delay
Is highly paraffinic
Has a low diesel index
Q.11
Catalyst used in the isomerisation is
Aluminium chloride
Alumina
Nickel
Phosphoric acid
Q.12
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of
Aromatics
Paraffins
Olefins
Naphthenes
Q.13
The coking process normally mostly used in Indian oil refineries is the __________ coking process.
Delayed
Flexi
Fluid
Contact
Q.14
Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration
Less than 90% promotes polymerisation
More than 98% promotes cracking
Both A & B
Neither A nor B
Q.15
Diesel index.(an alternative index for expressing the quality of diesel) is
Determined by using a test engine
Not related to aniline point
Equal to cetane number plus 3
All of the above
Q.16
__________ treatment is done for appreciable improvement in viscosity index of lubricating oil.
Acid
Solvent extraction
Alkali
Clay
Q.17
Specific gravity of a petroleum product gives an indication of its
Degree of refinement
Hydrocarbon content type (aromatic or paraffinic)
Ease of atomisation
Sulphur content
Q.18
Which of the following petroleum products contain minimum sulphur?
Naphtha
Kerosene
LSHS
Furnace oil
Q.19
Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its
Molecular weight
Aromatics content
Both A & B
Neither A nor B
Q.20
Smoke point of kerosene is the
Time after which smoking starts on burning
Temperature at which smoking starts
Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp
None of these
Q.21
The colour of gasoline is an indication of its
Octane number
Lead susceptibility
Gum forming tendency & thoroughness of refining
None of these
Q.22
Boiling range of motor gasoline is an indication of the
Case of starting
Rate of acceleration
Vapour locking tendency
All of the above
Q.23
In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
100
200-300
1000-10000
10
Q.24
Ethyl mercaptan is a/an __________ compound.
Sulphur
Nitrogen
Oxygen
None of these
Q.25
Lane and Garton classification of petroleum is based on its
Composition
Specific gravity
Optical properties
Viscosity
Q.26
The main reaction in reforming is the
Dehydrogenation of naphthenes
Hydrogenation of naphthenes
Hydrocracking of paraffins
Saturation of olefins
Q.27
Petroleum is believed to have originated from __________ sources.
Vegetable
Animal
Both A & B
Neither A nor B
Q.28
Operating temperature and pressure in catalytic reforming is about
1-5 Kgf/cm² & 200°C
15-45 Kgf/cm² & 450-550°C
50 - 75 kgf/cm² & 600 - 800°C
5-10 kgf/cm² & 150 - 250°C
Q.29
Pick out the wrong statement.
Alkylation produces a larger iso-paraf-fin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin
Catalytic alkylation processes use HF, AlCl3 & H₂SO₄ as Catalysts
All the alkylation processes use very high temperature (> 1000°C)
Gasoline having an octane number of 90 can be produced by alkylation process
Q.30
Carbon percentage (by weight) in crude petroleum may be about
65
75
85
95
Q.31
Hydrogen percentage (by weight) in crude petroleum may be about
5
15
25
35
Q.32
Products drawn from the top to bottom of the crude oil distillation column has progressively increasing
Boiling points
Molecular weight
C/H ratio
All of the above
Q.33
Road grade bitumen is produced from vacuum residue by its
Aeration
Pyrolysis
Hydrogenation
Steam reforming
Q.34
Visbreaking process is used mainly for making
High cetane diesel
High octane gasoline
Fuel oil
Smoke free kerosene
Q.35
Butadiene is a/an
Di-olefin
Naphthene
Aromatic
Olefin
Q.36
Both asphalt and wax are produced by __________ base crude oils.
Naphthenic
Asphalt
Paraffin
Mixed
Q.37
Paraffins are desirable in lubricating oil, as it has got high
Viscosity
Viscosity index
Smoke point
Pour point
Q.38
Research octane number refers to the
Low octane number motor fuels
High octane number motor fuels
High octane number aviation fuels
Unleaded motor fuels
Q.39
Choose the correct statement.
Octane number of i-octane is zero
Octane number of paraffins increases with increasing number of carbon atoms
Branched chain paraffins have higher octane number than straight chain paraffins with same number of carbon atoms
The aromatics have lower octane number than naphthenes with same number of carbon atoms
Q.40
Choose the correct statement.
Coking tendency increases with increasing molecular weight
Coking tendency decreases with increasing molecular weight
Higher pressure enhances coke formation
Coking is an exothermic reaction
Q.41
Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene.
Smoke point
Paraffins
Aromatics
Naphthenes
Q.42
Petroleum coke is commercially produced by the __________ process.
Hydrocracking
Visbreaking
Fluid catalytic cracking
Delayed coking
Q.43
Glycol added to petrol acts as a/an __________ agent.
Anti-knocking
Anti-icing
Anti-gum forming
Dewaxing
Q.44
Alkylation
Causes olefins to combine with each other
Causes olefins to combine with iso-paraffins
Converts iso-paraffin into olefin
Converts olefin into paraffin
Q.45
Which of the following reactions is undesirable in the production of catalytically reformed gasoline?
Dehydrogenation of naphthene
Dehydrogenation of lower paraffins
Dehydrocyclisation of higher paraffins
Isomerisation of paraffins
Q.46
Aniline point is the
Characteristic property of diesel & lubricating oils
Measure of aromatic content of oil
Both A & B
Neither A nor B
Q.47
Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene?
Reforming
Pyrolysis
Alkylation
Hydrocracking
Q.48
Water content in the crude oil as it comes out of oil well may be upto __________ percent.
2
5
10
25
Q.49
Which of the following has the highest viscosity of all (at a given temperature)?
Naphtha
Fuel oil
Light diesel oil
Petrol
Q.50
Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline.
Polymer
Unleaded
Casing head
Straight run
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page