MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Chemical Engineering
Petroleum Refinery Engineering
Quiz 4
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
Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke?
Naphtha
Vacuum residue
Light gas oil
Diesel
Q.2
Which of the following has the highest octane number?
Aromatics
I-paraffins
Naphthenes
Olefins
Q.3
Asphalts are
Low molecular weight & low boiling point compounds present in petroleum
Desirable in catalytic cracking feedstock, because they produce coke
Readily oxidisable and form carbonaceous sludge
All of the above
Q.4
Clay treatment is used to remove
Salt from the crude oil
Colour & dissolved gases from cracked gasoline
Wax from lube oil
None of these
Q.5
Pick out the correct statement about catalytic polymerisation.
H₂SO₄ polymerisation process gives gasoline rich in unsaturates
In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive
Both A & B
Neither A nor B
Q.6
Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C.
50
70
90
140
Q.7
The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol.
3
300
3000
1000
Q.8
True vapour pressure of a petroleum fraction __________ Reid vapour pressure.
Is less than
Is more than
Is same as
May be either more or less than
Q.9
Which of the following additives improves the cetane number of diesel?
Amyl nitrate
Ethyl mercaptan
Napthenic acid
Tetra ethyl lead
Q.10
Which of the following is an additive used for improving the cetane number of diesel?
Tetraethyl lead
Tetramethyllead
Ethyl nitrate or acetone
None of these
Q.11
Breathing loss on storage of gasoline occurs due to the
Presence of unsaturated air
Fluctuation of ambient temperature during day and night
Both A & B
Neither A nor B
Q.12
Octane number of n-heptane is assumed to be
100
0
70
∞
Q.13
Which of the following is used as a solvent in deasphalting of petroleum products?
Furfural
Propane
Methyl ethyl ketone
Liquid sulphur dioxide
Q.14
Which of the following categories of gasoline has the highest lead susceptibility?
Straight run gasoline
Platinum reformed gasoline
Catalytical cracked gasoline
Polymer gasoline
Q.15
The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to
Obviate catalyst poisoning
Maintain the reaction temperature
Sustain the reactor pressure
Hydrogenate the feed stock
Q.16
Pyrolysis of kerosene or natural gasoline is done to produce mainly the
Olefins and aromatics
Lighter paraffins
Stabilised gasoline
Diesel
Q.17
Octane number (unleaded) of reformed gasoline may be upto
60
70
80
90
Q.18
The reservoir rock containing petroleum has
Low porosity
High permeability
High porosity
Both B and C
Q.19
Sour crude means the __________ bearing crude.
Asphalt
Sulphur compounds
Wax
Nitrogen compounds
Q.20
The characterisation factor of crude petroleum oil is around
3
11
22
28
Q.21
With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products
Decreases
Increases
Remains same
Unpredictable from the data
Q.22
Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature.
More than
Less than
Same as
Either more or less; depends on the room temperature
Q.23
Octane numbers of motor gasoline used in India and America are respectively
87 & 94
94 & 87
94 & 100
83 & 100
Q.24
Catalyst used in alkylation process is
Sulphuric acid
Nickel
Silica gel
Alumina
Q.25
Molecular weight of petrol may be about
40-60
100-130
250-300
350-400
Q.26
Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is
More than 100
Round about 100
Between 50 and 100
Less than 25
Q.27
Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is
1
2
3
4
Q.28
Waxes present in petroleum products
Can be separated out by distillation
Are not soluble in them
Crystallise out at low temperature
Decrease their viscosity
Q.29
Which of the following is desirable in diesel and kerosene but is undersirable in gasoline?
Aromatics
Mercaptans
Paraffins
Naphthenic acid
Q.30
Penetration test determines the __________ of the grease.
Stiffness
Lubricating properties (e.g. oilness)
Service temperature
Variation in viscosity with temperature
Q.31
Isomerisation converts the __________ tot-paraffins.
Paraffins
Olefins
Naphthenes
None of these
Q.32
Petroleum deposits are detected by the.
Oil seepage at the surface of the earth
Measuremet of density, elasticity and magnetic & electric properties of the rock in the crust of the earth
Age & nature of rocks inside the crust of the earth
All of the above
Q.33
Gum formation in stored gasoline is mainly due to the
Alkylation of unsaturates
Presence of sulphur
Oxidation & polymerisation of unsaturates
Higher aromatic content
Q.34
Which is the most effective catalyst used in catalytic cracking of petroleum products?
Iron oxide
Nickel
Vanadium pentoxide
Zeolite
Q.35
The main aim of cracking is to produce
Gasoline
Lube oil
Petrolatum
Coke
Q.36
Octane number of gasoline produced by two stage fluidised catalytic cracking process is
80
87
92
97
Q.37
Which of the following is a non-regenerative fixed bed catalytic reforming process?
Hydroforming
Thermofer catalytic reforming
Platforming
Hyperforming
Q.38
Which of the following processes consumes hydrogen?
Fluid catalytic cracking
Visbreaking
Propane deasphalting
None of these
Q.39
Performance number of a liquid fuel is related to its
Wax content
Spontaneous ignition temperature
Knocking tendency
Sulphur content
Q.40
Which of the following gasolines (unleaded) has the least octane number?
Catalytically cracked gasoline
Straight run gasoline
Catalytically reformed gasoline
Polymer gasoline
Q.41
The characterisation factor of a crude oil is calculated as 12.5. It means that; it is
Paraffinic
Naphthenic
Intermediate
None of these
Q.42
Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners?
PCM
Tar
Light diesel oil
Low viscosity furnace oil
Q.43
Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has
High pour point and low smoke point
Low viscosity index
High self-ingnition temperature
All of the above
Q.44
In case of liquid petrofuels, momentary combustion is observed at its
Flash point
Preheating temperature corresponding to viscosity of 25 centistokes
Flame temperature
Fire point
Q.45
Main constituent of natural gas is
CH₄
C₂H₂
C₂H₄
C₂H₆
Q.46
Molecular weight of crude petroleum may be around
50
250
1500
5000
Q.47
Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel).
0.03
3
35
70
Q.48
Aniline point test of an oil qualitatively indicates the __________ content of an oil.
Paraffin
Olefin
Aromatic
Naphthene
Q.49
Which of the following is desirable in petrol (gasoline) but undesirable in kerosene?
Paraffins
Aromatics
Mercaptans
Naphthenic acid
Q.50
Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene.
1
20
100
500
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