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Free download in PDF Petroleum Refinery Engineering General Knowledge Multiple Choice Questions(MCQs) with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
61
Sulphur content in lighter and heavier petroleum products is generally determined respectively by _______________?
[A]
Lamp method and bomb method
[B]
Bomb method and lamp method
[C]
Bomb method and quartz tube method
[D]
Quartz tube method and lamp method
Answer: Bomb method and lamp method
62
True boiling point apparatus is used for the__________________?
[A]
Determination of characterisation factor
[B]
Evaluation of oil stocks
[C]
Determination of true vapour pressure
[D]
None of these
63
Which one is used to determine the colour of petroleum products ?
[A]
Colour comparator
[B]
Saybolt chromometer
[C]
Cleveland apparatus
[D]
None of these
Answer: Colour comparator
64
Tanks used for the storage of petroleum products (which are inflammable) should be painted with a ______________ paint?
[A]
Black
[B]
White
[C]
Red
[D]
Yellow
65
Butadiene is a/an_________________?
[A]
Di-olefin
[B]
Naphthene
[C]
Aromatic
[D]
Olefin
66
The main use of heavy gas oil produced by the vacuum distillation unit is as a_____________________?
[A]
Blending component for kerosene
[B]
Blending component for petrol
[C]
Feedstock for fluid catalytic cracking unit
[D]
None of these
Answer: Feedstock for fluid catalytic cracking unit
67
The most widely used crude topping column in refineries is the ______________ column?
[A]
Bubble-cap
[B]
Packed bed
[C]
Fluidised bed
[D]
Perforated plate
68
Most commonly used crude heater before the fractionation tower in a refinery is the ______________ heater?
[A]
Electric immersion
[B]
Pipestill
[C]
Steam coil
[D]
None of these
69
Glycol added to petrol acts as a/an ________________ agent ?
[A]
Anti-knocking
[B]
Anti-icing
[C]
Anti-gum forming
[D]
Dewaxing
70
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about_________________?
[A]
0.1
[B]
1
[C]
2.5
[D]
3.5
71
Antioxidants are added in petrol to _____________________?
[A]
Impart colour to it, for easy identification
[B]
Minimise the gum formation
[C]
Prevent icing of the carburettor
[D]
Prevent the lead build up in engines
Answer: Minimise the gum formation
72
Mercaptans is represented as (where R and R’ are alkyl groups) _____________________?
[A]
R-COOH
[B]
R-S-H
[C]
R-S-R
[D]
R-S-R’
73
The octane number of aviation gasoline may be __________________?
[A]
79
[B]
87
[C]
97
[D]
> 100
74
Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely miscible. It means that the aniline point of the diesel is _______________ the room temperature?
[A]
More than
[B]
Less than
[C]
Same as
[D]
Either more or less; depends on the room temperature
75
The coking process normally mostly used in Indian oil refineries is the ____________________ coking process ?
[A]
Delayed
[B]
Flexi
[C]
Fluid
[D]
Contact
76
The proper arrangement of the petroleum fractions in order of their boiling points is __________________ ?
[A]
Lubricating oil > diesel > petrol > LPG
[B]
Lubricating oil > petrol > diesel > LPG
[C]
Petrol > lubricating oil > diesel > LPG
[D]
Petrol > diesel > LPG > lubricating oil
Answer: Lubricating oil > diesel > petrol > LPG
77
Diesel used in naval applications has a minimum cetane number of ___________________?
[A]
25
[B]
35
[C]
45
[D]
65
78
Flash point of atmospheric distillation residue is determined by ______________ apparatus?
[A]
Pensky-Martens (closed cup type)
[B]
Abel
[C]
Cleveland (open cup type)
[D]
None of these
Answer: Cleveland (open cup type)
79
Crude oil is transported inland from oil field to refineries, mainly by the _____________________?
[A]
Road tankers
[B]
Rail tankers
[C]
Underground pipelines
[D]
None of these
Answer: Underground pipelines
80
Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to__________________?
[A]
Increase the yield of light distillates
[B]
Suppress coke formation
[C]
Enhance the octane number of gasoline
[D]
Reduce gum content in gasoline
Answer: Suppress coke formation
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