Petroleum Refinery Engineering General Knowledge Quiz | Petroleum Refinery Engineering General Knowledge Multiple Choice Questions(MCQs) with Answers

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Questions
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

Answer: None of these
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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

Answer: White
65 Butadiene is a/an_________________?
A Di-olefin
B Naphthene
C Aromatic
D Olefin

Answer: Di-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

Answer: Bubble-cap
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

Answer: Pipestill
69 Glycol added to petrol acts as a/an ________________ agent ?
A Anti-knocking
B Anti-icing
C Anti-gum forming
D Dewaxing

Answer: Anti-icing
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

Answer: 1
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’

Answer: R-S-H
73 The octane number of aviation gasoline may be __________________?
A 79
B 87
C 97
D > 100

Answer: > 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

Answer: Same as
75 The coking process normally mostly used in Indian oil refineries is the ____________________ coking process ?
A Delayed
B Flexi
C Fluid
D Contact

Answer: Delayed
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

Answer: 45
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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