Petroleum Refinery Engineering Quiz 6
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Waxy crudes are treated with chemical additives mainly to___________?
2 / 65
Which of the following is used as a solvent in deasphalting of petroleum products ?
3 / 65
Which parameter is used for the grading of paraffin waxes ?
4 / 65
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___________?
5 / 65
Which of the following has the lowest cetane number ?
6 / 65
Which of the following is desirable in diesel and kerosene but is undesirable in gasoline ?
7 / 65
Which of the following has the highest octane number ?
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Which of the following has the minimum ?API gravity of all ?
9 / 65
Water separometer index (modified) (WSIM) of a petrofuel is the measure of its______?
10 / 65
Which of the following fractions of petroleum contains maximum sulphur ?
11 / 65
Which of the following tests is not done for transformer oil ?
12 / 65
The yield of straight run LPG from crude oil is about _______ weight percent?
13 / 65
Waxes present in petroleum products__________?
14 / 65
Visbreaking___________?
15 / 65
Which of the following factors does not govern the mechanism of petroleum formation from organic sources ?
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Which of the following is a non-regenerative fixed bed catalytic reforming process ?
17 / 65
Which of the following reactions is undesirable in the production of catalytically reformed gasoline ?
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Which of the following has the highest gum forming tendency in gosoline ?
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Which of the following is the easiest to crack ?
20 / 65
Which of the following categories of gasoline has the highest lead susceptibility ?
21 / 65
The terminology used for the bottom most product from the vacuum crude distillation unit is_______?
22 / 65
Which is an anticing compound ?
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Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners ?
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Which of the following has the maximum ?API gravity of all ?
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Which of the following has the highest flash point of all ?
26 / 65
Which of the following gasoline (unleaded) has the least octane number ?
27 / 65
With increase in density, the viscosity of petroleum products _______?
28 / 65
Which of the following has maximum hydrogen/carbon ratio (by weight) ?
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Which of the following petroleum products contain minimum sulphur ?
30 / 65
Which of the following is a type of sedimentary rock?
31 / 65
Which is almost absent in crude petroleum ?
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Water content in the crude oil as it comes out of oil well may be upto _______ percent?
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Which of the following processes is used for the production of petroleum coke ?
34 / 65
Which of the following is not a sulphur compound present in petroleum ?
35 / 65
Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency ?
36 / 65
Which is the most desirable component of a good quality kerosene ?
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Which of the following has the lowest viscosity (at a given temperature) of all ?
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Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil ?
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Which of the following is not an important property of fuel oil/furnace oil ?
40 / 65
Which of the following is used as a catalyst in fluidised bed catalytic cracking ?
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Which of the following processes consumes hydrogen ?
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Which of the following has the lowest flash point of all ?
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Which of the following rock favors petroleum formation?
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Which of the following has the highest viscosity of all (at a given temperature) ?
45 / 65
Which of the following is the most important property for a jet fuel ?
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Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ?
47 / 65
Visbreaking process is used mainly for making__________?
48 / 65
The vacuum maintained in vacuum distillation unit for reduced crude is about ________ mm Hg?
49 / 65
True boiling point apparatus is used for the___________?
50 / 65
Which of the following is an additive used for improving the cetane number of diesel ?
51 / 65
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about _________ mm Hg absolute?
52 / 65
Thermofor catalytic cracking process is a _______ process?
53 / 65
Which of the following is a Naphthene ?
54 / 65
With increase in the molecular weight of aromatic present in kerosene, its smoking tendency ?
55 / 65
Which of the following constituents present in petroleum is responsible for ash formation ?
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Which of the following fractions of a crude oil will have the maximum gravity API (i.e. ?API) ?
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Which is the most undesirable component in kerosene ?
58 / 65
Which of the following contains maximum sulphur ?
59 / 65
Which one is used to determine the colour of petroleum products ?
60 / 65
Which of the following processes in oil refinery does not employ ?cracking??
61 / 65
Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene ?
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Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about ________ mm Hg (absolute)?
63 / 65
True vapour pressure of a petroleum fraction _________ Reid vapour pressure?
64 / 65
Viscosity index of a lubricating oil__________?
65 / 65
Which one is preferred for aircraft engine ?
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