Petroleum Refinery Engineering Quiz 2
1 / 50
Flash point of atmospheric distillation residue is determined by _______ apparatus?
2 / 50
Crude topping column operates at _________ pressure?
3 / 50
Flash point of motor gasoline may be around _______ ?C?
4 / 50
Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of ______?
5 / 50
Choose the correct statement?
6 / 50
Complete removal of ______ from gasoline is done by Unisol process using caustic soda and methyl alcohol?
7 / 50
Flash point of diesel/kerosene (>50?C) is determined by the________?
8 / 50
Furfural solvent extraction is used for upgrading (by dissolving aromatics) ?
9 / 50
CnH2n is the general formula for________?
10 / 50
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?
11 / 50
Concentration of H2SO4 catalyst in alkylation is kept between 90-98%, because H2SO4 having concentration?
12 / 50
Clay treatment of petroleum products ___________?
13 / 50
Diesel index (an alternative index for expressing the quality of diesel) is________?
14 / 50
High aniline point of a petrofuel (say diesel) indicates that _________?
15 / 50
Cracking is_____?
16 / 50
Gasoline extracted from natural gas (by compression and cooling) is called the ___________ gasoline?
17 / 50
High aniline point of diesel indicates that, it _______?
18 / 50
Extractor temperature is maintained at -20?C in Edeleanu process to reduce the __________ of kerosene?
19 / 50
DLS stands For_______?
20 / 50
Crude oil is subjected to vacuum distillation in the last stage, because__________?
21 / 50
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of______?
22 / 50
Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to_________?
23 / 50
Choose the correct statement regarding thermal cracking ?
24 / 50
Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about _________ ppm?
25 / 50
Clay treatment is used to remove _____ ?
26 / 50
Electrical desalting of crude oil removes the ________ impurities?
27 / 50
Deoiling is the process of removal of oil from wax. It is done by the ________ process?
28 / 50
Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight?
29 / 50
Flash point of an oil is determined by the _______?
30 / 50
Crude oil produced by Indian oil fields are predominantly ________ in nature?
31 / 50
Diesel used in naval applications has a minimum cetane number of _____?
32 / 50
Feed for reforming is generally_____?
33 / 50
Feedstock for polymerisation is___________?
34 / 50
Choose the correct statement ?
35 / 50
Crude petroleum oil is a ________ fuel?
36 / 50
Extractor temperature is maintained at -20?C in Edeleanu process to reduce the _______ of kerosene?
37 / 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?
38 / 50
Diesel index is defined as__________?
39 / 50
For gasoline, the flash point (<50?C) is determined by the________?
40 / 50
Crude oil is transported inland from oil field to refineries, mainly by the _______?
41 / 50
Good quality kerosene should have___________?
42 / 50
Crude oils containing more than _____ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ?salty crude? ?
43 / 50
During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) _________ with increase in the amount of water?
44 / 50
Ethyl mercaptan is a/an _____ compound?
45 / 50
Deoiling of wax is done by its __________?
46 / 50
Crude oil is pumped by a ________ pump?
47 / 50
Fuel oil is subjected to visbreaking to reduce its________?
48 / 50
Gum formation in stored gasoline is mainly due to the ______?
49 / 50
Flash point of an oil gives an idea of the_____?
50 / 50
Glycol added to petrol acts as a/an _________ agent ?
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