Petroleum Refinery Engineering Quiz 3
1 / 50
Molecular weight of crude petroleum may be around_________?
2 / 50
Most commonly used crude heater before the fractionation tower in a refinery is the _______ heater?
3 / 50
Name the hydrocarbon having the poorest oxidation stability ?
4 / 50
Octane number of gasoline produced by two stage fluidised catalytic cracking process is_____?
5 / 50
In catalytic alkylation, higher iso-butane to olefin ratio gives__________?
6 / 50
Higher viscosity of lubricating oil usually signifies_________?
7 / 50
Maximum use of petroleum coke is in___________?
8 / 50
Octane number of n-heptane is assumed to be__________?
9 / 50
Hydrocracking employs _____?
10 / 50
Octane number (unleaded) of reformed gasoline may be upto _________?
11 / 50
Octane number (unleaded) of gasoline produced by isomerisation of butane may be about ___________?
12 / 50
Mercaptans is represented as (where R and R? are alkyl groups) _______?
13 / 50
In catalytic cracking, the_____?
14 / 50
Hydrogen percentage (by weight) in crude petroleum may be about ___________?
15 / 50
Isomerisation converts the _____ tot-paraffins?
16 / 50
Name the endothermic reaction out of the following ?
17 / 50
Mercaptans are added to liquefied petroleum gas (LPG) to _______ ?
18 / 50
In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen__________?
19 / 50
In case of liquid petrofuels, momentary combustion is observed at its __________?
20 / 50
In sweetening process, solutizer agent used with caustic alkali is________?
21 / 50
In catalytic cracking process, olefins crack _______ times faster than in thermal cracking process?
22 / 50
LPG stands for ______?
23 / 50
Naphtha yield in straight run distillation of crude oil may be about ________ percent?
24 / 50
LSHS is a type of furnace oil, which_______?
25 / 50
Most widely used solvent for dewaxing is___________?
26 / 50
Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of _______ kcal/kg?
27 / 50
Main constituent of natural gas is_____?
28 / 50
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is_________?
29 / 50
LPG when brought to atmospheric pressure & temperature will be a_________?
30 / 50
Illuminating characteristics of kerosene is expressed by its______?
31 / 50
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about__________?
32 / 50
Natural gasoline is produced_____?
33 / 50
Highest quality bitumen is produced from the ___________ crude oil?
34 / 50
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with ___________?
35 / 50
Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is ________ centistokes (or 100 Redwood I seconds) ?
36 / 50
Molecular weight of petrol may be about ______?
37 / 50
Octane number of gasoline is a measure of its___________?
38 / 50
Naphthenic acid is a/an _______ compound?
39 / 50
Lane and Garton classification of petroleum is based on its ______?
40 / 50
Mercaptans are_________?
41 / 50
Liquefied Petroleum Gas (LPG) is mainly a mixture of _______?
42 / 50
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher _______ compared to the dry natural gas?
43 / 50
Hydrofining is the most recent and effective method for the______ ?
44 / 50
Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octane is chemically known as _____?
45 / 50
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of ________?
46 / 50
In solutizer sweetening process, solutizer solution used is________?
47 / 50
Higher vapour pressure of gasoline indicates __________?
48 / 50
Naphthenic acid is represented by _____?
49 / 50
In the atmospheric pressure crude distillation, the content of ______ from lighter fraction to heavier ones?
50 / 50
Increase in the specific gravity of petroleum products indicates_________?
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