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Petroleum Refinery Engineering Quiz 3

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Petroleum Refinery Engineering Quiz 3

1 / 50

In case of liquid petrofuels, momentary combustion is observed at its __________?

2 / 50

Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about__________?

3 / 50

In catalytic cracking process, olefins crack _______ times faster than in thermal cracking process?

4 / 50

Name the hydrocarbon having the poorest oxidation stability ?

5 / 50

Name the endothermic reaction out of the following ?

6 / 50

Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of ________?

7 / 50

Higher vapour pressure of gasoline indicates __________?

8 / 50

Increase in the specific gravity of petroleum products indicates_________?

9 / 50

Octane number of gasoline produced by two stage fluidised catalytic cracking process is_____?

10 / 50

Naphthenic acid is a/an _______ compound?

11 / 50

Hydrofining is the most recent and effective method for the______ ?

12 / 50

Molecular weight of crude petroleum may be around_________?

13 / 50

Maximum use of petroleum coke is in___________?

14 / 50

Isomerisation converts the _____ tot-paraffins?

15 / 50

In solutizer sweetening process, solutizer solution used is________?

16 / 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?

17 / 50

Molecular weight of petrol may be about ______?

18 / 50

Illuminating characteristics of kerosene is expressed by its______?

19 / 50

Main constituent of natural gas is_____?

20 / 50

Hydrogen percentage (by weight) in crude petroleum may be about ___________?

21 / 50

In sweetening process, solutizer agent used with caustic alkali is________?

22 / 50

LSHS is a type of furnace oil, which_______?

23 / 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 ___________?

24 / 50

Natural gasoline is produced_____?

25 / 50

Hydrocracking employs _____?

26 / 50

Naphtha yield in straight run distillation of crude oil may be about ________ percent?

27 / 50

Mercaptans are_________?

28 / 50

Most widely used solvent for dewaxing is___________?

29 / 50

Naphthenic acid is represented by _____?

30 / 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 _____?

31 / 50

Most commonly used crude heater before the fractionation tower in a refinery is the _______ heater?

32 / 50

Octane number (unleaded) of reformed gasoline may be upto _________?

33 / 50

Octane number of n-heptane is assumed to be__________?

34 / 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?

35 / 50

In petroleum refining, the process used for conversion of hydrocarbons to aromatics is_________?

36 / 50

Liquefied Petroleum Gas (LPG) is mainly a mixture of _______?

37 / 50

LPG stands for ______?

38 / 50

Higher viscosity of lubricating oil usually signifies_________?

39 / 50

Lane and Garton classification of petroleum is based on its ______?

40 / 50

LPG when brought to atmospheric pressure & temperature will be a_________?

41 / 50

Highest quality bitumen is produced from the ___________ crude oil?

42 / 50

Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is ________ centistokes (or 100 Redwood I seconds) ?

43 / 50

In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen__________?

44 / 50

Octane number of gasoline is a measure of its___________?

45 / 50

In catalytic alkylation, higher iso-butane to olefin ratio gives__________?

46 / 50

Mercaptans is represented as (where R and R? are alkyl groups) _______?

47 / 50

Mercaptans are added to liquefied petroleum gas (LPG) to _______ ?

48 / 50

In the atmospheric pressure crude distillation, the content of ______ from lighter fraction to heavier ones?

49 / 50

In catalytic cracking, the_____?

50 / 50

Octane number (unleaded) of gasoline produced by isomerisation of butane may be about ___________?

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