Petroleum Refinery Engineering Mcqs for Chemical


Q.  ________________ treatment is done for appreciable improvement in viscosity index of lubricating oil?

a. Acid
b. Solvent extraction
c. Alkali
d. Clay


ANSWER: See Answer
 
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MCQs:  Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about ________________ mm Hg absolute?
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MCQs:  Extractor temperature is maintained at -20°C in Edeleanu process to reduce the _________________ of kerosene?
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MCQs:  Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with __________________?
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MCQs:  The general formula of naphthenes is___________________?
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MCQs:  Solvent used for dewaxing of petroleum products are____________________?
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MCQs:  Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?
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MCQs:  An upper limit of oil content is limited to about ______________ percent for achieving efficient and satisfactory level of wax sweating?
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MCQs:  Hydrogen percentage (by weight) in crude petroleum may be about __________________?
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MCQs:  Catalyst used in catalytic polymerisation which produces polymer gasoline is_________________?
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MCQs:  Flash point of an oil is determined by the _____________________?
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MCQs:  Visbreaking__________________?
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MCQs:  Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to________________?
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MCQs:  The main aim of cracking is to produce ____________________?
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MCQs:  Presence of aromatics in __________________?
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MCQs:  Which of the following is the most widely used cracking process in oil refineries ?
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MCQs:  Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil__________________?
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MCQs:  Which of the following is an additive used for improving the cetane number of diesel ?
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MCQs:  Octane number of gasoline produced by two stage fluidised catalytic cracking process is___________________?
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MCQs:  Feedstock for polymerisation is__________________?
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MCQs:  Olefins are_________________?
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