Exams › IBPS PO › General Awareness
Gaseous refinery ____________(21) include hydrogen, fuel gas, ethane, propane, and butane. Most of the hydrogen is ____________(22) in refiners which remove hydrogen sulfide from the gas stream and then separate that compound into elemental hydrogen and sulfur; small quantities of the hydrogen may be delivered to the refinery fuel system. Refinery fuel gas varies in composition but usually contains a ____________(23) amount of methane; it has a heating value similar to natural gas and is consumed in plant operations. The drawback is that periodic variability in heating value makes it ____________(24) for delivery to consumer gas systems. Ethane may be ____________(25) from the refinery fuel system for use as a petrochemical feedstock. In many cases, these operations take place in relatively remote regions and affect only those employed by the industry, so that little or no ____________(26) is attempted. What will be the value at (23)?
- terrible
- versatile
- importance
- significant
Correct answer: significant
Solution
The phrase "a significant amount of methane" is grammatically and contextually correct. The other options do not fit the meaning or the sentence structure.
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