Question

Which of the following can be used to increase the octane number?

• A. Increasing the percentage of branched or cycloalkanes
• B. By addition of BTX or TEL
• C. By addition of powder alcohol (ethanol)
• D. All of the above.

Answer 1

The correct option is D All of the above.

Octane number can be increased by any of the following methods:
(1) Increasing the percentage of branched or cycloalkanes.
(2) By addition of BTX or TEL.
(3) By addition of powder alcohol (ethanol).