In October 2023, India began producing 'reference' fuel, joining a select league of nations. What is the octane number of reference fuel?

Correct option is A

The correct answer is (A) 97.

Explanation:

• In October 2023, India began producing reference fuel with an octane number of 97, making it one of the few countries capable of producing such high-quality fuel, used for research and testing in automotive and fuel industries.

Information Booster:

• Octane number: A measure of a fuel's ability to resist knocking or pinging during combustion, crucial for high-performance engines.
• India's achievement: This move helps India to establish itself as a player in fuel research and standards.
• Global production: Few countries, like the US and Germany, had been producing such reference fuel before India joined the ranks.

Additional Information:

• Octane number of 67: Typically seen in low-quality fuels with more potential for knocking.
• Octane number of 77: Usually represents a mid-range fuel with moderate knock resistance.
• Octane number of 87: Standard for regular gasoline, commonly found in most commercial fuel stations.