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Consider the following statements regarding the technical aspects of ethanol blending: 1. E20 means a blend of 20% ethanol by weight in petrol. 2. Higher ethanol blends may require modifications to the vehicle engine. 3. Ethanol has a lower energy value than petrol. Which of the above statements are correct?
Correct Answer: (b)
Official keyThis question appeared in the GPSC Prelims 2026 examination (GS). It is Question 53 out of 200 questions in this paper.
This question was part of the GPSC Prelims 2026 (GS). The GPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all GPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.