WRAP UPPSC Write · Read · Analyse · Practice
0 Open daily streak — sign in to keep it. App Sign up Login
News PIB Quiz

Q5 · UPPSC current affairs · 27 September 2026 · News · Flex Fuel Strong Hybrid Electric Vehicles E100 Ethanol Blending

← Q4 Q6 →
English हिंदी

Consider the following statements regarding ethanol as a fuel and Flex Fuel Strong Hybrid Electric Vehicles (FFV-SHEVs):1.Ethanol possesses a higher octane rating than standard petrol but has a lower energy density per litre.2.FFV-SHEVs rely exclusively on internal combustion engines and cannot utilize electric drive motors or self-charging batteries.

Read note Practice this question →
A Both 1 and 2
B 2 only
C 1 only
D Neither 1 nor 2

Correct answer: (c) 1 only

Explanation

Statement 1 is correct because ethanol has superior anti-knock properties (higher octane rating) compared to petrol, but its calorific/energy value per litre is lower. Statement 2 is incorrect because FFV-SHEVs specifically combine internal combustion flex-fuel engines with electric drive motors and self-charging battery systems.

Same topic · past papers

UPSC has asked this before

These previous-year questions sit on the same topic. Open one to practise the earlier ask.

  1. 2022 · Q74 · UPPGS

    Consider the following statements about farm subsidies in India. 1. The input subsidies in India, such as on fertilizers fall under indirect farm subsidies. 2. Reduction in Power and irrigation bills offered to farmers fall under direct farm subsidies. 3. The agricultural provisions of the World Trade Organization (WTO) though allow direct farm subsidies, prohibit indirect subsidies. 4. All subsidies provided by the governments in India fall under the indirect subsidies. Select the correct answer from the code given below:

    View answer →

← 27 September 2026 quiz

PDF