Question

UPSC Prelims 2016 Question:

What is ‘Greased Lightning10 (GL-10)’, recently in the news?

1. Electric plane tested by NASA
2. Solar-powered two seater aircraft designed by Japan
3. Space observatory launched by China
4. Reusable rocket designed by ISRO

Answer (Detailed Solution Below)

Option 1: Electric plane tested by NASA

Detailed Solution

Explanation:

Greased Lightning10 (GL-10) is an electric plan successfully flight tested by the National Aeronautics and Space Administration (NASA). It is a battery-powered plane with 10 engines that can take off and land like a helicopter and fly efficiently like an aircraft.
The Greased Lightning or GL-10 prototype successfully transitioned from hover to wing-borne flight during several test flights.

Therefore, option (1) is the correct answer.

Relevance: In May 2015, NASA’s 10-engine electric plane completed flight test.

Subject: Science & Technology | Defence and Related Developments

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