UPSC CSE Prelims
Question 62
What is 'Greased Lightning-10 (GL-10)', recently in the news?
View correct answer and explanation
Correct answer: A
Correct Option: A
Explanation: NASA’s GL-10 (“Greased Lightning”) was an experimental battery-powered distributed-propulsion tilt-wing aircraft demonstrating efficient electric flight.
Option-wise Analysis:
A: Correct - Correct-GL-10 was NASA’s experimental electric unmanned aircraft.
B: Incorrect - It was not a Japanese solar-powered two-seat aircraft.
C: Incorrect - It was an aircraft demonstrator, not a Chinese space observatory.
D: Incorrect - It was not a reusable rocket project of ISRO.