Multiple choice general knowledge

What Frank Whittle invented?

  1. Radar

  2. Ethyl gasoline

  3. Sonar

  4. Jet propulsion
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sir Frank Whittle (1907-1996) was a British RAF engineer who invented and patented the turbojet engine in 1930, leading to jet propulsion for aircraft. The jet engine revolutionized aviation by enabling much higher speeds and altitudes than piston engines. Radar was developed by Robert Watson-Watt, sonar is for underwater detection, and ethyl gasoline was developed by Thomas Midgley.

Keep practicing — related questions