Multiple choice general knowledge

What George Westinghouse invented?

  1. Light bulb

  2. Electric razor

  3. Refrigerator

  4. Railway air brakes
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

George Westinghouse invented the railway air brake system in 1869, which dramatically improved railroad safety by allowing trains to be stopped reliably. This was one of his most important inventions that revolutionized rail transportation. The light bulb (Edison), electric razor, and refrigerator (various inventors) are not Westinghouse's inventions.

Keep practicing — related questions