General Knowledge - Inventions
Exercise : Inventions - Section 1
- Inventions - Section 1
36.
What Enrico Fermi invented?
Answer: Option
Explanation:
Invented in 1942.
37.
Which of the following was first patented by an Australian in 1889?
Answer: Option
Explanation:
The Electric Drill was the invention of Arthur James Arnot. On 20 August 1889 he patented his design while working for the Union Electric Company in Melbourne. His original design was meant primarily for drilling rock to find coal!
38.
Who among the following invented the small pox vaccine?
39.
What George Westinghouse invented?
Answer: Option
Explanation:
Invented in 1868.
40.
Who is the only U.S. President to invent and patent something?
Answer: Option
Explanation:
In 1849 Honest Abe invented a method to aid ships that got stuck on sandbars. He called it A Device for Buoying Vessels Over Shoals. It was never used.
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