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 Inventions Questions

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Q:

It travels over land and water. Who invented the HOVERCRAFT?

A) C. Cockerell B) S. Sperrow
C) O. Stricheg D) T. Henman
 
Answer & Explanation Answer: A) C. Cockerell

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Q:

What Frank Whittle invented?

A) Radar B) Ethyl gasoline
C) Sonar D) Jet propulsion
 
Answer & Explanation Answer: D) Jet propulsion

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6 4982
Q:

What Henry Bessemer invented?

A) Aluminum B) Electroplating
C) Steel Converter D) Steel rolling mill
 
Answer & Explanation Answer: C) Steel Converter

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5 4943
Q:

The first thermionic valve was invented by

A) Thomas Edison B) Richardson
C) J.A. Fleming D) Lee De Forest
 
Answer & Explanation Answer: C) J.A. Fleming

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1 4578
Q:

Who is known as inventor of World Wide Standard Time ?

A) Sandford Fleming B) Fredrich
C) Williamson D) James Broot
 
Answer & Explanation Answer: A) Sandford Fleming

Explanation:

Sir Sandford Fleming, (January 7, 1827 – July 22, 1915) was a Scottish Canadian engineer and inventor. Born and raised in Scotland, he emigrated to colonial Canada at the age of 18. He proposed worldwide standard time zones, designed Canada's first postage stamp.

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11 4407
Q:

What treat was invented by 11-year-old Frank Epperson in 1905?

A) Popsicle B) Banana split
C) Cotton candy D) Cracker Jacks
 
Answer & Explanation Answer: A) Popsicle

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4 4307
Q:

Typewriter was invented by

A) Shockley B) Sholes
C) Howe D) None of these
 
Answer & Explanation Answer: B) Sholes

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1 4238
Q:

Which scientist discovered the radioactive element radium?

A) Isaac Newton B) Marie Curie
C) Benjamin Franklin D) None of these
 
Answer & Explanation Answer: B) Marie Curie

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