Inventions Questions

Q:

This statesman,politican,scholar,inventor,and one of early presidents of USA invented the swivel chair,the spherical sundial,the moldboard plow,and the cipher wheel.

A) George Washington B) Alexander Hamilton
C) John Adams D) Thomas Jefferson
 
Answer & Explanation Answer: D) Thomas Jefferson

Explanation:

 Thomas Jefferson (April 13, 1743 – July 4, 1826) was the third President of the United States (1801-1809) and the principal author of the Declaration of Independence (1776).

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Q:

Who is the english physicist responsible for the "Big Bang Theory"?

A) Albert Einstein B) Michael Skube
C) George Gamow D) Roger Penrose
 
Answer & Explanation Answer: C) George Gamow

Explanation:

George Gamow. Gamow, who died in 1968, was a physicist, who published “Thirty Years that Shook Physics”.

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Q:

In the 1700s,who would pay the postage fee for letters before the stamp was invented?

A) The sender B) There was no fee
C) The receiver of the letter D) The post office
 
Answer & Explanation Answer: C) The receiver of the letter

Explanation:

Later in 1840, Rowland Hill invented the stamp, which was paid for by the sender, not the receiver.

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Q:

Revolver discovered by

A) Colt B) Mercafter
C) Bushwell D) Daimler
 
Answer & Explanation Answer: A) Colt

Explanation:
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Q:

Which insurance salesman invented the fountain pen in 1884?

A) Lewis Edson Waterman B) Sir William Grove
C) Charles Kettering D) George Fountain
 
Answer & Explanation Answer: A) Lewis Edson Waterman

Explanation:

Lewis Edson Waterman patented the first practical fountain pen in 1884.

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