General Knowledge - Inventions

Exercise :: Inventions - Section 1

  • Inventions - Section 1
81. 

What African-American inventor received 5 patents in the field of shoemaking?

A. Elijah McCoy
B. Jan Ernst Matzeliger
C. Ernest Just
D. Lewis Latimer

Answer: Option B

Explanation:

Matzeliger never benefited financially from his inventions. He died in 1889 at the age of 37 from tuberculosis.

82. 

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

A. S. Sperrow
B. O. Stricheg
C. T. Henman
D. C. Cockerell

Answer: Option D

Explanation:

Christopher Cockerell invented the hovercraft in 1956. His early experiments with the idea involved a cat food tin, a coffee tin and an industrial blower.

83. 

In which decade was the AEEE (now the IEEE) founded?

A. 1850s
B. 1880s
C. 1930s
D. 1950s

Answer: Option B

Explanation:

The IEEE (Institute of Electrical and Electronics Engineers) was formed in 1963 by the merger of the Institute of Radio Engineers (IRE, founded 1912) and the American Institute of Electrical Engineers (AIEE, founded 1884).

84. 

What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?

A. Telephone
B. Early Warning
C. Electricity
D. Television

Answer: Option D

Explanation:

All of the inventors mentioned invented an early mechanical television system.

85. 

What Sir Isaac Newton invented?

A. Reflecting telescope
B. Chronometer
C. Microscope
D. Spectacles

Answer: Option A

Explanation:

Invented in 1668.

86. 

Who invented Bicycle?

A. Leo H Baekeland
B. Karl Benz
C. Evangelista Torricelli
D. Kirkpatrick Macmillan

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

87. 

In which decade with the first transatlantic radio broadcast occur?

A. 1850s
B. 1860s
C. 1870s
D. 1900s

Answer: Option D

Explanation:

On December 12, 1901, a radio transmission received by Guglielmo Marconi resulted in the first transmission of a transatlantic wireless signal (Morse Code) from Poldhu, Cornwall, to St. John's, Newfoundland.

88. 

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: Option C

Explanation:

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