Invention and Inventors : General Knowledge Questions and Answers

Q71. Who Invented Traffic Signal?

[A] Garrett Augustus Morgan

[B] Percy LeBaron Spencer

[C] Levi Strauss

[D] Lewis Edson Waterman

Q72. Who invented the atomic battery in 1912?

[A] Alessandro Volta

[B] Louis Pasteur

[C] Henry Moseley

[D] Benjamin Franklin

Q73. Which is an invention that improved safety for railway passengers?

[A] Refrigerated rail cars

[B] Pullman sleeping cars

[C] Air brakes

[D] Time standardization

Q74. Telephone was invented in which decade?

[A] 1770s

[B] 1970s

[C] 1670s

[D] 1870s

350+ Inventions Quiz Questions and Answers

Q75. Fax machine was invented by

[A] Dewar

[B] Daimler

[C] Bain

[D] None of these

Q76. Which insurance salesman invented the fountain pen in 1884?

[A] Charles Kettering

[B] George Fountain

[C] Lewis Edson Waterman

[D] Sir William Grove

Q77. Simpson and Harrison are associated with the invention of

[A] Chloroform

[B] Balloon

[C] Boson

[D] None of these

Q78. Who invented Radar?

[A] Humphrey Davy

[B] Henrey Backquerel

[C] Max Planck

[D] Robert Watson Watt

Q79. Telegrahic code was introduced by

[A] Thomas Moore

[B] Cockrell

[C] Lipman

[D] Macmillan

Q80. Revolver discovered by

[A] Daimler

[B] Colt

[C] Mercafter

[D] Bushwell