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- Question
When were blue jeans invented?
Options- A. 1900s
- B. 1850s
- C. 1860s
- D. 1870s
- Correct Answer
- 1860s
- 1. Who is known as inventor of World Wide Standard Time ?
Options- A. Sandford Fleming
- B. Fredrich
- C. Williamson
- D. James Broot Discuss
- 2. Who invented fuel cells in 1839?
Options- A. Buckminster Fuller
- B. Sir William Grove
- C. Sylvester Graham
- D. Joyce Hall Discuss
- 3. Simpson and Harrison are associated with the invention of
Options- A. Boson
- B. Chloroform
- C. Balloon
- D. None of these Discuss
- 4. When was Barb Wire patented
Options- A. 1898
- B. 1868
- C. 1874
- D. 1866 Discuss
- Glidden was born in New York in 1812. He invented Barbed Wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won received a patent for the modern invention in 1874 after he made his own modifications to previous versions.
- 5. Who invented Electric Generator?
Options- A. Michael Faraday
- B. Thomas Alva Edison
- C. Graham Bell
- D. Alfred Nobel Discuss
- The operating principle of electromagnetic generators was discovered in the years of 1831?1832 by Michael Faraday.
- The principle later called Faraday's law, is that an electromotive force is generated in an electrical conductor which encircles a varying magnetic flux.
- 6. What plaything was invented by Joe McVicker in 1956?
Options- A. Silly Putty
- B. Etch-A-Sketch
- C. Lite-Brite
- D. Play-Doh Discuss
- 7. We remember Charles Babbage (1792-1871) for what ?
Options- A. Computers
- B. Radio-Telegraphy
- C. Steam Boating
- D. Telescopes Discuss
- 8. Which object, initially called the 'Whirlwind', was invented by Ives McGaffey in 1869 ?
Options- A. Washing machine
- B. Electric mixer
- C. Vacuum cleaner
- D. Blender Discuss
- 9. What invention caused many deaths while testing it?
Options- A. Dynamite
- B. Ladders
- C. Race cars
- D. Parachute Discuss
- 10. Who invented Automobiles using gasoline?
Options- A. Karl Benz
- B. Kirk Macmillan
- C. Thomas Alva Edison
- D. William Ford Discuss
Inventions problems
Search Results
Correct Answer: 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.
Correct Answer: Sir William Grove
Correct Answer: Chloroform
Correct Answer: 1874
Explanation:
Joseph F. Glidden - Father of Barbed Wire.
Correct Answer: Michael Faraday
Explanation:
Michael Faraday invented Electric Generator in 1831.
Correct Answer: Play-Doh
Correct Answer: Computers
Correct Answer: Vacuum cleaner
Correct Answer: Parachute
Correct Answer: Karl Benz
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