Inventions Practice Test 48
Fuel Cells Quiz PDF: Questions and Answers - 48
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Fuel Cells Questions and Answers PDF Download: Quiz 48
MCQ 236: Fuel Cells were invented by
- Sir Gideon Sundback
- Sir William Grove
- Sir Mathew Maury
- Sir Robert Bunsen
MCQ 237: In which one of the following year, Walkies Talkies were invented?
- 1919
- 1906
- 1942
- 1945
MCQ 238: The portable film developing system was sold by Williams McCurdy to which one of the following?
- Sir Elijah McCoy
- Sir George Beers
- Sir George Eastmann
- Sir Alfred J.Gross
MCQ 239: In which year Analytical Engine was first described by an English philosopher?
- 1879
- 1837
- 1847
- 1888
MCQ 240: The first man made plastic was created by
- Sir Frances Gabe
- Joseph McVicker
- Sir Alexander Parkes
- Sir Louis Pasteur
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