Inventions Practice Test 175
Telephone Handset Quiz Questions and Answers PDF - 175
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The Telephone Handset Quiz Questions and Answers PDF (Telephone Handset Quiz with Answers PDF e-Book) download Test 175 to learn inventions online courses. Practice Inventions and Inventors trivia questions, Telephone Handset Multiple Choice Questions (MCQ) for online college degrees. The Telephone Handset Quiz App Download: Free learning app for photophone, super soaker, escalator, integrated circuits, telephone handset test prep for taking online classes.
The Quiz: In which one of following year, Telephone handset was discovered; "Telephone Handset" App Download (Free) with answers: 1816; 1845; 1878; 1808; for online education. Solve inventions and inventors questions and answers, Amazon eBook to download free sample for online school and college.
Telephone Handset Questions and Answers PDF Download: Quiz 175
In which one of the following year, Telephone handset was discovered?
- 1845
- 1816
- 1878
- 1808
In which one of the following year, integrated circuits were invented?
- 1925
- 1905
- 1959
- 1932
In which one of the following year, escalator was patented?
- 1891
- 1997
- 1899
- 1893
Super soaker was discovered by
- Sir Lonnie Johnson
- Sir S.S Squirt gun
- Sir Joseph Henry
- both a and b
The photo phone was invented by an American scientist named as
- Sir Alexander Graham Bell
- Sir Igory Sikorsky
- Dr Abraham Gesner
- Sir Oliver Evans
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