Inventions Practice Test 68
Sexaphone MCQ (Multiple Choice Questions) PDF - 68
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The MCQs: In which one of the following year, saxophone was patented; "Sexaphone" App Download (iOS & Android) with answers 1879, 1845, 1866 and 1846 for online schools. Practice inventions and inventors questions and answers, Google eBook to download free sample for distance learning.
Sexaphone Questions and Answers PDF Download: Quiz 68
MCQ 336: In which one of the following year, saxophone was patented?
- 1845
- 1879
- 1866
- 1846
MCQ 337: Acrylic resin, which was quickly transformed into acrylic paint was discovered by
- Sir Neil Harphan
- Sir Alexander Graham Bell
- Sir Otto Rohm
- Sir Yi Xing
MCQ 338: Sound recording was invented by an American businessman named as
- Sir Norman Rolston
- Sir Thomas Edison
- Sir James Hillier
- Dr Dennis Colonello
MCQ 339: In which one of the following year the first petrol engine was invented by a German engineer?
- 1888
- 1876
- 1866
- 1854
MCQ 340: An American Cevil engineer invents the Ferris Wheel in
- 1888
- 1997
- 1899
- 1893
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