Inventions Practice Test 11
Piano MCQ (Multiple Choice Questions) PDF - 11
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The MCQs: Piano was invented by an Italian famous musical instrument maker named as; "Piano" App Download (iOS & Android) with answers sir john barber, sir john fitch, sir bartolomeo cristofori and sir samuel morey for online elementary school classes. Practice inventions and inventors questions and answers, Google eBook to download free sample for online study.
Piano Questions and Answers PDF Download: Quiz 11
MCQ 51: The piano was invented by an Italian famous musical instrument maker named as
- Sir John Fitch
- Sir John Barber
- Sir Bartolomeo Cristofori
- Sir Samuel Morey
MCQ 52: In which one of the following year, Computerized Braille was invented?
- 1957
- 1928
- 1955
- 1972
MCQ 53: Transmitted voice was patented by
- Sir Reginald A. Fessenden
- Sir Nikola Tesla
- Sir Rudolf Diesel
- Sir Schuyler Skaats Wheeler
MCQ 54: In which one of the following parks Incandescent Light Bulb was demonstrated?
- Menio Park
- Hyde Park
- Victoria Park
- Richmond Park
MCQ 55: Wireless Radio was invented by
- Reginald A.Fessenden
- Sir Nikola Tesla
- Sir Rudolf Diesel
- Sir Schuyler Skaats Wheeler
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