Inventions Practice Test 111
Light Bulb Leds Quiz PDF: Questions and Answers - 111
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The Light Bulb Leds Trivia Questions and Answers PDF (Light Bulb Leds Quiz Answers PDF e-Book) download Test 111 to learn inventions online courses. Practice Inventions and Inventors MCQ questions, Light Bulb Leds Multiple Choice Questions (MCQ) for online college degrees. The Light Bulb Leds Quiz App: Download free certification app for elevator, goalie mask, transformer, space shuttel, light bulb leds test prep for online teaching certification programs.
The Quiz: In which one of following year light bulb led were patented; "Light Bulb Leds" App (iOS, Android) with answers: 1813; 1875; 1892; 1873; for online certifications. Study inventions and inventors questions and answers, Apple e-Book to download free sample for online study.
Light Bulb Leds Questions and Answers PDF Download: Quiz 111
In which one of the following year light bulb led were patented?
- 1875
- 1813
- 1892
- 1873
Space shuttle was invented by
- Sir Henry W. Seelay
- Sir Schuyler Skaats Wheeler
- Sir Samuel W. Francis
- Sir George A.Mueller
The transformer was invented by
- Sir Michael Faraday
- Sir George Beers
- Sir T.E Rayan
- Sir James Hillier
In which one of the following year, Goalie mask was invented?
- 1985
- 1960
- 1945
- 1966
In which one of the following year, elevator was invented?
- 1896
- 1880
- 1855
- 1823
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