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- Question
What invention caused many deaths while testing it?
Options- A. Dynamite
- B. Ladders
- C. Race cars
- D. Parachute
- Correct Answer
- Parachute
ExplanationMany people who tried to test the first parachutes died by jumping from high places. One attempt was a parachute hat, but the inventor broke his neck while testing it. The first successful parachute was tested from a hot air balloon in 1797, in France, by Jacques Garnerin. - 1. Who developed the idea of Crop Rotation?
Options- A. Potato Peterson
- B. Turnip Townsend
- C. Cabbage Carlson
- D. Swede Svenson Discuss
- 2. FROZEN FOOD - Who discovered the first practical method of freezing food?
Options- A. C. Birdseye
- B. F. Rozenosh
- C. G. Findus
- D. R. Scott Discuss
- 3. What James Watt invented?
Options- A. Diving bell
- B. Steam boat
- C. Hot air balloon
- D. Rotary steam engine Discuss
- 4. What Sir Isaac Newton invented?
Options- A. Reflecting telescope
- B. Chronometer
- C. Microscope
- D. Spectacles Discuss
- 5. What Benjamin Franklin invented?
Options- A. Bifocal spectacles
- B. Radio
- C. Barometer
- D. Hygrometer Discuss
- 6. The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?
Options- A. John Christopher Ballantyne
- B. Joseph Cyril Bamford
- C. John Christopher Baxter
- D. Jack Croxford Baker Discuss
- 7. Who invented the BALLPOINT PEN?
Options- A. Biro Brothers
- B. Waterman Brothers
- C. Bicc Brothers
- D. Write Brothers Discuss
- 8. Who invented Gramophone?
Options- A. Michael Faraday
- B. Fahrenheit
- C. Sir Alexander Graham Bell
- D. Thomas Alva Edison Discuss
- 9. What Thomas Davenport invented?
Options- A. Screw propellor
- B. Electric streetcar
- C. Chesterfield
- D. Sleeping (railway) car Discuss
- 10. This English inventor is known as the 'Father of Computing.'
Options- A. Philo Farnsworth
- B. J. Presper Eckert
- C. John Mauchly
- D. Charles Babbage Discuss
Inventions problems
Search Results
Correct Answer: Turnip Townsend
Explanation:
Viscount Charles 'Turnip' Townsend developed this revolutionary concept.
Correct Answer: C. Birdseye
Explanation:
In the 1920s Clarence Birdseye discovered that if food was flash-frozen under pressure, it would freeze without the formation of ice crystals.
Correct Answer: Rotary steam engine
Explanation:
Invented in 1765.
Correct Answer: Reflecting telescope
Explanation:
Invented in 1668.
Correct Answer: Bifocal spectacles
Explanation:
Invented in 1760.
A list of Benjamin Franklin's inventions reveals a man of many talents and interests. It was the scientist in Ben that brought out the inventor. His natural curiosity about things and the way they work made him try to find ways to make them work better.
Ben had poor vision and needed glasses to read. He got tired of constantly taking them off and putting them back on, so he decided to figure out a way to make his glasses let him see both near and far. He had two pairs of spectacles cut in half and put half of each lens in a single frame. Today, we call them bifocals.
A list of Benjamin Franklin's inventions reveals a man of many talents and interests. It was the scientist in Ben that brought out the inventor. His natural curiosity about things and the way they work made him try to find ways to make them work better.
Ben had poor vision and needed glasses to read. He got tired of constantly taking them off and putting them back on, so he decided to figure out a way to make his glasses let him see both near and far. He had two pairs of spectacles cut in half and put half of each lens in a single frame. Today, we call them bifocals.
Correct Answer: Joseph Cyril Bamford
Explanation:
Joseph Cyril Bamford founded the company that makes these iconic machines in 1945, in a 12ft X 15ft garage in Staffordshire.
Correct Answer: Biro Brothers
Explanation:
The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884.
Correct Answer: Thomas Alva Edison
Correct Answer: Electric streetcar
Explanation:
Invented in 1834.
Correct Answer: Charles Babbage
Explanation:
Mauchly and Eckert invented the ENIAC computer. Farnsworth was a pioneer of early television.
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