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- Question
Who was the first person to patent the JET ENGINE?
Options- A. F. Whittle
- B. C. Lindbergh
- C. W. Histell
- D. B. Owings
- Correct Answer
- F. Whittle
ExplanationBritish inventor Frank Whittle was the first to patent his design for a jet engine in 1930. Although an engine designed by Dr. Hans Von Ohain was the first to fly in 1939. Whittle's jet engine first flew in 1941. - 1. What Henry Bessemer invented?
Options- A. Aluminum
- B. Electroplating
- C. Steel Converter
- D. Steel rolling mill Discuss
- 2. What George Pullman invented?
Options- A. Sleeping (railway) car
- B. Airship
- C. Box car (railway)
- D. Air brakes Discuss
- 3. The ELECTRIC BATTERY, who's charged with inventing this one?
Options- A. Hertz
- B. Amper
- C. Galvani
- D. Volta Discuss
- 4. In which decade were the first successful diode and triode vacuum tubes invented?
Options- A. 1800s
- B. 1880s
- C. 1890s
- D. 1900s Discuss
- 5. Who invented the phonograph?
Options- A. Thomas Edison
- B. John Kruesi
- C. Jules Levy
- D. Alexander Graham Bell Discuss
- 6. CORN FLAKES - Who made them first?
Options- A. Nabisco
- B. Kellogg
- C. Quaker
- D. Archers Discuss
- 7. Who invented Bifocal Lens?
Options- A. Alfred B. Nobel
- B. Thomas Alva Edison
- C. Benjamin Franklin
- D. Rudolf Diesel Discuss
- 8. What inspired reflecting road lights to be invented?
Options- A. Car door reflecting mirrors
- B. The light a cat's eyes gave off on a fence
- C. Sun light on steel posts on road sides
- D. The sun light on the windshield Discuss
- 9. When was the first lawn mower invented?
Options- A. 1830
- B. 1854
- C. 1835
- D. 1849 Discuss
- 10. Who invented Airship (rigid)?
Options- A. Dr. Alan M. Turing
- B. Roger Bacon
- C. G. Ferdinand Von Zeppelin
- D. Otto Discuss
Inventions problems
Search Results
Correct Answer: Steel Converter
Explanation:
Invented in 1856.
Correct Answer: Sleeping (railway) car
Explanation:
Invented in 1857.
Correct Answer: Volta
Explanation:
Italian, Alessandro Volta discovered the first practical battery in 1800. Life would be very different without batteries.
Correct Answer: 1900s
Explanation:
In 1904, John Ambrose Fleming invented the first practical electron tube called the 'Fleming Valve', which is a diode rectifier. In 1906, Lee de Forest invented the audion later called the triode, which provided signal amplification.
Correct Answer: John Kruesi
Explanation:
John Kruesi was a mechanic for Edison, and Kruesi built the phonograph. Edison designed it, and later improved the phonograph.
Correct Answer: Kellogg
Explanation:
Will Keith Kellogg discovered the corn flake, by mistake, in 1906. They were the result of an experiment which went wrong.
Correct Answer: Benjamin Franklin
Correct Answer: The light a cat's eyes gave off on a fence
Explanation:
In 1933, Englishman Percy Shaw was driving home when he saw a cat's eyes reflecting. He had been headed straight towards a fence with the cat on it, but on the other side was a drop of hundreds of feet.
Correct Answer: 1830
Explanation:
The first lawn mowers were not engine powered. Invented in 1830 by Edwin Budding of England, the mowers were turning blades on wooden sticks used to cut grass. Engine powered mowers were not invented until 1919 by an American Army colonel, who used the motor from a washing machine.
Correct Answer: G. Ferdinand Von Zeppelin
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