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- Question
The first thermionic valve was invented by
Options- A. Thomas Edison
- B. Richardson
- C. J.A. Fleming
- D. Lee De Forest
- Correct Answer
- J.A. Fleming
- 1. Where were wigs first invented?
Options- A. Japan
- B. France
- C. Egypt
- D. China Discuss
- 2. Who invented Fountain Pen?
Options- A. Sir Frank Whittle
- B. John J. Loud
- C. Kirkpatrick Macmillan
- D. Lewis E. Waterman Discuss
- 3. It travels over land and water. Who invented the HOVERCRAFT?
Options- A. C. Cockerell
- B. S. Sperrow
- C. O. Stricheg
- D. T. Henman Discuss
- 4. Who is the inventor of railway engine?
Options- A. George Stephenson
- B. W.H.F Talbot
- C. Richard Trevithik
- D. Eli Whitney Discuss
- 5. Who Invented Microwave Oven ?
Options- A. Lewis Edson Waterman
- B. Levi Strauss
- C. Percy LeBaron Spencer
- D. Sir Sandford Fleming Discuss
- 6. Telegrahic code was introduced by
Options- A. Lipman
- B. Macmillan
- C. Thomas Moore
- D. Cockrell Discuss
- 7. Toricelli invented
Options- A. Automobile
- B. Barometer
- C. Stethoscope
- D. None of these Discuss
- 8. Streptomycin was invented by
Options- A. Fleming
- B. Marie Curie
- C. Walksman
- D. None of these Discuss
- 9. What Thomas Davenport invented?
Options- A. Screw propellor
- B. Electric streetcar
- C. Chesterfield
- D. Sleeping (railway) car Discuss
- 10. What furniture item was invented by California furniture designer Charles Prior Hall in 1968?
Options- A. Sofa bed
- B. Captain's chair
- C. Waterbed
- D. Hammock Discuss
Inventions problems
Search Results
Correct Answer: Egypt
Correct Answer: Lewis E. Waterman
Correct Answer: C. Cockerell
Correct Answer: Richard Trevithik
Correct Answer: Percy LeBaron Spencer
Correct Answer: Thomas Moore
Correct Answer: Barometer
Correct Answer: Walksman
Correct Answer: Screw propellor
Correct Answer: Waterbed
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