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- Question
What Elisha Otis invented?
Options- A. The brake used in modern elevators
- B. Jet Engine
- C. Turbine
- D. Hydraulic Crane
- Correct Answer
- The brake used in modern elevators
ExplanationIn 1853, American inventor Elisha Otis demonstrated a freight elevator equipped with a safety device to prevent falling in case a supporting cable should break. This increased public confidence in such devices. Otis established a company for manufacturing elevators and patented (1861) a steam elevator.Many people think that he invented the elevator, but the truth is, he invented the elevator brake. He also invented the railway safety brake.
Inventions problems
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- 1. What invention was first installed at a Hartford, Connecticut bank in 1889?
Options- A. Automatic teller machine
- B. Time-lock safe
- C. Burglar alarm
- D. Pay telephone Discuss
Correct Answer: Pay telephone
Explanation:
William Gray, inventor of the pay telephone, also invented the inflatable chest protector worn by baseball umpires and catchers.- 2. Who came up with the idea for INSTANT MASHED POTATO?
Options- A. S. Tuberosum
- B. W. Raleigh
- C. E. Asselbergs
- D. K. Edwards Discuss
Correct Answer: E. Asselbergs
Explanation:
Instant mash was invented by Edward A Asselbergs, a Canadian, in 1962. The mash is actually dehydyated potato flakes.- 3. What J. B. Dunlop invented?
Options- A. Pneumatic rubber tire
- B. Automobile wheel rim
- C. Rubber boot
- D. Model airplanes Discuss
Correct Answer: Pneumatic rubber tire
Explanation:
John Boyd Dunlop, a veterinary surgeon, invented the pneumatic tyre in 1887.- 4. What Karl Benz invented?
Options- A. Gasoline powered automobile
- B. Streetcar
- C. Glider
- D. Steam turbine Discuss
Correct Answer: Gasoline powered automobile
Explanation:
Invented in 1885.- 5. What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931?
Options- A. String bikini
- B. Muumuu
- C. Aloha shirt
- D. Capri pants Discuss
Correct Answer: Aloha shirt
Explanation:
An Aloha shirt is a brightly colored tropical print shirt that is a popular souvenir of Hawaii.- 6. What charge card, developed in 1950, was the first to be accepted nationally in the US?
Options- A. Visa
- B. Discover
- C. MasterCharge
- D. Diner's Club Discuss
Correct Answer: Diner's Club
Explanation:
The card was invented by Frank McNamara and Ralph Schneider.- 7. Who invented the Seed Drill?
Options- A. Jethro Tull
- B. Arlo Guthrie
- C. Woodie Guthrie
- D. Thomas Hines Discuss
Correct Answer: Jethro Tull
Explanation:
It was invented around the early 1700's.- 8. Who invented Bicycle?
Options- A. Leo H Baekeland
- B. Karl Benz
- C. Evangelista Torricelli
- D. Kirkpatrick Macmillan Discuss
Correct Answer: Kirkpatrick Macmillan
- 9. What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?
Options- A. Telegraph
- B. Radio
- C. Television
- D. Dishwasher Discuss
Correct Answer: Television
Explanation:
Zworykin invented both the tube (iconoscope) for transmission and the receiver (kinescope) in 1923 and 1924, respectively.- 10. When were blue jeans invented?
Options- A. 1900s
- B. 1860s
- C. 1870s
- D. 1850s Discuss
Correct Answer: 1850s
Explanation:
The first blue jeans were invented by tailor Levi Strauss, who invented tougher working pants for the miners of the California Gold Rush.
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