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General Knowledge - Inventions

Exercise : Inventions - Section 1
  • Inventions - Section 1
56.
What Henry Bessemer invented?
Aluminum
Electroplating
Steel Converter
Steel rolling mill
Answer: Option
Explanation:
Invented in 1856.
57.
What invention was first installed at a Hartford, Connecticut bank in 1889?
Automatic teller machine
Time-lock safe
Burglar alarm
Pay telephone
Answer: Option
Explanation:
William Gray, inventor of the pay telephone, also invented the inflatable chest protector worn by baseball umpires and catchers.
58.
Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
Golf tee
Motorboat
Water skis
Hang glider
Answer: Option
Explanation:
The new item was first used on Lake Pepin in Minnesota.
59.
Who invented Bifocal Lens?
Alfred B. Nobel
Thomas Alva Edison
Benjamin Franklin
Rudolf Diesel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
60.
What Karl Benz invented?
Gasoline powered automobile
Streetcar
Glider
Steam turbine
Answer: Option
Explanation:
Invented in 1885.
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