General Knowledge - Inventions

Exercise :: Inventions - Section 1

  • Inventions - Section 1
57. 

What invention was first installed at a Hartford, Connecticut bank in 1889?

A. Automatic teller machine
B. Time-lock safe
C. Burglar alarm
D. Pay telephone

Answer: Option D

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?

A. Golf tee
B. Motorboat
C. Water skis
D. Hang glider

Answer: Option C

Explanation:

The new item was first used on Lake Pepin in Minnesota.

59. 

Who invented Bifocal Lens?

A. Alfred B. Nobel
B. Thomas Alva Edison
C. Benjamin Franklin
D. Rudolf Diesel

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

60. 

What Karl Benz invented?

A. Gasoline powered automobile
B. Streetcar
C. Glider
D. Steam turbine

Answer: Option A

Explanation:

Invented in 1885.

61. 

When were bar code scanners invented?

A. 1940s
B. 1950s
C. 1970s
D. 1960s

Answer: Option C

Explanation:

The scanner reads the bar code label on something at a supermarket, and translates it into a number which the computer reads.

62. 

When was the game Frisbee invented?

A. 1920s
B. 1900s
C. 1870s
D. 1890s

Answer: Option C

Explanation:

The first Frisbees were pie tins from the Frisbie Pie Company in Connecticut. In the 1950s, the pie tins were changed to plastic plates. The name then became the Flying Saucer, but later changed to Frisbee.

63. 

This English inventor is known as the 'Father of Computing.'

A. Philo Farnsworth
B. J. Presper Eckert
C. John Mauchly
D. Charles Babbage

Answer: Option D

Explanation:

Mauchly and Eckert invented the ENIAC computer. Farnsworth was a pioneer of early television.

64. 

Who invented Airship (rigid)?

A. Dr. Alan M. Turing
B. Roger Bacon
C. G. Ferdinand Von Zeppelin
D. Otto

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.