The invention of the common industrial building safety device known as the wire rope cable line was patented by whom? MCQ with Answer and Explanation
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Question #1
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The invention of the machine gun is historically associated with which American inventor?
Correct Answer: Option A
Explanation:
Richard Gatling invented the Gatling gun, the first highly successful rapid-fire multi-barrel machine gun, during the American Civil War.
Richard Gatling invented the Gatling gun, the first highly successful rapid-fire multi-barrel machine gun, during the American Civil War.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered that electrical currents pass through vacuum cavities via discrete streams named 'Cathode Rays'?
Correct Answer: Option A
Explanation:
Plücker observed early glow phenomena, and Crookes engineered highly evacuated discharge tubes to isolate ray behaviors.
Plücker observed early glow phenomena, and Crookes engineered highly evacuated discharge tubes to isolate ray behaviors.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the common computing peripheral device known as the dot-matrix print layout was introduced by which company?
Correct Answer: Option D
Explanation:
Centronics introduced the impact needle dot matrix printer model in 1970, standardizing early computer ribbon output designs.
Centronics introduced the impact needle dot matrix printer model in 1970, standardizing early computer ribbon output designs.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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