The invention of the common automotive safety equipment known as the three-point seatbelt was patented by whom? MCQ with Answer and Explanation
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Question #1
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Who discovered the biological presence of blood platelets and their exact role in physical blood coagulation?
Correct Answer: Option A
Explanation:
Italian pathologist Bizzozero identified blood platelets ('piastrine') in 1882, describing how they aggregate to plug damaged blood vessels.
Italian pathologist Bizzozero identified blood platelets ('piastrine') in 1882, describing how they aggregate to plug damaged blood vessels.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the mechanical printing press was dramatically optimized by Gutenberg using an alloy of which metals?
Correct Answer: Option D
Explanation:
Gutenberg formulated a specialized type metal alloy that melted at low temperatures but resisted high casting pressures.
Gutenberg formulated a specialized type metal alloy that melted at low temperatures but resisted high casting pressures.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that atomic structural properties are governed by specific continuous wave function coordinates, formulating Wave Mechanics?
Correct Answer: Option D
Explanation:
Erwin Schrödinger formulated the Schrödinger Equation in 1925, introducing wave function dynamics to quantum models.
Erwin Schrödinger formulated the Schrödinger Equation in 1925, introducing wave function dynamics to quantum models.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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