The invention of the modern pneumatic tire containing compressed inner air tubes was patented by which developer? MCQ with Answer and Explanation

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The invention of the modern pneumatic tire containing compressed inner air tubes was patented by which developer?

A. Karl Benz

B. Charles Goodyear

C. Robert William Thomson

D. John Boyd Dunlop

Answer: Option D

Solution (By JKSSB Mock Tests)

John Boyd Dunlop patented a highly successful commercial pneumatic tire in 1888 for his son's tricycle, reducing operational friction.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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Who discovered that certain types of chemical reactions produce electricity spontaneously, formalizing electrochemical cells?

A. Humphry Davy

B. Georg Ohm

C. Luigi Galvani and Alessandro Volta

D. Michael Faraday

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Correct Answer: Option C

Explanation:
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.

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Question #2

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Who discovered the presence of electrons within stable atomic configurations by modeling the 'Plum Pudding' atom?

A. J.J. Thomson

B. Niels Bohr

C. John Dalton

D. Ernest Rutherford

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Correct Answer: Option A

Explanation:
J.J. Thomson proposed the model where small negatively charged electrons are embedded in a uniform sphere of positive charge.

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Question #3

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Who discovered the process of vulcanization, which makes natural rubber durable and temperature-resistant?

A. Charles Goodyear

B. Leo Baekeland

C. John Dunlop

D. Wallace Carothers

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Correct Answer: Option A

Explanation:
Charles Goodyear accidentally discovered that heating sulfur-treated natural rubber creates a stable, cross-linked polymer matrix.

This question belongs to: Static General Knowledge Inventions and Discoveries

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