The invention of the highly stable high-speed ship hull configuration known as the Hydrofoil was patented by whom? MCQ with Answer and Explanation

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The invention of the highly stable high-speed ship hull configuration known as the Hydrofoil was patented by whom?

A. Enrico Forlanini and Alexander Graham Bell

B. Charles Parsons

C. Robert Fulton

D. John Ericsson

Answer: Option A

Solution (By JKSSB Mock Tests)

Forlanini and Bell developed wings that lifted boat hulls out of the water to eliminate surface drag friction.

This question belongs to: Static General Knowledge Inventions and Discoveries

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The invention of the common industrial building safety device known as the wire rope cable line was patented by whom?

A. Wilhelm Albert

B. George Stephenson

C. Elisha Otis

D. Henry Bessemer

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Correct Answer: Option A

Explanation:
German mining engineer Wilhelm Albert fabricated twisted iron wire ropes in 1834 to replace hemp mine hoist chains.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who discovered the law of planetary gravitation, formalizing that attractive force is inversely proportional to square distance?

A. Robert Hooke

B. Galileo Galilei

C. Isaac Newton

D. Johannes Kepler

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Correct Answer: Option C

Explanation:
Sir Isaac Newton published the Universal Law of Gravitation in his monumental work 'Principia Mathematica' in 1687.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

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Who discovered that electrical currents passing through solutions break down compounds chemically, formalizing the Laws of Electrolysis?

A. Alessandro Volta

B. Michael Faraday

C. Svante Arrhenius

D. Humphry Davy

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Correct Answer: Option B

Explanation:
Michael Faraday established the quantitative laws of electrolysis, introducing terms like anode, cathode, and ion.

This question belongs to: Static General Knowledge Inventions and Discoveries

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