The invention of the common mechanical marine escape capsule configuration was engineered by whom? MCQ with Answer and Explanation

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The invention of the common mechanical marine escape capsule configuration was engineered by whom?

A. John Ericsson

B. Alexander Mitchell

C. Cornelis Drebbel

D. Robert Fulton

Answer: Option D

Solution (By JKSSB Mock Tests)

Fulton optimized underlying physical buoyancy balances, generating early blueprints for underwater tracking and marine transport apparatus.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who invented the first working internal combustion engine powered by gasoline?

A. Karl Benz

B. Nikolaus Otto

C. Rudolf Diesel

D. Henry Ford

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Correct Answer: Option A

Explanation:
Karl Benz is widely acknowledged as the inventor of the modern gasoline-powered automobile (1885/1886) using an internal combustion engine.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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The invention of high-strength Kevlar fiber, used in body armor, is credited to which female chemist?

A. Dorothy Hodgkin

B. Marie Curie

C. Rosalind Franklin

D. Stephanie Kwolek

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Correct Answer: Option D

Explanation:
Stephanie Kwolek invented the exceptionally strong synthetic fiber Kevlar at DuPont in 1965.

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Question #3

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The invention of the high-velocity steam engine turbine 'De Laval' type with convergent-divergent nozzles was done by whom?

A. Thomas Newcomen

B. Gustaf de Laval

C. Charles Parsons

D. James Watt

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Correct Answer: Option B

Explanation:
Gustaf de Laval developed the specialized nozzle configuration that accelerates steam to supersonic speeds, improving kinetic transfer.

This question belongs to: Static General Knowledge Inventions and Discoveries

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