Who invented the liquid-fueled rocket engine, launching the world's first successful prototype in 1926? MCQ with Answer and Explanation

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Who invented the liquid-fueled rocket engine, launching the world's first successful prototype in 1926?

A. Hermann Oberth

B. Konstantin Tsiolkovsky

C. Wernher von Braun

D. Robert Goddard

Answer: Option D

Solution (By JKSSB Mock Tests)

Robert H. Goddard launched the first liquid-fueled rocket (using gasoline and liquid oxygen) in Auburn, Massachusetts.

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Question #1

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The invention of the high-power chemical explosive TNT (Trinitrotoluene) was originally intended for use as what?

A. Rocket fuel

B. Disinfectant

C. Yellow dye

D. Mining agent

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Correct Answer: Option C

Explanation:
German chemist Julius Wilbrand discovered TNT in 1863 as a textile dye; its explosive potential was not recognized until decades later.

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Question #2

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The Hovercraft was invented by which British engineer?

A. Frank Whittle

B. James Dyson

C. John Logie Baird

D. Christopher Cockerell

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Correct Answer: Option D

Explanation:
Sir Christopher Cockerell invented the hovercraft (amphibious craft supported by a cushion of air) in 1956.

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Question #3

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The invention of the common mechanical steel plow configuration that allowed farming in tough prairie soil was engineered by whom?

A. Cyrus McCormick

B. Walter Hunt

C. John Deere

D. Eli Whitney

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Correct Answer: Option C

Explanation:
Blacksmith John Deere designed a highly polished self-scouring steel plow share blade in 1837.

This question belongs to: Static General Knowledge Inventions and Discoveries

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