The first practical high-pressure steam engine was constructed by which mechanical pioneer? MCQ with Answer and Explanation

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The first practical high-pressure steam engine was constructed by which mechanical pioneer?

A. Thomas Newcomen

B. James Watt

C. Richard Trevithick

D. George Stephenson

Answer: Option C

Solution (By JKSSB Mock Tests)

Richard Trevithick built high-pressure industrial engines capable of generating high power outputs from lightweight boilers.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The invention of the common mechanical office stapler mechanism was popularized by which manufacturing developer?

A. George McGill and the Boston Wire Stitcher Company

B. John Loud

C. Walter Hunt

D. Christopher Sholes

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Correct Answer: Option A

Explanation:
McGill patented functional malleable brass paper fasteners, and industrial developers later automated magazine tracking feeds.

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Question #2

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The invention of the common mechanical thermometer scale fixed at 0 for freezing and 100 for boiling water was done by whom?

A. Daniel Gabriel Fahrenheit

B. René Antoine Ferchault de Réaumur

C. Anders Celsius

D. Lord Kelvin

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Correct Answer: Option C

Explanation:
Swedish astronomer Anders Celsius proposed the centigrade temperature scale in 1742.

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Question #3

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Who discovered the law of electromagnetic induction in 1831?

A. Hans Christian Ørsted

B. Michael Faraday

C. Heinrich Hertz

D. James Clerk Maxwell

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Correct Answer: Option B

Explanation:
Michael Faraday discovered electromagnetic induction, leading to the development of electric generators and transformers.

This question belongs to: Static General Knowledge Inventions and Discoveries

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