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

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

A. George Stephenson

B. Richard Trevithick

C. James Watt

D. Thomas Newcomen

Answer: Option B

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 Report Error

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

A. John Loud

B. Christopher Sholes

C. Walter Hunt

D. George McGill and the Boston Wire Stitcher Company

Correct Answer: Option D

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

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2 Report Error

Who discovered the law of buoyant force acting on a submerged object?

A. Daniel Bernoulli

B. Isaac Newton

C. Blaise Pascal

D. Archimedes

Correct Answer: Option D

Explanation:
Archimedes of Syracuse formulated the principle of buoyancy, known as Archimedes' Principle.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3 Report Error

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

A. John Ericsson

B. Enrico Forlanini and Alexander Graham Bell

C. Robert Fulton

D. Charles Parsons

Correct Answer: Option B

Explanation:
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