The Hovercraft was invented by which British engineer? MCQ with Answer and Explanation

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The Hovercraft was invented by which British engineer?

A. Frank Whittle

B. Christopher Cockerell

C. James Dyson

D. John Logie Baird

Answer: Option B

Solution (By JKSSB Mock Tests)

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

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The discovery of the charge-coupled device (CCD), which replaces film with digital sensor pixels in cameras, was made by whom?

A. Charles Kao

B. Theodore Maiman

C. Fujio Masuoka

D. Willard Boyle and George E. Smith

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Correct Answer: Option D

Explanation:
Boyle and Smith invented the CCD at Bell Labs in 1969, fundamentally altering digital imaging, which won them a 2009 Nobel Prize.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who invented the first commercially practical incandescent light bulb in 1879?

A. Humphry Davy

B. Thomas Edison

C. Joseph Swan

D. Nikola Tesla

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Correct Answer: Option B

Explanation:
Thomas Alva Edison developed a fully practical carbon-filament incandescent lamp and public power utility system.

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Question #3

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The invention of the common mechanical pencil sharpener layout with internal planetary gears was patented by whom?

A. Nicolas Conté

B. John Lee Love

C. Christopher Sholes

D. Walter Hunt

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Correct Answer: Option B

Explanation:
African-American inventor John Lee Love patented the simple, functional portable mechanical sharpener layout ('Love Sharpener') in 1897.

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