Who invented the first practical mechanical television system? MCQ with Answer and Explanation

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Who invented the first practical mechanical television system?

A. John Logie Baird

B. Guglielmo Marconi

C. Philo Farnsworth

D. Vladimir Zworykin

Answer: Option A

Solution (By JKSSB Mock Tests)

John Logie Baird demonstrated the first working mechanical television system in the 1920s.

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 electronic storage method known as the floppy disk was developed by which company?

A. IBM engineering team led by Alan Shugart

B. Xerox

C. Apple

D. Sony

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Correct Answer: Option A

Explanation:
IBM introduced the 8-inch magnetic coated flexible disk system in 1971 to load microcode patches into mainframes.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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The invention of the common automotive safety equipment known as the three-point seatbelt was patented by whom?

A. Karl Benz

B. Henry Ford

C. Nils Bohlin for Volvo

D. Garrett Morgan

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Correct Answer: Option C

Explanation:
Swedish engineer Nils Bohlin developed the modern cross-lap safety harness configuration in 1959, saving countless lives across traffic boundaries.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

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The invention of the common chemical manufacturing system known as the Chamber Process optimized production of what?

A. Sulfuric Acid

B. Bleaching Powder

C. Soda Ash

D. Nitric Acid

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Correct Answer: Option A

Explanation:
John Roebuck patented the lead-chamber method in 1746, enabling the mass production of sulfuric acid, a key chemical of the Industrial Revolution.

This question belongs to: Static General Knowledge Inventions and Discoveries

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