The invention of the common chemical process for mass-producing high-grade steel from molten pig iron is named after whom? MCQ with Answer and Explanation

The invention of the common chemical process for mass-producing high-grade steel from molten pig iron is named after whom?

A. James Watt

B. Henry Bessemer

C. Carl Wilhelm Siemens

D. Andrew Carnegie

Answer: Option B

The Bessemer Process removes structural impurities via air blasting through molten iron matrices, decreasing production costs.

This question belongs to: Static General Knowledge Inventions and Discoveries

No comments yet. Be the first to start the discussion!

Question #1 Report Error

Who invented the first thermionic valve (vacuum tube diode) in 1904?

A. John Ambrose Fleming

B. Lee de Forest

C. Nikola Tesla

D. Thomas Edison

Correct Answer: Option A

Explanation:
John Ambrose Fleming invented the oscillation valve, the first vacuum tube diode, which transformed radio technology.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2 Report Error

The invention of the iconic acoustic phonograph recording flat disc format (Gramophone) was developed by whom?

A. Emile Berliner

B. Nikola Tesla

C. Alexander Graham Bell

D. Thomas Edison

Correct Answer: Option A

Explanation:
Emile Berliner introduced flat zinc discs with lateral groove tracking in 1887, outperforming Edison's hollow wax storage cylinders.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3 Report Error

Who discovered that atomic electronic distributions can be mapped inside multi-dimensional coordinate grids, formulating Matrix Mechanics?

A. Erwin Schrödinger

B. Wolfgang Pauli

C. Werner Heisenberg, Max Born, and Pascual Jordan

D. Niels Bohr

Correct Answer: Option C

Explanation:
Heisenberg formulated matrix quantum mechanics in 1925, which Born and Jordan mathematically structured into matrix arrays.

This question belongs to: Static General Knowledge Inventions and Discoveries