The first practical mechanical sewing machine was patented by whom in 1846? MCQ with Answer and Explanation

Question

Share Report Error

The first practical mechanical sewing machine was patented by whom in 1846?

A. Elias Howe

B. Eli Whitney

C. Isaac Singer

D. Walter Hunt

Answer: Option A

Solution (By JKSSB Mock Tests)

Elias Howe patented the first practical lockstitch sewing machine in the United States in 1846.

This question belongs to: Static General Knowledge Inventions and Discoveries

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Inventions and Discoveries Questions

Question #1

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

A. Joseph Swan

B. Humphry Davy

C. Thomas Edison

D. Nikola Tesla

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

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

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Who discovered that certain types of chemical reactions produce electricity spontaneously, formalizing electrochemical cells?

A. Humphry Davy

B. Georg Ohm

C. Michael Faraday

D. Luigi Galvani and Alessandro Volta

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

Who discovered that the planet Uranus possesses a distinct set of narrow equatorial rings?

A. Giovanni Cassini

B. William Herschel

C. James L. Elliot, Edward W. Dunham, and Douglas J. Mink

D. Galileo Galilei

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
The rings of Uranus were discovered in 1977 during airborne stellar occultation observations, when the planet blocked a background star's light.

This question belongs to: Static General Knowledge Inventions and Discoveries

Explore All Inventions and Discoveries MCQs