The invention of the common household vacuum storage device known as the Thermos Flask was developed by whom? MCQ with Answer and Explanation

Question

Share Report Error

The invention of the common household vacuum storage device known as the Thermos Flask was developed by whom?

A. Willis Carrier

B. James Joule

C. James Dewar

D. Thomas Edison

Answer: Option C

Solution (By JKSSB Mock Tests)

Sir James Dewar invented the double-walled vacuum-insulated silvered glass flask in 1892 to isolate cryogenic liquefied gases.

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

Share Report

Who discovered the specific mathematical constant linking the energy of a photon to its frequency?

A. Albert Einstein

B. Niels Bohr

C. Werner Heisenberg

D. Max Planck

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Max Planck discovered Planck's constant ($h$) as part of his derivation of blackbody radiation energy laws.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Share Report

The invention of the flash memory architecture, ubiquitous in USB drives and SSDs, was developed by whom?

A. Douglas Engelbart

B. Tim Berners-Lee

C. Fujio Masuoka

D. Alan Turing

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Fujio Masuoka invented both NOR and NAND flash memory while working at Toshiba in the 1980s.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

Share Report

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

A. Daniel Bernoulli

B. Isaac Newton

C. Blaise Pascal

D. Archimedes

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

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

Explore All Inventions and Discoveries MCQs