The invention of the first practical household mechanical washing machine is attributed to which developer? MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Inventions and Discoveries Questions
Question #1
Report Error
Who discovered the presence of the planet Jupiter's four largest satellite moons in 1610?
Correct Answer: Option A
Explanation:
Galileo observed Io, Europa, Ganymede, and Callisto using his primitive refracting glass telescope.
Galileo observed Io, Europa, Ganymede, and Callisto using his primitive refracting glass telescope.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
Report Error
The invention of the common mechanical device known as the automated teller machine (ATM) was patented by whom?
Correct Answer: Option A
Explanation:
Shepherd-Barron deployed early mechanical paper-voucher ATMs for Barclays Bank in London in 1967.
Shepherd-Barron deployed early mechanical paper-voucher ATMs for Barclays Bank in London in 1967.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
Report Error
Who discovered that elements display periodic physical attributes when arranged strictly by atomic weight values?
Correct Answer: Option D
Explanation:
Mendeleev and Meyer independently formulated structural periodic tables, but Mendeleev gained fame by accurately predicting undiscovered elements.
Mendeleev and Meyer independently formulated structural periodic tables, but Mendeleev gained fame by accurately predicting undiscovered elements.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
No comments yet. Be the first to start the discussion!