Who invented the first operational safety air-brake system for high-speed railway trains? MCQ with Answer and Explanation

Question
Who invented the first operational safety air-brake system for high-speed railway trains?
A. James Watt
B. George Stephenson
C. Elisha Otis
D. George Westinghouse
Answer: Option D
Solution (By JKSSB Mock Tests)
George Westinghouse patented the compressed-air brake in 1869, automating uniform halting across all train cars simultaneously.
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
The invention of the common household cooking device known as the Microwave Oven was an accidental discovery by whom?
A. Thomas Edison
B. Theodore Maiman
C. Percy Spencer
D. Robert Watson-Watt
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Spencer noticed a candy bar melted in his pocket in 1945 while standing near an active military radar magnetron vacuum tube.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered the vaccine for Rabies?
A. Louis Pasteur
B. Robert Koch
C. Jonas Salk
D. Edward Jenner
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Louis Pasteur developed the first vaccine against rabies by cultivating the virus in rabbits and drying the affected nerve tissue.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
The invention of the common chemical element identification device known as the spectroscope was co-developed by whom?
A. Antoine Lavoisier
B. Dmitri Mendeleev
C. Humphry Davy
D. Robert Bunsen and Gustav Kirchhoff
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Bunsen and Kirchhoff integrated clean flame burners with light-splitting prisms to discover cesium and rubidium through emission lines.
This question belongs to: Static General Knowledge Inventions and Discoveries
Explore All Inventions and Discoveries MCQs
Today's Top Topics
Classical Dances of India 442 Science and Technology 466 Folk Dances of India 306 UNESCO World Heritage Sites 189 States and Capitals of India 256
Explore Subjects
Accountancy and Statistics 3179 Economy GK 2220 English 15164 Computer 5279 Current Affairs 575
Practice Mix
Which of the following is an indirect tax in India?
The valve between the left atrium and left ventricle is the:
A person faces north. He turns 45° left, then 90° right, then 45° left. Which direction is he facing?
Under the Income Tax Act, the 'TDS' on the sale of an immovable property (other than agricultural land) by a resident is governed by which section, and what is the rate?
In 'Piecemeal Distribution' during dissolution, the first priority for payment of outside liabilities is: