Who invented the safety elevator in 1852, which prevented the cab from falling if the cable broke? MCQ with Answer and Explanation

Question
Who invented the safety elevator in 1852, which prevented the cab from falling if the cable broke?
A. Henry Bessemer
B. Elisha Otis
C. James Watt
D. Thomas Edison
Answer: Option B
Solution (By JKSSB Mock Tests)
Elisha Otis invented the elevator safety brake in 1852, making skyscrapers practical and safe.
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 structure of benzene ring ($C_6H_6$) was discovered by which chemist?
A. Dmitri Mendeleev
B. Antoine Lavoisier
C. Friedrich August Kekulé
D. Robert Boyle
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Friedrich August Kekulé discovered the ring structure of benzene after famously having a daydream of a snake biting its own tail.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered the antibiotic Streptomycin, the first effective cure for tuberculosis, winning a Nobel Prize in 1952?
A. Selman Waksman
B. Alexander Fleming
C. Howard Florey
D. Edward Abraham
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Selman Waksman discovered several antibiotics produced by soil microbes, including streptomycin.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered that the chemical element Chromium is isolated from Siberian red lead ore matrices?
A. Carl Wilhelm Scheele
B. Louis-Nicolas Vauquelin
C. Antoine Lavoisier
D. Martin Heinrich Klaproth
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Vauquelin isolated chromium in 1797 by treating crocoite mineral crystals with hydrochloric acid compounds.
This question belongs to: Static General Knowledge Inventions and Discoveries
Explore All Inventions and Discoveries MCQs
Today's Top Topics
Awards and Honours 384 Important Days 292 National Parks and Wildlife Sanctuaries of India 430 Folk Dances of India 306 First in India 383
Explore Subjects
Computer 5279 History GK 3374 Science 4430 Economy GK 2220 Maths 5575
Practice Mix
Who discovered the existence of the atomic nucleus through the famous Gold Foil Experiment?
Excluding institutional stops, a transit bus routes at 60 km/h and including stops it runs at 50 km/h. How many minutes does the bus stop per hour?
Select the most appropriate meaning of the idiom: 'Cloud cuckoo land'.
The 'Mumbai' is located on the:
Laspeyres price index uses weights of: