Question : Who invented the helicopter?
Option 1: Nicolaus Copernicus
Option 2: Igor Sikorsky
Option 3: Francis Cockrell
Option 4: Drinker
New: SSC CHSL tier 1 answer key 2024 out | SSC CHSL 2024 Notification PDF
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Correct Answer: Igor Sikorsky
Solution : The correct answer is Igor Sikorsky.
The first successful multi-motor aircraft and the first production helicopter were both created by Igor Sikorsky. He was inducted into the International Air and Space Hall of Fame in 1966. He was born in 1889 and was a Russian-origin American aviation scientist. He designed and built the first successful single-rotor helicopter in the United States.
Candidates can download this e-book to give a boost to thier preparation.
Result | Eligibility | Application | Admit Card | Answer Key | Preparation Tips | Cutoff
Question : Who invented Helicopter?
Question : Who invented of 'Helicopter' ?
Question : Who invented the battery?
Question : Who invented the safety razor?
Question : Who invented the contact lens?
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile