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Prateek Asked :

19-09-2021 Rocket Propulsion

Q. Which of the following is not an air-breathing engine?

A. Turbojet
B. Turbofan
C. Rocket
D. Scramjet

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Dapzoi Verified
Commented on 2021-09-19 16:01:22 (IST)
Answer: c

Explanation: Unlike turbojet, turbofan, scramjet, ramjet or turboprop engines, rockets are not air-breathing engines. It carries both fuel and oxidizer along with it, while the other engines suck in air to undergo combustion with the stored fuel.