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Prateek Asked :

19-09-2021 Rocket Propulsion

Q. What is the typical liquid propellant feed system used in space launch vehicles?

A. The Gas pressure feed system
B. Pump-fed system
C. Gravity assisted feed system
D. No feed system is used

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Dapzoi Verified
Commented on 2021-09-19 16:02:58 (IST)
Answer: B

Explanation: In vehicles used for space launch, the thrust required and the overall energy of propulsion required is too high. In such cases, the rate of supply of propellants to the combustion chamber will be high. A pump fed system is capable of generating a large mass flow rate of the propellants. Hence it is used here.