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Prateek Asked :

19-09-2021 Rocket Propulsion

Q. Which of the following is not a valid classification of rocket engines based on their energy source?

A. Chemical
B. Geothermal
C. Solar
D. Nuclear


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Dapzoi Verified
Commented on 2021-09-19 16:01:45 (IST)
Answer: b

Explanation: Chemical, solar, nuclear, electric are all different types of rocket engines based on their energy sources. But geothermal energy source is limited locally on earth and can’t be harnessed for the whole course of the rocket’s journey.