Question

what is used to prevent freezing of fuel in spacecraft

Answer 1

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Here is the answer---

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Answer ⇒ Heaters


Explanation ⇒ 

↔ Regeneratively Cooled Heaters are Installed Strategically throughout the Fuel System to Prevent the Freezing of the Fuel.

↔ These Heaters stores the Heat when they are in front of the sun and they Provides the Heat to the Fuel whenever the Temperature of the Fuel changes from its Normal Temperature. Thus, they Maintains the Temperature of the Fuel in Spacecrafts.

↔ Also, Cryogenic Fuels are used in the Spacecrafts that can be stored at an very low Temperature.


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