Science and Technology · Cryogenic Propellants in Space Technology
Consider the following substances in the context of rocket propulsion systems: I. Liquid Hydrogen II. Liquid Oxygen III. Liquid Methane IV. Liquid Nitrogen V. Liquid Helium VI. Liquid Carbon Dioxide How many of the above are commonly used as cryogenic propellants (fuels or oxidisers) in rocket propulsion systems?
- 1Only five
- 2Only four
- 3Only three✓
- 4Only two
Correct answer
Only three
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