3. Which system covers most of the space in a rocket?
a pay
load system
b guidance system
c. structural system
d. propulsion system
Out of the following which is not used as liquid propellant?
a. Methanol
b. ethyl alcohol
c. Hydrazine
d liquid hydrogen
5. The working of a rocket is based on the principle of
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Answer:
3rd answers is here
(C) structural system and
4th is Hydrazine
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