Q1. The main principle behind rocket propulsion is:
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Q2. The exhaust velocity of a rocket depends on:
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Q3. The specific impulse of a rocket engine is defined as:
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Q4. Which type of propulsion system uses both liquid fuel and oxidizer?
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Q5. Solid rocket motors are commonly used because they:
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Q6. The main disadvantage of solid rocket motors is:
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Q7. The Tsiolkovsky rocket equation relates:
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Q8. Which type of propellant combination is used in cryogenic engines?
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Q9. Hybrid rockets use:
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Q10. The thrust produced by a rocket is given by:
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Q11. In vacuum, rocket efficiency is:
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Q12. The staging of rockets is used to:
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Q13. Ion thrusters work on the principle of:
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Q14. The main advantage of liquid rocket engines is:
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Q15. The O/F ratio in rocket propulsion refers to:
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Q16. The nozzle used in rockets is generally:
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Q17. Which loss is most significant in chemical rockets?
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Q18. Electric propulsion systems have:
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Q19. Which rocket engine was used in the Saturn V first stage?
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Q20. The main limitation of nuclear thermal rockets is:
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