space medium MCQ

Which stage of PSLV uses solid propellant?

  1. Only first stage
  2. First and third stages
  3. Second and fourth stages
  4. All stages

Answer: First and third stages

PSLV is a four-stage vehicle alternating between solid and liquid propulsion. The first (PS1) and third (PS3) stages use solid propellants, while the second (PS2) and fourth (PS4) use liquid propellants.

Topic Space Technology - Launch Vehicles
Exam Relevance SSC CHSL, Railway JE
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