space medium Fill in the Blank

Green monopropellants like AF-M315E replace hydrazine offering higher performance and reduced _______.

  1. density
  2. toxicity/handling hazards
  3. specific impulse
  4. storage temperature

Answer: toxicity/handling hazards

Hydroxylammonium nitrate-based propellants eliminate carcinogenic hydrazine handling risks while delivering ~10% higher Isp; adopted in GPIM/ESCAPADE missions.

Topic Space Technology - Propulsion
Exam Relevance SSC CHSL, Railway JE
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