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JPSC GS Paper 1 Test 9 • JPSC GS Paper 1 Test 9
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What is used as a propellant in a 'Cryogenic Engine'?

1.
Liquid nitrogen and liquid oxygen
2.
Solid ammonium perchlorate
3.
Liquid hydrogen (fuel) and liquid oxygen (oxidizer) at extremely low temperatures
4.
Kerosene and liquid oxygen

Answer (Detailed Solution Below)

✓
Option 3 : Liquid hydrogen (fuel) and liquid oxygen (oxidizer) at extremely low temperatures (Option C)
📌 Key Points & Important Facts:

The correct answer is Option 3: Liquid hydrogen (fuel) and liquid oxygen (oxidizer) at extremely low temperatures.

This question is part of the official syllabus for JPSC GS Paper 1 Test 9 under JPSC Prelims 2027. Practicing questions with authentic patterns and time limits ensures superior accuracy, speed, and confidence during actual government examinations.

Exam PaperJPSC GS Paper 1 Test 9
SectionJPSC GS Paper 1 Test 9
Total Marks200 Marks
Negative MarkingNONE Marks
Duration120 Mins
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