Why is hydrogen used as fuel in a cryogenic engine?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer:
Because it produces the highest energy per kilogram
Explanation:
Hydrogen is used as a fuel in Cryogenic Engine because it has a very high energy per unit mass. This allows rockets to generate greater thrust and efficiency.
Key Points:
• Fuel: Hydrogen
• Property: High energy per kilogram
• Use: Cryogenic rocket engines
Additional Facts:
• Hydrogen is stored in liquid form at extremely low temperatures.
• It reacts with oxygen to release a large amount of energy.
Important Exam Questions:
Why is hydrogen used in cryogenic engines?
Answer: Due to high energy output
What is the main property of hydrogen?
Answer: High energy per kilogram