Q. Consider the following statements regarding the Scramjet engine:
1.A Scramjet engine uses atmospheric oxygen for combustion and operates efficiently at hypersonic speeds (Mach 5+).
2.Scramjet engines have multiple moving parts, including compressors and turbines, to manage supersonic airflow.
Which of the statements given above is/are correct?
Answer: A
Notes:
Explanation:
- Statement 1 is correct: Scramjet engines are air-breathing and operate at hypersonic speeds by using atmospheric oxygen for combustion.
- Statement 2 is incorrect: Scramjets have no moving parts and rely purely on the vehicle’s high speed to compress air for combustion.
Source– Forum IAS
