Exams › SSC CGL (Prelims) › General

Read the following statements marked as Assertion (A) and Reason (R). Choose the correct option. Assertion (A): Scramjet engines are considered critical for the development of India's future hypersonic flight vehicles. Reason (R): Scramjet engines operate by utilizing atmospheric oxygen as an oxidizer, making them efficient at supersonic speeds.

1. Both A and R are true, and R is the correct explanation of A
2. Both A and R are true, but R is not the correct explanation of A
3. A is true, but R is false
4. A is false, but R is true

Correct answer: Both A and R are true, and R is the correct explanation of A

Solution

Both statements are true. Scramjets are important for hypersonic vehicles because they use atmospheric oxygen instead of carrying oxidizer, which makes them efficient at very high speeds.

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