GPSC Class 1-2 2021 · Question 8 of 10

What is difference between Ramjet and Scramjet engines used for propulsion? scramjet engines ramjet engines

Science - Propulsion

ARamjet engines use ram air while scramjet engines use oxygen
BIn ramjet engines combustion is at subsonic speeds while in scramjet it is at supersonic speedsCorrect
CIn ramjet engines compressors are used to compress the air to achieve desired speed unlike in
DIn scramjet engines turbines are used for increasing speeds, while there are no turbines in

Answer: B. In ramjet engines combustion is at subsonic speeds while in scramjet it is at supersonic speeds

In ramjet engines, combustion takes place at subsonic speeds, while in scramjet engines combustion occurs at supersonic speeds.

Source: GPSC Gujarat Administrative Service Prelims 26 Dec 2021 (Advt 30/2021-22) - English version

Practice the full GPSC Class 1-2 2021 paper

Timed test with all 10 questions, just like the real exam.

GPSC Class 1-2 2021 · Question 8 of 10

Science - Propulsion

ARamjet engines use ram air while scramjet engines use oxygen
BIn ramjet engines combustion is at subsonic speeds while in scramjet it is at supersonic speedsCorrect
CIn ramjet engines compressors are used to compress the air to achieve desired speed unlike in
DIn scramjet engines turbines are used for increasing speeds, while there are no turbines in

In ramjet engines, combustion takes place at subsonic speeds, while in scramjet engines combustion occurs at supersonic speeds.

Source: GPSC Gujarat Administrative Service Prelims 26 Dec 2021 (Advt 30/2021-22) - English version

Practice the full GPSC Class 1-2 2021 paper

Timed test with all 10 questions, just like the real exam.