Dual mode ramjet (DMRJ)

Q.  Which of the following is/are true regarding Dual mode ramjet (DMRJ)?

1) DMRJ acts like scramjet over Mach 3-6 range.
2) Though it is dual mode ramjet it only has subsonic combustor mode.
- Published on 01 Sep 16

a. Only 1
b. Only 2
c. Both 1 and 2
d. Neither 1 nor 2

ANSWER: Neither 1 nor 2
 
  • A dual mode ramjet (DMRJ) is a type of jet engine where a ramjet transforms into scramjet over Mach 4-8 range, which means it can efficiently operate both in subsonic and supersonic combustor modes.
  • The Dual Mode Ramjet (DMRJ), the ramjet-scramjet combination, is currently under development, which will operate during the crucial Mach 3 to Mach 9 ascend flight of the launch vehicle.
  • An Advanced Technology Vehicle (ATV) based on sounding rocket was developed for DMRJ Flight Technology demonstration and one developmental flight, ATV-D01, was conducted.

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