stage rocket meaning in Hindi

Examples

1. It can be dangerous to use upper-stage engines in normal single-stage rockets.
2. In 1924, Tsiolkovsky also wrote about multi-stage rockets, in'Cosmic Rocket Trains '.
3. Then last August, North Korea launched a three-stage rocket over Japan.
4. January's accident was blamed on a turbo-pump failure freezing the third-stage rocket motor.
5. In 1939, Merkulov did further ramjet tests using a two-stage rocket, the R-3.
6. The Blue Scout I was a three-stage rocket derived from the Scout X-1.
7. The Meteor 3 was a two-stage rocket, developed from Meteor 1.
8. Kistler is developing a two-stage rocket to lift satellites into space.
9. Conrad, plans an expendable two-stage rocket with a new engine design.
10. Aspects of the first single-stage rocket were assigned to each student.