Rocket Science Quiz

Which form of energy is most useful for propulsion?

• The kinetic energy of ejected matter

• The chemical energy of combustion of propellants

• The potential energy of the rocket at some altitude

• The electrical energy of the rocket control system

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What is the way of production of energy in a chemical rocket?

• Ionization of propellants

• Combustion of propellants

• Expulsion of propellants

• Atomization of propellants

For which of these flows do we need a convergent duct to increase the velocity of the flow?

• Subsonic flow

• Supersonic flow

• Hypersonic flow

• Sonic flow

Name the Rocket engine used in the first stage of the rocket. How many of them are used and how many of them are actuated

Name Me. This was a NASA asteroid-study and sample-return mission that visited and collected samples from 101955 Bennu, a carbonaceous near-Earth asteroid.

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What’s the Incident. In June 4,1996, a software bug led to the failure of a maiden rocket launch that led to a loss of 370 million dollar. What is this incident called? The flight only lasted for 40 seconds

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Name the Engine Used in the following spacecraft

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In January 4 2021, Space X’s Falcon 9 broke the record for carrying the most no of satellites into space in a single launch. How many satellites did it carry?

How many stages does the PSLV have, and what types of propulsion are used in these stages?

• 3 stages; solid and liquid propulsion

• 4 stages; solid and liquid propulsion

• 4 stages; only solid propulsion

• 5 stages; only solid propulsion

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What is the primary propulsion system used in the Falcon 9 rocket?

• Liquid Oxygen (LOX) and Kerosene (RP-1)

• Solid rocket boosters

• Hydrogen Peroxide

• Liquid Hydrogen