Rocket Science Quiz

What law of motion is applied to keep the rocket moving?

• Newton's second law

• Newton's law of gravitation

• Newton's first law

• Newton's third law

What is the function of the rocket nozzle?

• To mix fuel and oxidizer

• To increase the exhaust velocity

• To cool the combustion chamber

• To store the fuel

What are converging diverging nozzles used for?

• To convert subsonic flow to supersonic flow

• To ignite the fuel

• To store liquid fuel

• To reduce the rocket's weight

What is the purpose of the turbo pump in a rocket engine?

• To cool the nozzle

• To pump the fuel and oxidizer at an adequate flow rate

• To mix the fuel and oxidizer

• To ignite the fuel

What is the role of the gas generator in a rocket engine?

• To produce hot gas to turn the turbine

• To increase the exhaust velocity

• To store the oxidizer

• To cool the combustion chamber

What is the main advantage of rocket staging?

• To reduce the weight of the rocket

• To increase the fuel efficiency

• To improve the combustion process

• To increase the size of the rocket

What is the final speed a rocket must achieve to successfully reach orbit?

• 28,000 kilometers per hour

• 15,000 kilometers per hour

• 20,000 kilometers per hour

• 10,000 kilometers per hour

What is the purpose of solid propellant strap boosters?

• To cool the rocket

• To store additional fuel

• To mix the fuel and oxidizer

• To assist the lift-off

What is the term used for the process of abandoning burned-off stages of a rocket?

• Rocket ignition

• Rocket staging

• Rocket boosting

• Rocket cooling

What is the modern technique used to maneuver rockets to their destination?

• Turbo pumping

• Gimbaled thrust

• Solid propellant boosting

• Gas generation