Podcast
Questions and Answers
What is the key difference between a ramjet and a scramjet engine?
What is the key difference between a ramjet and a scramjet engine?
- The type of turbine used
- The number of propellers
- The type of fuel used
- The speed at which they operate (correct)
According to Newton's 1st Law, what is required for an object to accelerate?
According to Newton's 1st Law, what is required for an object to accelerate?
- Mass must be zero
- Thrust must exceed drag (correct)
- Drag must exceed thrust
- Thrust must equal drag
What is the primary function of a propulsion system?
What is the primary function of a propulsion system?
- To produce thrust to push an object forward (correct)
- To change the direction of an aircraft
- To reduce drag on an aircraft
- To generate electricity on an aircraft
What type of engine is commonly used in commercial airliners?
What type of engine is commonly used in commercial airliners?
What is the fundamental principle behind the operation of rocket engines?
What is the fundamental principle behind the operation of rocket engines?
What is the relationship between thrust and drag when an airplane is cruising?
What is the relationship between thrust and drag when an airplane is cruising?
In a solid-fuel rocket, what is the purpose of the hollow core in the grain?
In a solid-fuel rocket, what is the purpose of the hollow core in the grain?
In a liquid-fuel rocket, what is the function of the cooling jacket?
In a liquid-fuel rocket, what is the function of the cooling jacket?
What is the purpose of the turbine in a nuclear rocket?
What is the purpose of the turbine in a nuclear rocket?
What is the term for the gas that escapes from the rocket and generates thrust?
What is the term for the gas that escapes from the rocket and generates thrust?
What is the process of changing a fuel into a stream of electrically charged particles in an ion rocket?
What is the process of changing a fuel into a stream of electrically charged particles in an ion rocket?
What is the primary characteristic of piston engines and propellers used in smaller aircraft?
What is the primary characteristic of piston engines and propellers used in smaller aircraft?
What type of propulsion system is used on airliners and cargo planes?
What type of propulsion system is used on airliners and cargo planes?
What is the principle of jet propulsion similar to?
What is the principle of jet propulsion similar to?
What is the primary characteristic of fighter planes and hypersonic aircraft?
What is the primary characteristic of fighter planes and hypersonic aircraft?
What is the main advantage of rocket engines?
What is the main advantage of rocket engines?
What is the primary principle behind rocket propulsion?
What is the primary principle behind rocket propulsion?
