Aerospace Engineering EOC Questions
and Answers Latest Version 100% Pass
What principle explains the generation of lift on an aircraft wing?
✔✔ Bernoulli’s principle
What is the effect of increasing the angle of attack on lift?
✔✔ Lift increases, up to a critical angle before stall occurs
What term describes the motion of an aircraft rotating about its lateral axis?
✔✔ Pitch
What is the primary function of an aircraft's horizontal stabilizer?
✔✔ To provide pitch stability
What term describes the resistance to motion caused by friction between the aircraft's surfaces
and the surrounding air?
✔✔ Parasite drag
1
,What are the three main axes of an aircraft?
✔✔ Longitudinal, lateral, and vertical axes
What force is responsible for keeping an aircraft in flight by opposing its weight?
✔✔ Lift
What is the primary function of an aircraft’s ailerons?
✔✔ To control roll by altering the lift on the wings
What is the primary factor that affects the aerodynamic performance of an aircraft?
✔✔ Airspeed
What is the term for the aerodynamic surface on an aircraft used to control its yaw?
✔✔ Rudder
What does the term “stall” refer to in aerodynamics?
✔✔ A condition where the airflow over the wing separates, causing a dramatic loss of lift
2
,What does the term “Mach number” represent?
✔✔ The ratio of the speed of an object to the speed of sound in the surrounding medium
What type of aircraft engine is most commonly used in commercial airliners?
✔✔ Turbojet engine
What is the function of an aircraft’s winglet?
✔✔ To reduce induced drag by improving the flow at the wing tips
What is the effect of reducing the surface area of an aircraft’s wings on drag?
✔✔ It reduces induced drag but can increase parasite drag at higher speeds
What is the main source of power for a turbojet engine?
✔✔ Combustion of fuel mixed with air in the combustion chamber
What is the primary function of the aircraft’s elevators?
✔✔ To control the aircraft’s pitch
3
, What is the effect of increasing the aircraft’s speed on drag?
✔✔ Drag increases as the square of the speed
What are the primary components of an aircraft’s propulsion system?
✔✔ Engine, intake, exhaust, and thrust reversers
What is the definition of "specific impulse" in aerospace engineering?
✔✔ A measure of how efficiently a rocket or engine produces thrust relative to the amount of
fuel consumed
What is the term for the pressure exerted by a fluid (air or liquid) on a surface in contact with it?
✔✔ Dynamic pressure
What is the role of the fuselage in an aircraft?
✔✔ To house the passengers, crew, and cargo while providing structural integrity
What aerodynamic phenomenon occurs when airflow over the aircraft's surfaces becomes
turbulent?
4
and Answers Latest Version 100% Pass
What principle explains the generation of lift on an aircraft wing?
✔✔ Bernoulli’s principle
What is the effect of increasing the angle of attack on lift?
✔✔ Lift increases, up to a critical angle before stall occurs
What term describes the motion of an aircraft rotating about its lateral axis?
✔✔ Pitch
What is the primary function of an aircraft's horizontal stabilizer?
✔✔ To provide pitch stability
What term describes the resistance to motion caused by friction between the aircraft's surfaces
and the surrounding air?
✔✔ Parasite drag
1
,What are the three main axes of an aircraft?
✔✔ Longitudinal, lateral, and vertical axes
What force is responsible for keeping an aircraft in flight by opposing its weight?
✔✔ Lift
What is the primary function of an aircraft’s ailerons?
✔✔ To control roll by altering the lift on the wings
What is the primary factor that affects the aerodynamic performance of an aircraft?
✔✔ Airspeed
What is the term for the aerodynamic surface on an aircraft used to control its yaw?
✔✔ Rudder
What does the term “stall” refer to in aerodynamics?
✔✔ A condition where the airflow over the wing separates, causing a dramatic loss of lift
2
,What does the term “Mach number” represent?
✔✔ The ratio of the speed of an object to the speed of sound in the surrounding medium
What type of aircraft engine is most commonly used in commercial airliners?
✔✔ Turbojet engine
What is the function of an aircraft’s winglet?
✔✔ To reduce induced drag by improving the flow at the wing tips
What is the effect of reducing the surface area of an aircraft’s wings on drag?
✔✔ It reduces induced drag but can increase parasite drag at higher speeds
What is the main source of power for a turbojet engine?
✔✔ Combustion of fuel mixed with air in the combustion chamber
What is the primary function of the aircraft’s elevators?
✔✔ To control the aircraft’s pitch
3
, What is the effect of increasing the aircraft’s speed on drag?
✔✔ Drag increases as the square of the speed
What are the primary components of an aircraft’s propulsion system?
✔✔ Engine, intake, exhaust, and thrust reversers
What is the definition of "specific impulse" in aerospace engineering?
✔✔ A measure of how efficiently a rocket or engine produces thrust relative to the amount of
fuel consumed
What is the term for the pressure exerted by a fluid (air or liquid) on a surface in contact with it?
✔✔ Dynamic pressure
What is the role of the fuselage in an aircraft?
✔✔ To house the passengers, crew, and cargo while providing structural integrity
What aerodynamic phenomenon occurs when airflow over the aircraft's surfaces becomes
turbulent?
4
