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Physics and Engineering Concepts

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Questions and Answers

What is the term for the tail section of an aircraft that moves to control the direction of the aircraft?

Stabilizers (correct)

Ailerons

Elevons

Flaps

What is the unit of measurement for power?

Voltage

Watts (correct)

Ampere

Ohms

What type of construction is characterized by the skin taking all the loads?

Frame

Monocoque (correct)

Semi-monocoque

Truss

What happens to the vibration level and turbine gas temperature when a compressor stall occurs?

The vibration level increases with an increase in turbine gas temperature Signup and view all the answers

What is the term for an atom that has gained an electron?

Negative Signup and view all the answers

What is the effect of aerodynamic heating on aircraft structures?

It shortens the fatigue life of the skin Signup and view all the answers

What is the purpose of a vortex generator in aerodynamics?

To improve aerodynamics characteristics Signup and view all the answers

What is a factor that affects the capacitance of a capacitor?

The distance between the plates Signup and view all the answers

What is the primary function of a circuit breaker in an electrical circuit?

To open and close the circuit Signup and view all the answers

How are the flying control surfaces of an aircraft typically connected to the cockpit controls?

Any one or combination of the above Signup and view all the answers

What is the primary purpose of using flaps and spoilers on an aircraft?

To improve aerodynamic performance Signup and view all the answers

Why is mass balancing important for a control surface on an aircraft?

To prevent vibration Signup and view all the answers

What is the effect of changing the aerofoil section on stalling angle and stall speed?

It decreases the stalling angle and increases the stall speed Signup and view all the answers

What is the condition for an aircraft to be at its best L/D ratio?

When parasite drag is equal to induced drag Signup and view all the answers

What is the orientation of longerons in the fuselage?

Longitudinal Signup and view all the answers

What is the effect of increasing the camber of an aerofoil on its lift?

It increases the lift Signup and view all the answers

What feature is characteristic of delta-wing airplanes?

Moveable control surfaces on the trailing edge Signup and view all the answers