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?

<p>The vibration level increases with an increase in turbine gas temperature (C)</p> Signup and view all the answers

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

<p>Negative (C)</p> Signup and view all the answers

What is the effect of aerodynamic heating on aircraft structures?

<p>It shortens the fatigue life of the skin (B)</p> Signup and view all the answers

What is the purpose of a vortex generator in aerodynamics?

<p>To improve aerodynamics characteristics (A)</p> Signup and view all the answers

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

<p>The distance between the plates (C)</p> Signup and view all the answers

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

<p>To open and close the circuit (A)</p> Signup and view all the answers

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

<p>Any one or combination of the above (D)</p> Signup and view all the answers

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

<p>To improve aerodynamic performance (A)</p> Signup and view all the answers

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

<p>To prevent vibration (C)</p> Signup and view all the answers

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

<p>It decreases the stalling angle and increases the stall speed (B)</p> Signup and view all the answers

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

<p>When parasite drag is equal to induced drag (B)</p> Signup and view all the answers

What is the orientation of longerons in the fuselage?

<p>Longitudinal (C)</p> Signup and view all the answers

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

<p>It increases the lift (C)</p> Signup and view all the answers

What feature is characteristic of delta-wing airplanes?

<p>Moveable control surfaces on the trailing edge (C)</p> Signup and view all the answers

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