Aircraft Systems, Part 1 Trivia Questions
- 1.Atmospheric pressure at sea level is
- A.
14.7 pounds per square inch (psi)
- B.
17.4 psi
- C.
29.92 psi
- D.
29.29 psi
- 2.A barometer is designed to measure pressure in
- A.
Pounds per square inch (psi)
- B.
Inches of mercury
- C.
Milibars of alcohol
- D.
Ounces of air
- 3.The primary force an airfoil has to defeat is
- A.
Lift
- B.
Drag
- C.
Thrust
- D.
Weight
- 4.The force that acts upward at a right angle to the direction of the relative wind is
- A.
Lift.
- B.
Drag.
- C.
Thrust.
- D.
Weight.
- 5.The force that acts parallel to the relative wind is
- A.
Lift.
- B.
Drag.
- C.
Gravity.
- D.
Weight.
- 6.The stress that resists the force tending to cause one layer of material to slide over an adjacent layer is called
- A.
Bending.
- B.
Tension.
- C.
Torsion.
- D.
Shear.
- 7.What is the design that uses any combination of longerons, stringers, bulkheads, and frames in the construction of the fuselage called?
- A.
Fuselage.
- B.
Longerons.
- C.
Monocoque.
- D.
Semi-monocoque.
- 8.The structural members used to give shape to the aircraft and provide a means for attaching the skin to the structure are called
- A.
Longerons.
- B.
Bulkheads.
- C.
Stringers.
- D.
Frames.
- 9.The most common type of material used for fuselage construction is
- A.
Steel.
- B.
Titanium.
- C.
Magnesium.
- D.
Aluminum alloy.
- 10.The wing design used on most modern military aircraft is
- A.
Cantilever.
- B.
Monocoque.
- C.
External braced.
- D.
Semi-monocoque
- 11.The fixed vertical surface of the empennage is called the
- A.
Stabilator.
- B.
Elevator.
- C.
Rudder.
- D.
Fin.
- 12.Engine mounts are typically made of corrosion-resistant steel that is able to withstand forces of
- A.
120,000 to 140,000 pounds per square inch (psi).
- B.
150,000 to 170,000 psi.
- C.
180,000 to 200,000 psi.
- D.
210,000 to 230,000 psi.
- 13.The main difference between inspection plates and panels is
- A.
Size.
- B.
Material.
- C.
Location.
- D.
Installation.
- 14.A network of ultra cracks that form on or under the surfave of transparent pastics is called
- A.
Crazing.
- B.
Casting.
- C.
Fretting.
- D.
Pitting.
- 15.What are the reference locations in the vertical direction measured from a reference datum that is usually well below the aircraft called?
- A.
Buttlines.
- B.
Waterlines.
- C.
Buttock stations.
- D.
Fuselage stations.
- 16.Movement about the vertical axis is called
- A.
Roll.
- B.
Yaw.
- C.
Crab.
- D.
Pitch.
- 17.Which flight control surface is a longitudinal control surface
- A.
Rudder.
- B.
Aileron.
- C.
Elevator.
- D.
Wing flaps.
- 18.Wich of these is attached to the trailing edge of a horizontal stabilizer?
- A.
Flap.
- B.
Spoiler.
- C.
Rudder.
- D.
Elevator.
- 19.When making a right turn, the relative position of the ailerons is the right aileron trailing edge is
- A.
Up, left aileron trailing edge is up.
- B.
Up, left aileron trailing edge is down.
- C.
Down, left aileron trailing edge is up.
- D.
Down, left aileron trailing edge is down.
- 20.The purpose of wing flaps is to
- A.
Increase lift and drag.
- B.
Decrease lift and drag.
- C.
Increase lift and decrease drag.
- D.
Decrease lift and increase drag.
- 21.The purpose of aircraft trim systems is to
- A.
Reduce the amout of lift.
- B.
Prevent the aircraft from stalling.
- C.
Correct minor deviations in flight attitude.
- D.
Improve augmented lateral control surface movement.
- 22.Matter is any substance that has mass and
- A.
Can be seen.
- B.
Occupies space.
- C.
Has constant volume.
- D.
Cannot be compressed.
- 23.Atoms are made up of
- A.
Molecules, protons, neutrons.
- B.
Protons, molecules, electrons.
- C.
Molecules neutrons, electrons.
- D.
Protons, neutrons and electrons.
- 24.Electrons can be released from their outer orbit by all of the following forces except
- A.
Heat.
- B.
Cold.
- C.
Chemical action.
- D.
Changing magnetic field.
- 25.What is the electrical pressure that causes electrons to flow through the conductor called?
- A.
Chemical swap.
- B.
Crossfeed field.
- C.
Electromotive force.
- D.
Tranferring magnetic field.
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