13035639
Descripción
Test por Ismael Vázquez, actualizado hace más de 1 año
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Creado por Ismael Vázquez
hace más de 6 años
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Pregunta 1
Pregunta
1) The main components of an aircraft are:
(pg1)
Respuesta
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a) Fuselage, wing(s), stabilishing surfaces, landing gear and flying control surfaces.
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b) Fuselage, wing(s), cockpit and flying control surfaces.
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c) Wing(s), stabilishing surfaces, engine(s) and flying control surfaces.
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d) Compressor, turbines, nozzle and combustion chamber.
Pregunta 2
Pregunta
2) How did aviation start?
pg1
Respuesta
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With aircraft made up of mainly one wing, materials that were used were strong enough to bear the lift charge.
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With aircraft made up of two wings in order to distribute the lift charge, inasmuch as materials that were used were not strong enough to bear the charge in only one wing.
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By using semi-monocoque structures.
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None of the above
Pregunta 3
Pregunta
3) What are the main components of the semi-monocoque structures?
pg1
Respuesta
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a) Frames, longerons, stringers and formers
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b) Frames, longerons and ribs
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c) Skin, floor, squares and panels
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d) All of the above
Pregunta 4
Pregunta
4) Mark the correct answer:
pg1
Respuesta
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a) Frames make stronger the fuselage and spread the load
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b) Longerons give longitudinal strength to the wing
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c) Formers normally reinforce the shell structure when needed
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d) All of the above are correct
Pregunta 5
Pregunta
1) A classification of loads could be:
pg1
Respuesta
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a) Ground and inertial loads
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b) Lift and drag
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c) Ground and air loads.
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d) Air and gusts loads.
Pregunta 6
Pregunta
2) Kinds of air loads:
pg2
Respuesta
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a) Aerodynamic forces, acceleration, pressurization and weight.
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b) Aerodynamic forces, acceleration, inertia and gusts.
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c) Acceleration, inertia, weight and taxiing.
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d) Aerodynamic forces, acceleration, inertia and pressurization.
Pregunta 7
Pregunta
3) The load factor is:
pg2
Respuesta
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a) The ratio between lift and weight of the aircraft.
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b) Lower in turnings.
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c) The ratio between weight of the aircraft and lift.
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d) The ratio between lift and weight of the wings.
Pregunta 8
Pregunta
4) Choose the best answer:
Respuesta
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a) DLL is the load for structural failure.
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b) Safety factor is 1.5 for aviation.
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c) DLL= Safety factor x DUL
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d) All are wrong.
Pregunta 9
Pregunta
5) Choose the wrong answer:
pg2
Respuesta
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a) Safety factor is greatest in construction.
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b) Safety factor is 1.5 for aviation.
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c) Greater safety factor implies less weight.
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d) All are correct.
Pregunta 10
Pregunta
6) Referring to aeroelastic loads:
pg2
Respuesta
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a) The aircraft is a rigid body.
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b) Aileron reverse causes break of wings.
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c) Flutter is caused of self-sustained oscillation.
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d) Wing divergence caused loss of control.
Pregunta 11
Pregunta
7) Landing gear loads exists on:
Respuesta
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a) Initial contact loads.
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b) Taxiing.
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c) Retracting loads.
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d) All of them.
Pregunta 12
Pregunta
8) Shock loads:
pg2
Respuesta
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a) Consist of bird strikes and heavy landings.
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b) Bird strikes are so important in civil aviation.
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c) They can’t break the structure.
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d) They can’t generate permanent deformation.
Pregunta 13
Pregunta
9) Are fatigue loads lower than the design loads?
pg3
Respuesta
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a) Yes
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b) No
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c) It depends
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d) They are mainly the same
Pregunta 14
Pregunta
10) Fatigue loads are:
pg3
Respuesta
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a) Cyclic load and they are less or the same than the last load
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b) Linear and independent of the last load
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c) Linear and higher than the last load
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d) Cyclic load and independent of the last load
Pregunta 15
Pregunta
11) The damage caused by the fatigue is:
pg3
Respuesta
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a) Inversely proportional to the fatigue load
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b) Acumulative
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c) Less as more times it is applied
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d) Independent of the load
Pregunta 16
Pregunta
12) Are the elements with some perforations more or less favorable of getting loads concentration points?
pg3
Respuesta
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a) More
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b) Less
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c) It depends on the type of perforation
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d) It is independent of the fact that the element is perforated or not
Pregunta 17
Pregunta
13) Mark the factor which does NOT affect the fatigue:
pg3
Respuesta
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a) Temperature
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b) Material
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c) Corrosion
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d) Size
Pregunta 18
Pregunta
14) The estructure clasification is done by:
pg3
Respuesta
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a) Material only
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b) Load and the grade of structure failure
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c) Temperature holding and material
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d) One of them is size
Pregunta 19
Pregunta
15) One of the fail-safe structures is:
pg4
Respuesta
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a) Landing Gear
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b) Flaps
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c) Wing skins
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d) Wing-fuselage joints
Pregunta 20
Pregunta
16) One of the most used material in the current aviation is:
Respuesta
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a) Iron alloys
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b) Titanium alloys
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c) Mercury
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d) PVC
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