1) How is the structure of a subsonic fuselage? pg4
a) It has to verify the Area rule.
b) It has to have a smooth contour.
c) It has to have a sharp leading edge.
d) It has to be 2 times c (understood c as the chord of the wing.)
2) Which kind of structure do we use nowadays while constructing aircrafts? pg4
a) Reticulated structure.
b) Monocoque structure.
c) Semi-monocoque strucure.
d) None of the above.
3) Which are the differences between the monocoque structure and the semi- monocoque structure?
a) The use of formers.
b) The use of strings.
c) The use of frames and skin.
d) The use of formes and strings.
4) Which is the element that isolates the pressurized zone in the plane? pg4
a) Former.
b) Bulkhead.
c) Stringer.
d) Longeron.
5) Which loads does the fuselage resist? pg5
a) -Pressure loads.
b) -Longitudinal bending.
c) -Load distribution and torsion.
d) -All of the above.
6) Which are the advantages of using honeycombs while doing the floor of the plane? pg5
a) It is cheap.
b) It easy to install and cheap.
c) It is light and it distributes the loads well.
7) How are the two compartments of the plane connected? pg5
a) By blow out bungs.
b) By a small door in the cockpit.
c) Opening the rear door of the plane.
d) They are not connected.
8) What would we see in a civil transport airplane cross-section? pg5
a) A sphere.
b) A circle.
c) Two semi-circles.
d) A ellipse.
1) What is the diference between wings tipe braced-monoplanes and cantilever monoplanes? pg5
a) The first uses extentions to hold the wind and the second does not.
b) The first one has the wing attached to the fuselage and the second does not.
c) The braces are used in high-speed aircrafts.
d) All of the above are erroneous.
2) What are the wing ́s structural elements? pg5
a) Spars, ribs, stringers.
b) Ribs, stringers, skin.
c) Spars, ribs, stringers, skin.
d) Spar, ribs, stringer, wing tip.
3) What is the goal of the spar?
a) Covers the wing to reduce drag.
b) Holds loads to bend.
c) There are mainly 4 to ridigize the wing.
d) A and B are correct.
4) What are the ribs?
a) They are a part of the trailing edge used to increase the lift.
b) They help the ailerons to move and to be attached to the wing.
c) They set the aerodinamic profile of the wing.
d) All of the above are incorrect.
5) What can be attached to the wings?
a) Hyperlifting elements.
b) Control elements.
c) Landing gear.
d) All of the above.
6) What is an advantage of a low-wing? pg6
a) The fuselage weights less.
b) The landing gear is short.
c) The wing can be manufactured in only one section.
d) It has less ground-effect than high-wings.
7) What kind of wing would you use to gain aerobatic maneuverability? pg6
a) Low-wing.
b) Mid-wing.
c) High-wing.
d) Delta-wing.
8) What are the formerons?
a) Are the prolongation of wing spars.
b) Are structures used in commercial aviation.
c) Are located in the fuselage.
d) They keep the engines attached to the wings.
9) Choose the correct option:
a) Track: Distance between the center of the tread of the auxiliar gear and the line joining the main gears.
b) Base: Distance between the center of the treads of the main gears.
c) Both are true
d) Both are false
10) Landing gear classification related to linkage to the aircaft main body is: pg7
a) Fixed and aerodynamic
b) Aerodynamic and retractable
c) Fixed and retractable
d) All are false
11) Choose the wrong answer about classification of landing gears: pg7
a) Bogies
b) Taildragger
c) Bicycle
d) Noseride
