Knowledge Check Flashcards
11.1 On what type of aircraft can elevons be found?
a) Tapered wing
b) Sweptback wing
c) Delta wing
c) Delta wing
11.1 Which type of aircraft is a good example of an aircraft utilising ruddervators?
a) T-tailed
b) Dual-tailed
c) V-tailed
c) V-tailed
11.1 What type of aircraft don’t have a vertical or horizontal stabiliser?
a) V-tailed
b) T-tailed
c) Dual-tailed
a) V-tailed
11.1 What range is the speed above Mach 5 called?
a) Hypersonic
b) Mega-sonic
b) Total-sonic
a) Hypersonic
11.2 What type of system does the lower pressurised fuselage use to remove fluids from the bilge area?
a) Electrically operated valves
b) Spring loaded valves
c) Pneumatically operated valves
b) Spring loaded valves
11.2 What is the process called that provides the low-resistance return path for single-wire electrical systems?
a) Earthing
b) Mating
c) Bonding
c) Bonding
11.2 Which stress is described as a combination of compression & tension?
a) Shear
b) Bending
c) Torsion
b) Bending
11.2 Which type of aircraft wash will remove oil, grease, or carbon deposits & most dirt, apart from corrosion & oxide films?
a) Wet wash
b) Dry wash
c) Superficial wash
a) Wet wash
11.2 Name the two materials that are most commonly used for bolts used in the aircraft maintenance industry.
a) Nickel & copper
b) Tin & lead
c) Alloy steel, stainless or corrosion-resistant steel
c) Alloy steel, stainless or corrosion-resistant steel
11.2 With regard to aircraft construction, what type of fastener is used in areas where high strength is required?
a) Bolts
b) Pop rivets
c) Screws
a) Bolts
11.3 What is the term used to identify the main body to which the wings & tail are attached?
a) The empennage
b) The fuselage
c) The body
b) The fuselage
11.3 What is the advantage of a powered cargo loading system installed on some aircraft?
a) It protects the door sill & the adjacent aircraft structure from damage during loading & unloading
b) It can be used to keep cargo from shifting during flight and ground operations
c) It allows for quicker loading once the load is inside the cargo compartment of the aircraft
c) It allows for quicker loading once the load is inside the cargo compartment of the aircraft
11.3 What does a pylon structure do?
a) It withstands the forces of landing when the aircraft is fully loaded
b) It carries the loads from the wings to transfer them to the remainder of the fuselage through longerons and beams
c) It transfers the thrust loads developed by the engines to the airframe through the wing spars
c) It transfers the thrust loads developed by the engines to the airframe through the wing spars
11.3 What do the LE slat attachment fittings consist of?
a) They consist of 2 pairs of flap tracks
b) They consist of hinge fittings & attachment angles
c) They consist of brackets which support the guide rollers & the actuators
c) They consist of brackets which support the guide rollers & the actuators
11.3 What do smaller aircraft often use to support the wings and carry the aerodynamic & landing loads?
a) They often use external struts or wires
b) They often use cables & struts
c) They often use ribs or bulkheads
a) They often use external struts or wires
11.3 Which type of fuel tank is commonly used on a large modern aircraft?
a) Integral
b) Rigid removeable
c) Bladder
a) Integral
11.3 How are the attachment points between vertical stabiliser & fuselage strengthened?
a) They are strengthened by body fittings, splice plates, & stiffeners
b) They are strengthened by tension bolts
c) They are strengthened by spars, ribs, stringers, & surface skins
a) They are strengthened by body fittings, splice plates, & stiffeners
11.3 What is the name given to the fixed aerofoil structure which extends vertically from the empennage?
a) Elevator stabiliser
b) Vertical stabiliser
c) Horizontal stabiliser
b) Vertical stabiliser
11.3 Where are the stabilisers located?
a) They are located at the front end of the fuselage
b) They are located at the trailing edge of the trim tabs
c) They are located at the aft end of the fuselage
c) They are located at the aft end of the fuselage
11.3 What is mass balancing of a control surface?
a) It is where weights are added to the leading edge of the control surface following a repair
b) It is accomplished by aerodynamically balancing the flight control surface to reduce the forces required to deflect the control surface
c) It is accomplished when a portion of the control surface of the aircraft is extended out ahead of the hinge line
a) It is where weights are added to the leading edge of the control surface following a repair
11.3 The flight control surfaces are aerodynamic devices, what do they allow the flight crew to do?
a) To maintain a constant speed during flight
b) To safely take off & land only
c) To adjust & control the aircrafts flight attitude
c) To adjust & control the aircrafts flight attitude
11.3 What are spoiler panels normally constructed of?
a) They are constructed of an epoxy reinforced composite construction & a honeycomb core construction covered with aluminum skin
b) They can be constructed of an upper & lower metallic or composite skin with a honeycomb sandwich layer
c) They are constructed from a honeycomb core sandwich between thin upper & lower skins
b) They can be constructed of an upper & lower metallic or composite skin with a honeycomb sandwich layer
11.3 Which statement with regard to the torque box is correct?
a) It is classed as a secondary structure & consists mainly of spars, ribs, & stringers
b) It is classed as a primary structure & consists mainly of spars, ribs, & stiffeners
c) It is classed as a tertiary structure & consists mainly of spars, ribs, & frames
b) It is classed as a primary structure & consists mainly of spars, ribs, & stiffeners
11.3 How are the engine mounts usually secured to the aircraft?
a) With special heat-treated steel rivets
b) With special heat-treated titanium bolts
c) With special heat-treated steel bolts
c) With special heat-treated steel bolts
11.3 Powerplants are divided into cooling zones by fireproof bulkheads (firewalls). What is the heat resistant material normally used?
a) Aluminum
b) Cat iron
c) Titanium
c) Titanium
