11.3 B Wings Flashcards
(45 cards)
What is the primary purpose of an aircraft’s wings?
A) To reduce drag during flight
B) To attach external struts or wires
C) To produce lift and keep the aircraft in the air
C) To produce lift and keep the aircraft in the air
What are the main sections of a typical aircraft wing structure?
A) Wing tips and fuselage
B) Left wing box, right wing box, and centre wing box
C) Wing roots and vertical supports
B) Left wing box, right wing box, and centre wing box
What materials are modern aircraft wings increasingly made from?
A) Steel for enhanced durability
B) Composite materials, such as carbon fibre, for strength-to-weight performance
C) Pure titanium for corrosion resistance
B) Composite materials, such as carbon fibre, for strength-to-weight performance
What are “Jury Struts” used for in aircraft wings?
A) To connect the wings to the fuselage
B) To reduce drag during flight
C) To control strut movement and oscillations caused by airflow
C) To control strut movement and oscillations caused by airflow
What is a full cantilever wing design?
A) A wing design that uses external struts or wires for support
B) A wing design with internal structural members and no external bracing
C) A wing design with vertical supports called “Jury Struts”
B) A wing design with internal structural members and no external bracing
What is the majority design type for aircraft wings?
A) Full cantilever design
B) Semi-cantilever design
C) External braced design
A) Full cantilever design
What is the sequence of load transfer in an aircraft wing during flight?
a) Skin → Ribs → Spars
b) Spars → Ribs → Skin
c) Ribs → Skin → Spars
a) Skin → Ribs → Spars
Which component of an aircraft wing carries the loads during flight and transfers stresses to the wing ribs?
a) Wing skin
b) Wing ribs
c) Wing spars
a) Wing skin
Which component of an aircraft wing is the primary structural element supporting both distributed loads and concentrated weights?
a) Wing ribs
b) Wing skin
c) Wing spars
c) Wing spars
Which of the following wing designs utilises only one main spanwise or longitudinal member in its construction?
a) Mono-spar
b) Multi-spar
c) Box beam
a) Mono-spar
Which wing design uses more than one main longitudinal member, with ribs or bulkheads to create the wing contour?
a) Mono-spar
b) Multi-spar
c) Box beam
b) Multi-spar
What type of wing construction involves two main longitudinal members with connecting bulkheads for added strength?
a) Mono-spar
b) Multi-spar
c) Box beam
c) Box beam
What are the top and bottom parts of an I-beam spar called?
a) Caps
b) Web
c) Bulkheads
a) Caps
What is the vertical section of an I-beam spar referred to as?
a) Caps
b) Web
c) Truss
b) Web
What does a fail-safe design in aircraft wing spars ensure?
a) That if one structural member fails, other parts carry the load to permit continued operation.
b) That the aircraft will crash if any part fails.
c) That the wing spars are made exclusively of wood
a) That if one structural member fails, other parts carry the load to permit continued operation.
What is a false spar in aircraft wing design?
a) A decorative element with no structural purpose.
b) A longitudinal member similar to a spar but does not extend the entire spanwise length of the wing.
c) A component that replaces the main spar in modern aircraft.
b) A longitudinal member similar to a spar but does not extend the entire spanwise length of the wing.
Which of the following statements accurately describes the function of wing ribs in aircraft design?
a) Wing ribs provide the wing with its cambered shape and transmit loads from the skin and stringers to the spars.
b) Wing ribs are primarily decorative elements with no structural purpose.
c) Wing ribs serve as the main load-bearing components of the wing.
a) Wing ribs provide the wing with its cambered shape and transmit loads from the skin and stringers to the spars.
What are false ribs in aircraft wing construction?
a) Ribs that span the entire wing chord, from leading edge to trailing edge.
b) Ribs that do not span the entire wing chord
c) Ribs located exclusively at the trailing edge of the wing.
b) Ribs that do not span the entire wing chord
What is used to cover the interface between the wing and fuselage for smooth airflow?
A) Wing fairing
B) Wingtip
C) Air duct
A) Wing fairing
What is used to achieve smooth airflow between the wing and fuselage?
A) Wingtip
B) Fairing
C) Fuel tank
B) Fairing
What is the design called when the wing skin carries the flight and ground loads in combination with the spars and ribs?
A) Stressed skin design
B) Cantilever design
C) Ribbed skin design
A) Stressed skin design
Why are honeycomb structured wing panels often used as a skin?
A) They are lightweight and very strong
B) They are flexible and easy to repair
C) They are cheap and easy to manufacture
A) They are lightweight and very strong
What are the three basic types of fuel tanks?
A) Rigid removable, flexible bladder, integral
B) Rigid, collapsible, and detachable
C) Removable, integrated, and expandable
A) Rigid removable, flexible bladder, integral
Where are removable fuel tanks often located in an aircraft?
A) In the fuselage
B) In the wings
C) In the tail section
B) In the wings
