Aircraft structures 01 Flashcards
An aircraft having “wet wing” fuel storage tanks would be described as having what type of tanks?
One word answer required
Integral
On the ground, the loads that are acting on the skin of a cantilever wing are;
a. compression in upper, tension in lower
b. tension in upper and lower skin
c. compression in upper and lower skin
d. tension In upper, compression in lower
d.tension In upper, compression in lower
Flight deck windows are constructed from;
a.an amalgam of strengthened glass and vinyl with rubber pressure seals
b.strengthened glass and clear vinyl with an electrical element for Anti-icing, and rubber pressure seals
c.strengthened glass with rubber seals
d.strengthened glass with shock absorbing, clear vinyl interlayers and rubber pressure seals
b. strengthened glass and clear vinyl with an electrical element for Anti-icing, and rubber pressure seals
What is the purpose of the wing main spar
a.To withstand compressive and torsional loads
b.To withstand bending and shear loads
c.To withstand compressive and shear loads
d.To withstand bending and torsional loads
d.To withstand bending and torsional loads
What is the purpose of a wing rib?
a.To give shape to the wing and support the skin
b.To support the primary and secondary control services
c.To withstand fatigue stresses
d.To house the fuel and landing gear
a.To give shape to the wing and support the skin
The airframe should remain substantially intact after experiencing?
a.The design ultimate load time a safety factor of 1.5
b.The design limit load times a minimum safe factor of 1.5
c.The DLL X DUL
d.Four times the safety factor
b.The design limit load times a minimum safe factor of 1.5
How can the forces due to wing bending be reduced
a.By using aileron up-float and keeping the fuel in the centre tank to last
b.By using aileron up-float and using the fuel in the wing tip to last
c.By using all the fuel in the wing first
d.By having wing mounted engines and using the fuel in the wing tip first
b.By using aileron up-float and using the fuel in the wing tip to last
Regarding safe life structure
Select all correct answers that apply.
a.Is changed before its predicted life cycle
b.Will only fail after a known number of operations or hours
c.Should not fail until a predicted number of cycles has been achieved
d.Has a programmed inspection cycle to detect and rectify faults
a. Is changed before its predicted life cycle
c. Should not fail until a predicted number of cycles has been achieved
d. Has a programmed inspection cycle to detect and rectify faults
A damage tolerant structure
a.Is replaced when it reaches its predicted life
b.Need not be repaired until it meets deep maintenance
c.Is a light non load bearing structure, damage to which would adversely effect the aircraft safety
d.Has a degree of structural strength redundancy spread over a large area
d.Has a degree of structural strength redundancy spread over a large area
Maximum Zero Fuel Mass (MZFM) of an aircraft is
a.The maximum permissible take-off mass of the aircraft
b.The maximum permissible mass of the aircraft with no payload
c.The maximum permissible landing mass
d.The maximum permissible mass of an aircraft with no usable fuel
d.The maximum permissible mass of an aircraft with no usable fuel