Fatigue and Stress | Wings

Question 1

Wings have ribs which are ___ to the airflow, and are the equivalent of ___

Answer 1

parallel, formers

Question 2

Ribs in the wing are held in plce with transverse beams called ___, which are the equivalent of longerons

Answer 2

spars

Question 3

Ribs will also absorb ___ stress which arises from the movement of the centre of pressure

Answer 3

torsional

Question 4

____ are the main structural members of the wing.

Answer 4

Spars

Question 5

With non-stressed skin, the ___ take up the certical bending moments.

Answer 5

spars

Question 6

Most larger aircraft have at least ___ front and rear main spars, known as a ___spar construction.

Answer 6

two multispar

Question 7

Light aircraft generally have ___spar construction

Answer 7

mono

Question 8

___ may be added to a vertically to a rib to increase the strength in that direction

Answer 8

stiffeners

Question 9

The ribs are attached to the ___ and the ___ ___, and any ___ between them, to produce a rigid structure

Answer 9

skin, main spars, stringers

Question 10

Wings can be bolted to a central structure called the ___ ___ ____

Answer 10

wing torque box