Final

Question 1

Strong and Light Tie in tension

Answer 1

Maximize
Yield Strength / Density

Question 2

Strong and Light Beam in bending given:
L, F, Shape (Area Free)

Answer 2

Maximize:
Yield Strength^(2/3) / Density

Question 3

Strong and Light Beam in bending given:
L, F, h (W free)

Answer 3

Maximize:
Yield Strength / Density

Question 4

Strong and Light Beam in bending given:
L, F, W (H Free)

Answer 4

Maximize:
Yield Strength^(1/2) / Density

Question 5

Bar in Torsion

Answer 5

Maximize:
Failure Strength^(2/3) / Density

Question 5

Strong and Light Plate in Bending

Answer 5

Maximize:
Yield Strength^(1/2) / Density

Question 6

Stiff and Lightweight Bar in Tension

Answer 6

Maximize:
Young’s Modulus / Density

Question 7

Stiff and lightweight Beam in Bending

Answer 7

Maximize:
Young’s Modulus^(1/2) / Density

Question 8

Stiff and Lightweight Beam in Torsion

Answer 8

Maximize:
G^(1/2) / Density

Question 9

Von Mises Stress

Answer 9

(Sigma^2+3 Tau^2)^1/2

Question 10

Stress in Bending

Answer 10

My / I

Question 11

Strain in Bending

Answer 11

My / EI

Question 12

Stress in Torsion

Answer 12

Tr / J

Question 13

Strain in Torsion

Answer 13

TL / GJ

Question 14

Stress in Axial Loading

Answer 14

F / A

Question 15

Strain in Axial Loading

Answer 15

F / AE

Question 16

Length of weld to be allocated for the start and stop of the weld

Answer 16

12.5mm