WorksheetsENG1001B Tutorial Week 10
Total questions: 5
Worksheet time: 4mins
Each rod in the picture is made from the same stock and experiences the same unaxial force. Which has the highest stress?
A
B
C
D
E
As before, each rod is made from the same stock & under load are extended by the same amount. Which experiences the largest force?
A
B
C
D
Given the stress-strain curves in the picture, which material is the most brittle?
A
B
C
Given the stress-strain curves in the picture, which material has the most ductile response?
1340 Steel
Stainless steel (18-8)
Aluminium alloy 2024-T81
Structural steel (mild steel)
Magnesium
On the following stress-strain graph, which region denotes the elastic/plastic strain, and which is recovered after fracture?
A: elastic, not recovered; B plastic, recovered
A: elastic, recovered; B plastic, not recovered
A: plastic, not recovered; B elastic, recovered
A: plastic, recovered; B elastic, not recovered
