Foundry crucible is made of
A. Mild steel
B. German silver
C. Lead
D. Graphite
Answer: Option D
A. Mild steel
B. German silver
C. Lead
D. Graphite
Answer: Option D
Manganese is added in low carbon steel to
A. Make the steel tougher and harder
B. Raise the yield point
C. Make the steel ductile and of good bending qualities
D. All of the above
The elastic stress strain behavior of rubber is
A. Linear
B. Nonlinear
C. Plastic
D. No fixed relationship
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