A material is said to be allotropic, if it has
A. Fixed structure at all temperatures
B. Atoms distributed in random pattern
C. Different crystal structures at different temperatures
D. Any one of the above
Answer: Option C
Solution(By Examveda Team)
allotropy is the existence of two or more crystalline or molecular structural forms of an element that have different chemical or physical attributes.Related Questions on Engineering Materials
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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