Q
All of the following statements about cast cobalt alloy are true EXCEPT_____________?
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A
A. They have a modulus of elasticity twice that of gold alloys
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B
B. They are more rigid than gold alloys
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C
C. They have higher ductility than gold alloys
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D
D. They have a lower proportional limit than gold alloys
Correct Answer:
C. C. They have higher ductility than gold alloys
