Medical MCQs

5099 MCQs  (Page 103 of 510)

Which is not true about high copper amalgam alloys______________?
A. Low tensile and compressive strength
B. Low hg: alloy ratio
C. High tensile strength
D. Low creep
Ag-Cu eutectic alloy has a characteristic Property of that fusion temp of_____________?
A. The resultant alloy is greater
B. The resultant alloy is lesser
C. The resultant alloy varies according to the content of ag of cu
D. None of the above
The higher the Hg alloy ratio in dental amalgam________________?
A. Higher the strength
B. Lower the creep value
C. More matrix matrial formed
D. More gamma 1 phase formed
What is common in amalgam and ceramics ?
A. More compressive strength but less tensile strength
B. More compressive strength and tensile strength
C. Less compressive strength but more tensile strength
D. Less compressive strength and tensile strength