A. Alpha form
B. Beta form
C. Gamma form
D. None of the above
Related Mcqs:
- The yield strength of AUstenite (NiTi alloy) is______________?
A. 100 Mpa
B. 240 Mpa
C. 560 Mpa
D. 700 Mpa - Which of the following statements about high copper silver alloy compared to conventional alloy is not true ?
A. It has increased tensile and compressive strength
B. It has poor tarnish and corrosion resistance
C. It’s edge strength is greater
D. Mercury content in the final restoration is less - Mercury rich condition in a slow setting amalgam alloy system in a resoration in______________?
A. Accelerated corrosion
B. Fracture of the restoration
C. Merginal damage
D. All of the above - Increased iron binding capacity and decreased serum iron is seen in which anemia________________?
A. Iron deficiency
B. Aplastic
C. Sickle cell
D. Chronic infections - All of the following statements about cast cobalt alloy are true EXCEPT_____________?
A. They have a modulus of elasticity twice that of gold alloys
B. They are more rigid than gold alloys
C. They have higher ductility than gold alloys
D. They have a lower proportional limit than gold alloys - Addition of large amounts of platinum to a casting gold alloy will________________?
A. Decrease its strength and ability to be hardened
B. Decrease its tarnish resistance
C. Increase its fusion temperature
D. Redden the alloy - The most commonly used Titanium alloy for dental and medical purposes is________________?
A. Ti 6Al 4V
B. Ti 5Al 4V
C. Ti 5Al 5V
D. Ti 6Al 6V - Percentage of gold in high noble alloy is______________?
A. N 25%
B. 25%
C. >40%
D. 0% - Microstructure of cobalt chromium alloy in cast condition is______________?
A. Fibrous
B. Homogeneous
C. Inhomogenous
D. amorphous - Cleaning of base metal alloy is done by______________?
A. Warm HCI
B. Cold HF
C. Cold H2SO4
D. Sand blasting with aluminium oxide
