A. Proportional limit
B. Modulus of elasticity
C. Ultimate tensile strength
D. Flow
Related Mcqs:
- Brinnel hardness number of a dental gold alloy is directly proportional to its______________?
A. Tensile strength
B. Elongation
C. Modulus of elasticity
D. Modulus of resilience - High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?
A. Have less marginal breakdown
B. Are workable at lower Hg-alloy ratio
C. Have a higher ratio of tensile to compressive strength
D. Have less resistance to tarnish and corrosion - Powders of dental plaster and dental stone differ mainly in____________?
A. Solubility
B. Shelf life
C. Chemical formula
D. Particle porosity - The main difference between dental stone and dental plaster is______________?
A. Chemical composition
B. Self life
C. Sharpe and size of particles
D. Solubility in water - The American dental association (ADA) specification number for non-aqueous elastomeric dental impression material is______________?
A. 19
B. 20
C. 21
D. 26 - 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 - In non zinc containing dental amalgam alloy the percentage of zinc present is______________?
A. Less than 0.02%
B. Less than 0.1%
C. Less than 0.01%
D. None of the above - 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 - 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 - Reduction in the fusion temperature of dental gold casting alloys is caused by presence of______________?
A. Platinum
B. Copper
C. Silver
D. Gold
