A. Tensile strength
B. Elongation
C. Modulus of elasticity
D. Modulus of resilience
Related Mcqs:
- The stiffness of a dental gold alloy is determined by its________________?
A. Proportional limit
B. Modulus of elasticity
C. Ultimate tensile strength
D. Flow - The ability of an alloy to withstand mechanical stresses without permanent deformation is reflected by its______________?
A. Resilience
B. Elastic limit / Elastic strain
C. Hardness
D. Fatigue resistance - Which of the following hardness test is a micro hardness test ?
A. Brinnel
B. Knoop
C. Shore-A
D. Rockwell - 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
