- (A) Dimensional change
- (B) Thermal conductivity
- (C) Warpage
- (D) Tarnish and corrosion
Medical Mcqs
- (A) 100 Mpa
- (B) 240 Mpa
- (C) 560 Mpa
- (D) 700 Mpa
- (A) Carbon
- (B) Chromium
- (C) Nickel
- (D) Titanium
- (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
- (A) Decrease its strength and ability to be hardened
- (B) Decrease its tarnish resistance
- (C) Increase its fusion temperature
- (D) Redden the alloy
- (A) ¼ inch
- (B) ½ inch
- (C) 3/8 inch
- (D) one inch
- (A) Ease of construction of denture
- (B) Preserving the sulci
- (C) Ease of pouring an impression
- (D) All of the above
- (A) High quality iron
- (B) Chrome
- (C) Cobalt
- (D) Nickel
- (A) Remove the oxides formed on the gold alloy
- (B) Lower the melting point
- (C) Replace casting wax
- (D) Speed the burnout process
- (A) 19%
- (B) 2%
- (C) 1.7%
- (D) 4%

