- (A) Carbon content
- (B) Silica content
- (C) Gypsum
- (D) Copper
Medical Mcqs
- (A) Martensite
- (B) Ferrite
- (C) Austenite
- (D) Pearlite
- (A) Shape memory
- (B) Hyper rigidity
- (C) Corrosion resistance
- (D) Weldable properties
- (A) Is accomplished by soaking the casting in baking soda
- (B) Causes porosity in gold
- (C) Removes surface oxides from gold castings
- (D) Remove investment from gold casting
- (A) Carding wax
- (B) Inlay wax
- (C) Utility wax
- (D) Sticky wax
- (A) Is applied to the walls of the investment to produce hygroscopic expansion
- (B) Increase the strength and the setting expansion of the phosphate-bonded investment
- (C) Acts as a retarder in the silica bonded investments
- (D) Acts as a refractory in the Silica bonded investments
- (A) Gypsum bonded
- (B) Phosphate bonded
- (C) Silica bonded
- (D) None of the above
- (A) Improve bonding
- (B) Decrease porosity
- (C) They react with the porcelain opaque layer, which masks the metal
- (D) Improves the thermal expansion between the metal and porcelain
- (A) Carats
- (B) Percentage
- (C) Fineness
- (D) Gram
- (A) Type 1
- (B) Type 2
- (C) Type 3
- (D) Type 4

