A. At right angle
B. At 45°C angle
C. At obtuse angle
D. It depend upon type of wax pattern
Related Mcqs:
- Gap between true end of casting ring and wax pattern should be______________?
A. ¼ inch
B. ½ inch
C. 3/8 inch
D. one inch - Wax pattern is ideally invested immediately to decrease the dimensional changes caused by_______________?
A. Decrease flow
B. Continuous expansion
C. Relaxation of the internal stresses
D. Water loss - The function of a sprue is to_______________?
A. Form an opening of molten metal to enter the mold
B. Help polish cast restorations
C. Eliminate air bubbles on the wax pattern
D. Reproduce fine detail - Disadvantage of having a short sprue is________________?
A. Rapid solidification of metal
B. No place for reservoirs
C. Incomplete evacuation of gases
D. Difficulty in removing casting from investment - Inlay wax is used to_______________?
A. Temporarily cement inlays:
B. Make inlay wax patterns
C. Invest inlay patterns
D. Box models - The main ingredient of inlay wax is__________________?
A. Candellila wax
B. Paraffin wax
C. Carnauba wax
D. Gum dammar - Component of inlay wax which makes it flake resistant is_____________?
A. Paraffin
B. Carnauba
C. Gum dammar
D. Canadelila - Boxing wax is also called as________________?
A. Carding wax
B. Inlay wax
C. Utility wax
D. Sticky wax - The inlay wax most commonly used for direct technique_____________________?
A. Type 1
B. Type 2
C. Type 3
D. Type 4 - The ideal temperature of water bath for softening fluid wax is about________________?
A. 51 to 54 degree F
B. 51 to 54 degree C
C. 70 to 75 degree F
D. 70 to 75 degree C
