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.Management Sciences
A. Facilitate venting of the mold
B. Retard the heating of the investment
C. Permit expansion of the world
D. All of the above
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- Gold content of an 18 carat alloy is______________?
- A. 25% B. 50% C. 75% D. 100%...
- In Base metal alloys, Corrosion resistance occurs due to___________________?
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- The rapid decrease in tensile strength and increase in ductility of a wrought metal is seen in which stage of annealing ?
- A. Recovery stage B. Recrystallisation stage C. Grain growth stage D. All of the above...
- Ideal requirement of metal ceramic casting____________?
- A. Low fusing ceramic and high fusing alloys B. Matching of coefficients of thermal expansion of ceramics and alloy C. Bonding between ceramic and alloy D. All of the above...
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