A. Austenite to martensite
B. Martensite to austenite
C. Ferrite to austenite
D. Austenite to ferrite
Shape memory in NiTi is because of stress induced form__________________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Thermal expansion
B. Hygroscopic expansion
C. Wax expansion
D. All of the above
Casting shrinkage is compensated by_______________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. 55
B. 65
C. 75
D. 85
A. Annealing
B. Degassing
C. Pickling
D. Conditioning
Impurities in casting is removed by________________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Stainless steel wire
B. NITTINOL wire
C. TMA wire
D. Aluminium
Shape memory is seen in________________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Hydrochloric acid
B. Nitric acid
C. Sulphuric acid
D. Phosphoric acid
The best pickling solution for gypsum bonded investment is_______________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Chromium carbide
B. Carbon carbide
C. Iron carbide
D. Nickel carbide
Corrosion of stainless steel is due to formulation of_________________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Recovery stage
B. Recrystallisation stage
C. Grain growth stage
D. All of the above
A. Unfilled acrylic plastics
B. Gold alloys
C. Porcelains
D. Zinc phosphate cements
A. Platinium
B. Palladium
C. Titanium
D. Gold
Most biocompatible material in oral cavity is_______________? Read More »
Dental Materials, Medical Mcqs, Metallurgy