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 A. Paraffin wax
B. Inlay wax
C. Microcrystalline wax
D. Montan wax
Which of the waxes are derived from the lignite_________________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Silver fluorides
B. Silver cyanide
C. Silver bromide
D. Silver iodide
Silver plated dyes use an electrolytic bath of_______________? Read More »
Dental Materials, Medical Mcqs, Metallurgy A. Attached impurities on undersurface of casting
B. Hot spot
C. No rapid cooling
D. Inadequate melting temperature
Suck back porosity is due to_________________? Read More »
Dental Materials, Medical Mcqs, Metallurgy