A. Tempering
B. Work hardening
C. Age hardening
D. Precipitation hardening
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Related Mcqs:
- 18-B Stainless steel orthodontic wire has_______________?
- A. 18% Nickel 8% Chrominum B. 18% Chromium 8% Nickel C. 18% Chromium 8% Cobalt D. 18% Carbon 8% Iron...
- Ability of an orthodontic wire to spring back to its original shape is evaluated by_____________?
- A. Brittleness B. Resilience C. Tensile strength D. Toughness...
- Stabilization of stainless steel is achieved by adding____________?
- A. Carbon B. Chromium C. Nickel D. Titanium...
- Stainless steel is used mostly in dentistry_________________?
- A. To strength amalgam B. In orthodontic wires C. To construct clasps for partial dentures D. To replace internal gold restorations...
- The component in very minor quantity in stainless steel that changes the properties to a maximum level is____________?
- A. Carbon B. Molybdenum C. Chromium D. Nickel...
- Corrosion of stainless steel is due to formulation of_________________?
- A. Chromium carbide B. Carbon carbide C. Iron carbide D. Nickel carbide...
- Etching depth after 30 sec for orthodontic bracket with orthophosphoric acid is_________________?
- A. 10 um – 20 um B. 3 um – 9 um C. 50 um – 110 um D. 200 um – 250 um...
- Which phase provides maximum strength in hardened mercury/silver alloy ?
- A. Silver / Mercury phase B. Silver / Tin phase C. Tin / Mercury phase D. Zinc / Mercury phase...
- Which one of the following is the result of applying a load to a wire below its modulus of elasticity on a load deflection diagram ?
- A. Fracture of the wire B. permanent deformation C. Spring back D. Increase in stiffness...
- Back pressure porosity can be avoided by________________?
- A. Using asbestos linear B. Placing the sprue at least one quarter inch away form the end of casting ring C. Preventing rapid heating the investment in burnout oven D. Using a short and wide sprue...
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