A. 18% Nickel 8% Chrominum
B. 18% Chromium 8% Nickel
C. 18% Chromium 8% Cobalt
D. 18% Carbon 8% Iron
Related Mcqs:
- Stainless steel orthodontic wire can be hardened by________________?
A. Tempering
B. Work hardening
C. Age hardening
D. Precipitation hardening - 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 - Composite has_______________?
A. Resin
B. Filler
C. Resin & Filler
D. None - Chloroxylenol has_______________?
A. Local anesthetic property
B. Local anesthetic and antiseptic action
C. Antiseptic action
D. Antibiotic action - 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
