Corrosion of stainless steel is due to formulation of_________________?

Related Mcqs:

1. Stabilization of stainless steel is achieved by adding____________?

   A. Carbon
   B. Chromium
   C. Nickel
   D. Titanium

2. 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

3. 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

4. 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

5. Stainless steel orthodontic wire can be hardened by________________?

   A. Tempering
   B. Work hardening
   C. Age hardening
   D. Precipitation hardening

6. Resistance to corrosion in a cobalt-chrome casting is due to presence of_______________?

   A. High quality iron
   B. Chrome
   C. Cobalt
   D. Nickel

7. In Base metal alloys, Corrosion resistance occurs due to___________________?

   A. Passivity
   B. High Fusion Temperature
   C. High Molecular Weight
   D. Co-efficient of Thermal Expansion

8. The rate of tarnish and corrosion of class II cast material having VHN 200 is_______________?

   A. 0%
   B. 2 to 3%
   C. 5 to 10%
   D. <1%

9. Mobility of teeth in carcinoma of Maxillary sinus is due to involvement by tumor of_________________?

   A. Anterior wall of the sinus
   B. Posterior wall of the sinus
   C. Roof of the sinus
   D. Floor of the sinus

10. Dendrites in cst alloys form by mechanism of_________________?

    A. Constitutional superconductivity
    B. Constitutional supercooling
    C. Constitutional supergriting
    D. Constitutional supergraining