Solder and flux used for joining Elgiloy wires are_____________?

Related Mcqs:

1. Periodontal fibres joining cemental surface of one tooth, to cemental surface of adjacent tooth are called____________?

   A. Gingivodental
   B. Cemental fibres
   C. Horizontal fibres
   D. Transseptal fibres

2. Flux is used during casting to________________?

   A. Remove the oxides formed on the gold alloy
   B. Lower the melting point
   C. Replace casting wax
   D. Speed the burnout process

3. Casting flux is used to_______________?

   A. Prevent the oxidation of the metal during melting
   B. increase the melting point of the flux
   C. Flaring the point of the sprue attachment
   D. None of the above

4. Which of the following is function of fluoride flux in soldering process ?

   A. It prevents the formation of copper oxide
   B. It prevents the formation of chromium oxide or dissolves chromic oxide layer
   C. It prevents the flow of material in undesirable area
   D. Increase the strength of solder

5. The solvent flux used for base metal soldering is_______________?

   A. Boric acid
   A. Borax
   B. Fluoride
   C. Rouge

6. Alginates are_____________?

   A. Sol
   B. Gel
   C. Hydrocolloid
   D. Colloid

7. A material which is a mixture of two different materials and its properties are_____________?

   A. Composite
   B. Complex material
   C. Combined
   D. Compound

8. Flux used in dental ceramic is________________?

   A. Alumina
   B. Silica
   C. Kaolin
   D. Boric oxide

9. Acute angled cusps in permanent maxillary first molar are_____________?

   A. DB and ML
   B. MB and DL
   C. MB and DB
   D. ML and DL

10. Fibres which continue from bone to ligament are_____________?

    A. Sharpey’s fibres
    B. Tome’s fibres
    C. Ray’s fibres
    D. All of the above