Question 290 (part 2) · LDEK · Dental laboratory technology
Indicate true statements regarding galvanoforming technology:
1) it is a process of electrolysis;
2) thin-walled structures (0.2mm) are obtained;
3) fusing the veneered layer with monometal takes place through oxidative layer;
4) iron sulfate is and electrolyte
5) there is a risk of discoloration of veneering layer.
Correct answer is:
2) thin-walled structures (0.2mm) are obtained;
3) fusing the veneered layer with monometal takes place through oxidative layer;
4) iron sulfate is and electrolyte
5) there is a risk of discoloration of veneering layer.
Correct answer is:
- A. all of the above-mentioned.
- B. 1,2,3.
- C. 1,2,3,4.
- D. 3,5.
- E. 1,2,4.
Hint
Electroforming deposits a metal from its salt solution; think which metal and salt are used and how pure gold behaves under porcelain.
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