Question 164 (part 2) · LDEK · Bridges
For Maryland bridge fabrication you can use following alloys:
1) cobalt-chromium;
2) nickel-chromium;
3) gold;
4) palladium-silver.
Correct answer is:
2) nickel-chromium;
3) gold;
4) palladium-silver.
Correct answer is:
- A. 1,2.
- B. 2,3.
- C. 3.4.
- D. 1,4.
- E. 2,4.
Hint
Maryland wings rely on electrolytic etching of the metal; think which alloys etch retentively and stay rigid in thin section.
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