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176. Carbon in iron is an example of

A. substitutional solution

B. interstitial solid solution

C. intermetallic compounds

D. all of the above

E. none of the above.

Explanation:

177. Weld decay is the phenomenon found with

A. cast iron

B. mild steel

C. non-ferrous materials

D. wrought iron

E. stainless steel.

Explanation:

178. Cemented carbide tools are nqt found to be suitable for cutting

A. brass

B. cast iron

C. aluminium

D. steel

E. non-ferrous alloys.

Explanation:

179. Which of the following is the binding material in cemented carbides

A. cobalt

B. nickel

C. vanadium

D. iron

E. carbon.

Explanation:

180. Brass (alloy of copper and zinc) is an example of

A. substitutional solid solution

B. interstitial solid solution

C. intermetallic compounds

D. all of the above

E. none of the above.

Explanation:

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