Cemented carbide tools are not found to be suitable for cutting_______________?

Question: Closed packed hexagonal space lattice is found in
[A].

zinc, magnesium, cobalt, cadmium, antimony and bismuth

[B].

gamma-iron, aluminium, copper, lead, silver and nickel

[C].

alpha-iron, tungsten, chromium and molybdenum

[D].

none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Question: An aluminium alloy with 11% silicon is used for making engine pistons by die casting technique.
[A].

Yes

[B].

No

Answer: Option A

Explanation:

No answer description available for this question.

Question: In spheroidising process, the steel is
[A].

heated below the lower critical temperature and then cooled slowly

[B].

heated upto the lower critical temperature and then cooled in still air

[C].

heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C

[D].

none of the above

Answer: Option C

Explanation:

No answer description available for this question.