Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?

Question: __________ test is the appropriate test to determine whether a material is ductile or brittle.
[A].

Impact

[B].

Cupping

[C].

Hardness

[D].

Tensile

Answer: Option A

Explanation:

No answer description available for this question.

Question: Normalising does not __________ of a metal.
[A].

improve machinability & tensile strength

[B].

remove internal stresses

[C].

refine the structure

[D].

remove strains caused by cold working

Answer: Option B

Explanation:

No answer description available for this question.

Question: New water wells are disinfected with chlorine in the form of
[A].

sodium chloride

[B].

sodium hypochlorate

[C].

bleaching powder

[D].

aluminium chloride

Answer: Option C

Explanation:

No answer description available for this question.