Cadmium in zinc leach liquor is removed by cementation using

Question: Annealing of metal does not
[A].

precede its wire drawing.

[B].

induce softness and removes stresses & dissolved gases.

[C].

refine the crystalline structure & produce a definite microstructure.

[D].

alter toughness, ductility and magnetic & electrical or other physical properties.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
[A].

white

[B].

cast

[C].

wrought

[D].

pig

Answer: Option C

Explanation:

No answer description available for this question.

Question: Which of the following pairs regarding the effect of alloying elements in steels are not matched correctly ?
[A].

Cobalt: It contributes to rerl hardness by hardening ferrite.

[B].

Molybdenum: It forms abrasion resisting particles.

[C].

Phosphorous: It improves machinability in free cutting steels.

[D].

Silicon: It reduces oxidation resistance.

Answer: Option A

Explanation:

No answer description available for this question.