The metals occuring at the lower most position in the electromotive series____________________?

Question: __________ iron is produced, when molten pig iron is chilled suddenly.
[A].

White cast

[B].

Grey cast

[C].

Wrought

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Containers made of high silicon cast iron (14% Si) are not suitable for the storage of
[A].

acetic acid.

[B].

benzoic & boric acids.

[C].

phosphoric acid (95%) & sulphuric acid (95%).

[D].

hydrochloric acid (concentrated).

Answer: Option D

Explanation:

No answer description available for this question.

Question: Most common stainless steel type 316, which is highly resistant to corrosion contains
[A].

16-13% Cr 10-14% Ni and 2-3% Mo.

[B].

20-22% Cr, and 8-10% Ni.

[C].

2-4% Cr, 22% NI and 2-4% Mo.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.