Materials And Construction - Study Mode

[#121] __________ iron is produced, when molten pig iron is allowed to cool gradually.
Correct Answer

(B) Grey cast

[#122] Which of the following is not a nickel based alloy?
Correct Answer

(D) Babbit metal

[#123] Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing.
Correct Answer

(D) Bismuth

[#124] Maximum consumption of lead is in the manufacture of
Correct Answer

(A) Storage batteries

[#125] Coke oven walls are lined with __________ bricks.
Correct Answer

(A) Silica