7000+ Metallurgy Question Bank Pdf - 2

Question: 6

Which is not a deoxidiser of steel?

(A) Aluminium

(B) Ferro-silicon

(C) Ferro-manganese

(D) Nickel

Question: 7

Blow holes in steel casting is not minimised by the addition of

(A) Aluminium

(B) Titanium

(C) Silicon

(D) Magnesium

Question: 8

Manganese content in carbon steel is limited to a maximum of _____ percent.

(A) 1

(B) 1.65

(C) 2.2

(D) 2.6

Question: 9

Which is not a solid state semi conductor?

(A) Germanium

(B) Selenium

(C) Cobalt

(D) Tellurium

Question: 10

Which of the following is a light alloy?

(A) Babbit metal

(B) German silver

(C) Monel metal

(D) Dow metal