Metallurgy Previous Year Question Papers with Answers Pdf - 1

Question: 1

Which of the following micro-constituents of steel is not a ferrite-cementite mixture having lamellar structure?

(A) Ledeburite

(B) Troostite

(C) Sorbite

(D) Pearlite

Question: 2

Silicon present in transformer steel

(A) Increases its hysteresis loss

(B) Decreases its magnetic permeability

(C) Increases its electrical resistance

(D) Decreases its hysteresis loss

Question: 3

Which of the following metals is not found in native form (free state) on earth?

(A) Magnesium

(B) Silver

(C) Platinum

(D) Gold

Question: 4

Cemented carbide tool is an alloy comprising of tungsten, cobalt and

(A) Carbon

(B) Chromium

(C) Vanadium

(D) Molybdenum

Question: 5

Which is not a deoxidiser of steel?

(A) Aluminium

(B) Ferro-silicon

(C) Ferro-manganese

(D) Nickel