7000+ Physical Metallurgy Quiz Questions and Answers - 1

Question: 1

On cooling the hypereutectoid steel to room temperature, the microstructure contains

(A) Cementite and ferrite

(B) Cementite and pearlite

(C) Pearlite and ferrite

(D) None of these

Question: 2

Among the non ferrous group ______ is the best for forging and press working.

(A) Aluminium bronze

(B) Brass

(C) Magnesium alloys

(D) Duralumin

Question: 3

Which of the following elements in steel directly affects the critical temperature of the steel to be heat treated?

(A) Manganese

(B) Sulphur

(C) Phosphorous

(D) Carbon

Question: 4

With increase in temperature, the grain size produced by annealing

(A) Decreases

(B) Increases

(C) May increase or decrease

(D) Remains unchanged

Question: 5

The _____ is the softest and the least strong micro constituent of steel.

(A) Austenite

(B) Cementite

(C) Pearlite

(D) Ferrite