Powder Metallurgy Questions & Answers Pdf - 2

Question: 6

Maximum percentage of carbon in ferrite is

(A) 0.5

(B) 0.05

(C) 0.25

(D) 0.025

Question: 7

Babbit metal used for making bearing is mainly _____ based alloy.

(A) Antimony

(B) Copper

(C) Tin

(D) Lead

Question: 8

_____ is not a constituent of iron and steel.

(A) Silumin

(B) Bainite

(C) Cementite

(D) Pearlite

Question: 9

Which alloying element does not impact hardness to steel?

(A) Aluminium

(B) Nickel

(C) Silicon

(D) Copper

Question: 10

High speed steel is commonly designated as

(A) 18 : 4 : 1

(B) 18 : 8 : 1

(C) 18 : 8 : 4

(D) 18 : 4 : 4