1000+ Engineering Materials Objective Questions and Answers Pdf - 1

Question: 1

Toughness of a material means

(A) machinability

(B) stress relieving

(C) fatigue resistance

(D) strength

Question: 2

Aluminium alloys for pressure die casting

(A) must be light

(B) must have iron as one of the constituents

(C) must not be free from hot shortness

(D) must possess considerable fluidity

Question: 3

Galvanizing is generally done on

(A) non metallic substances

(B) non ferrous metals

(C) low carbon steels

(D) cast irons

Question: 4

Muntz metal contains

(A) copper-aluminium

(B) copper-tin

(C) copper-zinc

(D) copper-nickel

Question: 5

The phenomenon of weld decay is associated with

(A) stainless steels

(B) aluminium alloys

(C) manganese steels

(D) cast iron