Engineering Materials MCQs

Question 1

Weld decay is the phenomenon found with

Accepted Answer

Stainless steel

Answer

Cast iron

Answer

Mild steel

Answer

Nonferrous materials

Question 2

Which of the following property is desirable for materials used in tools and machines?

Accepted Answer

Elasticity

Answer

Plasticity

Answer

Ductility

Answer

Malleability

Question 3

Cupola produces following material

Accepted Answer

Cast iron

Answer

Pig iron

Answer

Wrought iron

Answer

Malleable iron

Question 4

Mild steel belongs to the following category

Accepted Answer

Low carbon steel

Answer

Medium carbon steel

Answer

High carbon steel

Answer

Alloy steel

Question 5

The usual composition of a soldering alloy is

Accepted Answer

Tin, lead and small percentage of antimony

Answer

Tin and lead

Answer

Tin, lead and silver

Answer

Tin and copper

Question 6

The metal suitable for bearings subjected to light loads, is

Accepted Answer

Phosphor bronze

Answer

Silicon bronze

Answer

White metal

Answer

Monel metal

Question 7

The metal suitable for bearings subjected to heavy loads, is

Accepted Answer

White metal

Answer

Silicon bronze

Answer

Monel metal

Answer

Phosphor bronze

Question 8

Silicon when added to copper improves

Accepted Answer

Hardness and strength

Answer

Machinability

Answer

Hardness

Answer

Strength and ductility

Question 9

Nickel when added to copper improves

Accepted Answer

Hardness

Answer

Machinability

Answer

Hardness and strength

Answer

Strength and ductility