Engineering Materials MCQ Question with Answer

Engineering Materials MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 8
Basic solution is one which has pH value

Greater than 7

Equal to 7

Less than 7

pH value has nothing to do with basic solution

Question No : 9
Bronze contains

70% copper and 30% zinc

90% copper and 10% tin

85 - 92% copper and rest tin with little lead and nickel

70 - 75% copper and rest tin

Question No : 10
Which of the following statement is wrong?

Steel with 0.8% carbon is wholly pearlite

The amount of cementite increases with the increase in percentage of carbon in iron

A mechanical mixture of 87% cementite and 13% ferrite is called pearlite

The cementite is identified as round particles in the structure

Question No : 11
According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is

0.04 %

0.35 to 0.45 %

0.4 to 0.6 %

0.6 to 0.8 %

Question No : 12
White cast iron has

Carbon in the form of carbide

Low tensile strength

High compressive strength

All of these

Question No : 13
The cupola is used to manufacture

Pig iron

Cast iron

Wrought iron

Steel

Question No : 14
By severely deforming a metal in a particular direction it becomes

Ductile

Malleable

Homogeneous

Anisotropic