Engineering Materials Mcq Questions and Answers

Published: 25 Nov 2025

1. The strength is the ability of a material to resist
a) Deformation under stress
b) Externally applied forces with breakdown or yielding
c) Fracture due to high impact loads
d) None of these

2. The toughness of a material when it is heated
a) Remains same
b) Decrease
c) Increase
d) None of these

3. The hardness is the property of a material due to which it
a) Can be drawn into wires
b) Breaks with little permanent distortion
c) Can cut another metal
d) Can be rolled or hammered into thin sheets

4. Iron ore is usually found in the form of
a) Oxides
b) Carbonates
c) Sulphides
d) All of these

5. The charge is fed into the blast furnace through the
a) Stack
b) Throat
c) Bosh
d) Tuyers

6. The cupola is used to manufacture
a) Pig iron
b) Cast iron
c) Wrought iron
d) Steel

7. Connecting rod is usually made from
a) Low carbon steel
b) High carbon steel
c) Medium carbon steel
d) High speed steel

8. Eutectoid reaction occurs at
a) 600 °C
b) 723 °C
c) 1147 °C
d) 1493 °C

9. The purpose of heat treatment is
a) Relieve the stresses set up in the material after hot or cold working
b) Modify the structure of the material
c) Change grain size
d) Any one of these

10. Cartridge brass can be
a) Cold rolled into sheets
b) Drawn into wires
c) Formed into tube
d) Any one of these