Practice Test: Question Set - 01
1. Cast iron is used for manufacturing machine beds because
- (A) It can
resist more compressive stress
- (B) It is heavy
in weight
- (C) It is a
cheaper metal
- (D) It is a
brittle metal
2. Muntz metal is an alloy of
- (A) Copper and
zinc
- (B) Copper and
tin
- (C) Copper and
aluminium
- (D) Copper and
nickel
3. Galvanized iron is coated with
- (A) Tin
- (B) Zinc
- (C) Lead
- (D) Copper
4. Which one of the following alloys can resist saltwater corrosion?
- (A) Brass
- (B) Gun metal
- (C) Zinc alloy
- (D) Nickel
chrome alloy
5. Increase of carbon content in steel results in
- (A) Increase in
hardness
- (B) Increase in
malleability
- (C) Increase in
ductility
- (D) Increase in
strength
6. Crane hooks are made of
- (A) Wrought iron
- (B) High Carbon
steel
- (C) Cast steel
- (D) Cast iron
7. Which one of the following properties of a metal has the ability to change its shape without destruction under the influence of external force?
- (A) Plasticity
- (B) Elasticity
- (C) Stiffness
- (D) Malleability
8. Which of these metals is liquid at room temperature?
- (A) Beryllium
- (B) Lithium
- (C) Mercury
- (D) Osmium
9. The ability of a metal to be drawn into wire is a measure of its
- (A) Ductility
- (B) Toughness
- (C) Malleability
- (D) Hardness
10. Which metal is most abundant in earth's crust?
- (A) Calcium
- (B) Sodium
- (C) Aluminium
- (D) Iron
11. Gun metal is an alloy of copper,
- (A) Tin and zinc
- (B) Lead and
zinc
- (C) Zinc and
nickel
- (D) Lead and
nickel
12. The filaments of lamp bulbs are made of
- (A) Nickel
- (B) Chromium
- (C) Tungsten
- (D) Tin
13. Most metals have
- (A) High
electronegativity
- (B) Low
electronegativity
- (C) Small atomic
radii
- (D) High
ionization energies
14. Which one of the following is the resistance of a metal to elastic deformation?
- (A) Ductility
- (B) Strength
- (C) Stiffness
- (D) Toughness
Next Tests: