Practice Test: Question Set - 02
1. Aluminium in its pure form is not used for engineering work because
- (A) It is
brittle
- (B) It is very
light
- (C) It is costly
- (D) It lacks
strength
2. Which one of the following is a chemical property of metal?
- (A) Corrosiveness
- (B) Conductivity
- (C) Hardness
- (D) Elasticity
3. The chief alloying elements of stainless steel are
- (A) Chromium and
nickel
- (B) Chromium and
tungsten
- (C) Nickel and
vanadium
- (D) Nickel and
tungsten
4. Which one of the following characteristics about tin is correct?
- (A) Tin can
withstand high temperature
- (B) Tin is the
main constituent of most solders
- (C) Tin
is very good conductor of electricity
- (D) Tin is
corrosion resistant metal
5. White metal is an alloy of
- (A) Copper and
tin
- (B) Copper, zinc
and tin
- (C) Copper,
lead, tin and antimony
- (D) Copper,
zinc, tin and antimony
6. The property by which metal can be rolled into sheet is
- (A) Elasticity
- (B) Malleability
- (C) Ductility
- (D) Tenacity
7. Which one of the following groups of properties enables the manufacture of chain links from wrought iron?
- (A) Ductility,
Malleability and hardness
- (B) Hardness,
toughness and ductility
- (C) Malleability,
ductility and toughness
- (D) Hardness,
toughness and brittleness
8. Which one of the following properties is most essential for the metals in the process of casting, welding, brazing and soldering?
- (A) Fusibility
- (B) Malleability
- (C) Tenacity
- (D) Plasticity
9. Which of the following metals can be found in a pure state in nature?
- (A) Lithium
- (B) Iron
- (C) Gold
- (D) Aluminium
10. Galvanized metals have been covered with a thin sheet of
- (A) Chromium
- (B) Copper
- (C) Tin
- (D) Zinc
11. The chief chemical property of aluminium is that it is
- (A) Soft
- (B) Brittle
- (C) Strong
- (D) Tough
12. Carbon content in cold chisel is
- (A) 0.6 to 0.7%
- (B) 0.85 to
0.95%
- (C) 1.0 to 1.2%
- (D) 1.2 to 1.4%
13. Generally, bearing bushes are made of
- (A) Copper
- (B) Brass
- (C) White metal
- (D) Gun metal
14. Which one of the following properties offers resistance to abrasion?
- (A) Hardness
- (B) Toughness
- (C) Ductility
- (D) Malleability
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