Practice Test: Question Set - 24
1. The type of space lattice found in gamma-iron is
- (A) Face centered
cubic space lattice
- (B) Body
centered cubic space lattice
- (C) Close
packed hexagonal space lattice
- (D) None
of these
2. Cartridge brass can be
- (A) Cold
rolled into sheets
- (B) Drawn
into wires
- (C) Formed
into tube
- (D) Any
one of these
3. Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant?
- (A) Bessemer
process
- (B) Open
hearth process
- (C) Electric
process
- (D) LD process
4. Bronze is an alloy of
- (A) Copper and
zinc
- (B) Copper and
tin
- (C) Copper, tin
and zinc
- (D) None
of these
5. Steel with __________ carbon is known as hypo-eutectoid steel.
- (A) 0.8%
- (B) Below 0.8%
- (C) Above 0.8%
- (D) None of
these
6. Age hardening is related to
- (A) Duralumin
- (B) Brass
- (C) Copper
- (D) Silver
7. The maximum internal diameter of a blast furnace is about
- (A) 3 m
- (B) 6 m
- (C) 9 m
- (D) 12 m
8. The machinability of aluminium increases when _________ is added to aluminium.
- (A) Copper
- (B) Magnesium
- (C) Silicon
- (D) Lead and
bismuth
9. Eutectoid reaction occurs at
- (A) 600°C
- (B) 723°C
- (C) 1147°C
- (D) 1493°C
10. Nickel when added to copper improves
- (A) Machinability
- (B) Hardness
- (C) Hardness
and strength
- (D) Strength
and ductility
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