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Engineering Materials Metallurgy
Engineering Materials Metallurgy Interview
Quiz 1
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Q.1
Tin content in bronzes is kept belowdue to their tendency to become _______
a) Less conductive
b) Brittle
c) Radioactive
d) Less corrosion resistant
Q.2
Bell bronze is an alloy containing _______
a) 78% Cu, 22% Sn
b) 95.5% Cu, 3% Sn, 1.5% Zn
c) 95% Cu, 3% Si, 1% Mn, 1% Fe
d) 75% Cu, 5% Sn, 18% Pb, 2% Ni
Q.3
Which bronze alloy is commonly used as bearing alloy?
a) Phosphor bronze
b) Silicon bronze
c) Aluminum bronze
d) Leaded bronze
Q.4
______ is added to aluminum bronze to increase strength and hardness.
a) Nickel
b) Lead
c) Iron
d) Silicon
Q.5
Why is silicon bronze classified as a bronze alloy despite having no tin?
a) Due to strength
b) Due to its color
c) Due to ductility
d) Good machinability
Q.6
Copper coins are made using ______
a) Bell bronze
b) Aluminum bronze
c) Coinage bronze
d) Silicon bronze
Q.7
Alloys containing copper, tin, and zinc are known as ______
a) Gunmetal
b) Bronze
c) Brass
d) Cupro-nickel
Q.8
Addition of zinc to gun metals results in ______
a) Improved fluidity
b) Increased machinability
c) Increased castability
d) Improved toughness
Q.9
Which of the following is an application of admiralty gunmetal?
a) Bearings
b) Marine castings
c) Hydraulic valves
d) Statues
Q.10
Highest corrosion resistance in seawater is found is ______ copper alloys.
a) Nickel silver
b) Bronze
c) Cupronickel
d) Gunmetal
Q.11
Monel metal is a type of ______ alloy.
a) Nickel silver
b) Cupronickel
c) Gunmetal
d) Sterling silver
Q.12
Which of the following is a heat treated alloy?
a) Monel metal
b) Cupronickel
c) German silver
d) K monel
Q.13
Which copper alloy is used for making cutlery?
a) German silver
b) Cupronickel
c) Brass
d) Bronze
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