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Quiz 2
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Q.1
Which of the following is not a classification of aluminum alloys?
a) Cast alloys
b) Heat-treatable alloys
c) Wrought alloys
d) Crucible alloys
Q.2
High conductivity copper is used ______
a) To raise softening temperature
b) In electrical engineering
c) To manufacture semiconductor elements
d) To reduce porosity
Q.3
Which brass alloy is suitable for high-speed machining?
a) High tensile brass
b) Gilding metal
c) Muntz metal
d) Leaded brass
Q.4
Which of the following type of bearing bronze is the weakest?
a) Phosphorus bronze
b) Leaded bronze
c) Sintered bronze
d) Plain tin bronze
Q.5
Magnalium is an alloy of magnesium, ________
a) Nickel and Zinc
b) Nickel and Tin
c) Zirconium and Zinc
d) Zinc and Tin
Q.6
Which of the following polymer additive is used to remove parts from molds?
a) Reinforcements
b) Lubricants
c) Stabilizers
d) Plasticizers
Q.7
Which of the following carbides are used for cutting tools?
a) Chromium carbide
b) Silicon carbide
c) Tungsten carbide
d) Vanadium carbide
Q.8
Which of the following is not a type of protective coating?
a) Non-metallic
b) Metallic
c) Inorganic
d) Organic
Q.9
Which of the following is an example of soft magnetic material?
a) Strontium
b) Neodymium
c) Permalloy
d) Alnico
Q.10
Which of the following is an example of organic insulating material?
a) Asbestos
b) Slag
c) Wood-pulp
d) Charcoal
Q.11
Which of the following is a characteristic of asbestos minerals?
a) Heat resistance
b) Reacts with acids
c) Poor strength
d) Poor bonding
Q.12
Which of the following is not a method of fabrication of rubber?
a) Vacuum forming
b) Buffing
c) Calendering
d) Compression molding
Q.13
What is the result of full annealing of hypoeutectoid steels?
a) Cementite
b) Coarse pearlite
c) Silicon
d) Bainite
Q.14
Which among the following is not an amorphous material?
a) Lead
b) Glass
c) Rubbers
d) Plastics
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