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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