Q.1
Why is the reliability of a material an important property?
  • a) To maintain material cost
  • b) To maintain the quality of material
  • c) To obtain old stock material
  • d) To consider supplementary material
Q.2
Which of the following is an economic consideration of a material?
  • a) Structure
  • b) Appearance
  • c) Availability
  • d) Strain
Q.3
Porosity is the quantity of void space in a structure.
  • a) True
  • b) False
Q.4
What is a supplementary operation requirement?
  • a) The availability of extra material if the original material is damaged
  • b) A material that requires supplementary operations to be used in manufacturing
  • c) The operations that are not necessary to perform
  • d) Operations that have to be avoided
Q.5
Which of the following is a technological factor of materials?
  • a) Castability
  • b) Melting point
  • c) Availability
  • d) Stress
Q.6
The dimension of material is considered to be a _____________ property.
  • a) physical
  • b) technological
  • c) mechanical
  • d) economic
Q.7
No matter what the properties of a material are, cost should be the most vital consideration in the selection of materials.
  • a) True
  • b) False
Q.8
What is the foamability of a material?
  • a) The act of increasing the amount of material
  • b) The ability to make a soldered joint
  • c) Anti-foaming agents in a material
  • d) The amount of capability to produce foam
Q.9
Is the standardization of materials advantageous?
  • a) No, it is harmful to the aircraft
  • b) Only for the wheels of the aircraft
  • c) Yes, it is advantageous
  • d) It has never been done before
Q.10
Which of the following factors is least considered in the selection of materials for aircraft construction?
  • a) Color
  • b) Melting point
  • c) Weldability
  • d) Elasticity
Q.11
What is the machinability of a material?
  • a) Lack of material
  • b) Ease of cutting a material
  • c) Shining the material
  • d) Shrinking the material
Q.12
Which cost of the Shop equipment required should be considered?
  • a) Comparative cost
  • b) Initial cost
  • c) Maintenance cost
  • d) Maintenance cost plus the initial cost
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