Class VIII

A polymer with a flame spread rating of 32 is ____________.
  1. noncombustible
  2. slow burning
  3. fire retardant
  4. None of these
Voltage that insulating material can withstand before breakdown.
  1. resistivity strength
  2. dieletric strength
  3. crazing strength
  4. None of these
Resistance that a material presents to flow of electricity.
  1. crazing
  2. oxidation
  3. resitivity
  4. None of these
Untreated plastics will __________.
  1. shrink
  2. oxidize
  3. burn
  4. None of these
Molecular migration.
  1. permeation
  2. crazing
  3. oxidation
  4. None of these
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