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Workforce LibreTexts

1.E: Self-Test 1

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    Self-Test 1

    1. Which term best describes a material that allows electrical energy to pass through it?
      1. Resister
      2. Insulator
      3. Conductor
      4. Connector
    2. Which of the following best describes the term electrical cable?
      1. Any wire
      2. Any insulated wire
      3. Multiple wires grouped together in a common insulation
      4. Multiple insulated wires grouped together in a common sheathing
    3. What is the primary purpose of insulation on wires?
      1. To protect the wire
      2. To make installation easier
      3. To prevent unwanted current flow
      4. So the wire can be colour coded
    4. When is stranded wire used?
      1. On short wires
      2. When cost is a factor
      3. On straight runs of wire
      4. When flexibility is needed
    5. Wire is sized by gauge: the higher the number, the larger the wire.
      1. True
      2. False
    6. What should be done to stranded wire prior to bending?
      1. It should be curled.
      2. It should be tinned.
      3. It should be wound.
      4. It should be twisted.
    1. Solderless connections are more costly than soldering.
      1. True
      2. False
    2. What is one advantage to a twist-on connector?
      1. It is permanent.
      2. One size fits all.
      3. It will not come apart.
      4. It can be removed easily.
    3. It doesn’t matter what material the conductor is made from when making a connection.
      1. True
      2. False
    4. What type of connector should be used to create a permanent splice?
      1. Twist
      2. Winged
      3. Crimp-on
      4. Set screw