Auto 13 - Electrical Part II

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Quizzes Created: 5 | Total Attempts: 537
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Auto 13 - Electrical Part II - Quiz

The last quiz in the series! Congratulations!


Questions and Answers
  • 1. 

    When testing a fuse with an Ohmmeter, a good fuse should have….

    • A.

      High resistance

    • B.

      Low resistance

    • C.

      Fuses can’t be tested with an ohmmeter

    • D.

      Ohmmeters do not measure resistance

    Correct Answer
    B. Low resistance
    Explanation
    Low resistance means current can flow, until too much shows up, then the trouble starts....

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  • 2. 

    A relay uses _________ to _____________?

    • A.

      Low voltage; activate a high voltage circuit

    • B.

      Low resistance; activate a high resistance circuit

    • C.

      High current; activate a low current circuit

    • D.

      Low current; activate a high current circuit

    Correct Answer
    D. Low current; activate a high current circuit
    Explanation
    Basically, a small flashlight's worth of current can switch a high beam light level of current. It's a convenient way of controlling circuits.

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  • 3. 

    You’re adding 4 bush lights at 3 ohms each. What rating of fuse should you use to protect the new circuit? (use a “surge factor” of 1.5)

    • A.

      16 A

    • B.

      12 A

    • C.

      24 A

    • D.

      8 A

    Correct Answer
    C. 24 A
    Explanation
    A = V/Ohms.
    A = 12V/3 Ohms
    A = 4
    4A x 4 lights = 16A
    16A x 1.5 (surge factor) = 24A

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  • 4. 

    For a higher current circuit you would want what sort of gauge wire?

    • A.

      Smaller gauge number

    • B.

      Larger gauge number

    • C.

      Doesn’t matter, because current isn’t affected by wire gauge

    • D.

      14 gauge wire is the best for high current circuits

    Correct Answer
    A. Smaller gauge number
    Explanation
    In another example of technical backwardness, smaller gauge numbers means larger wire, which means more current can flow through it.

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  • 5. 

    In wiring diagrams and electrical schematic drawings, where is the positive side drawn?

    • A.

      Top

    • B.

      Bottom

    • C.

      Left hand side

    • D.

      Right hand side

    Correct Answer
    A. Top
    Explanation
    As far as wiring diagrams are concerned, electricity flows (mostly) from top to bottom.

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