Utility Company Power and Mine Power System Equipment Quiz
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Questions and Answers

What is the voltage commonly used for transmission in utility company power?

  • 10,000 V
  • 69,000 V (correct)
  • 4,160 V
  • 34,500 V

Where is power from a generating station transformed to a transmission voltage?

  • Industrial users
  • Distribution substations
  • Major load areas
  • Nearby substation (correct)

What is the range of primary-distribution level voltage after stepping down from transmission voltage?

  • 4,160 to 34,500 V (correct)
  • 50,000 V
  • 10,000 V
  • 69,000 V

Where is power carried on transmission lines to in utility company power?

<p>Major load areas (C)</p> Signup and view all the answers

What is the principal power source for mines?

<p>Utility companies (A)</p> Signup and view all the answers

Match the following power system equipment with their functions:

<p>Substation = Transforms transmission voltage to primary-distribution level Transmission lines = Carries power from generating station to major load areas Generating station = Produces power for utility companies Distribution substations = Step transmission voltage down to primary-distribution level</p> Signup and view all the answers

Match the following power transmission stages with their corresponding voltage levels:

<p>Transmission voltage = Commonly 69,000 V or more Primary-distribution level = Ranging from 4,160 to 34,500 V Utility transmission = Transforms power to transmission voltage Distribution substations = Step down voltage to primary-distribution level</p> Signup and view all the answers

Match the following power system locations with their functions:

<p>Generating station = Produces power for utility companies Substation = Transforms voltage levels Transmission lines = Carries power to major load areas Distribution substations = Step down voltage to primary-distribution level</p> Signup and view all the answers

Match the following power system components with their functions:

<p>Utility service = Principal power source for mines Transmission lines = Carries power from generating station to major load areas Substation = Transforms power to transmission voltage Distribution substations = Step down voltage to primary-distribution level</p> Signup and view all the answers

Match the following power system stages with their functions:

<p>Utility service = Principal power source for mines Transmission lines = Carries power from generating station to major load areas Generating station = Produces power for utility companies Distribution substations = Step down voltage to primary-distribution level</p> Signup and view all the answers

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