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?

Major load areas (C) Signup and view all the answers

What is the principal power source for mines?

Utility companies (A) Signup and view all the answers

Match the following power system equipment with their functions:

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 Signup and view all the answers

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

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 Signup and view all the answers

Match the following power system locations with their functions:

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 Signup and view all the answers

Match the following power system components with their functions:

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 Signup and view all the answers

Match the following power system stages with their functions:

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 Signup and view all the answers

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