Hydropower Glossary Quiz
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Questions and Answers

What is the term for the phenomenon that affects hydropower turbines when vapor bubbles form and implode due to rapid pressure changes, generating shock waves that create cavities on the metal surface?

  • Cavitation (correct)
  • Hydro-erosion
  • Pressure voiding
  • Vaporization effect
  • What is the term for the ratio of a power plant's actual output over a period of time to its potential output if it were possible for it to continuously operate at full nameplate capacity over the same period of time?

  • Biogenic factor
  • Generation ratio
  • Capacity factor (net) (correct)
  • Output efficiency ratio
  • Which type of hydropower system consists of two reservoirs that are not connected to naturally flowing sources of water?

  • Closed-loop pumped storage hydropower (correct)
  • Off-grid hydropower system
  • Run-of-river hydropower
  • Open-loop pumped storage hydropower
  • What is the term for assets that are considered vital to the energy, economy, health, and/or safety security of the United States?

    <p>Critical infrastructure</p> Signup and view all the answers

    Which maintenance program recommends maintenance actions based on information collected from monitoring equipment through its life cycle?

    <p>Condition-based maintenance</p> Signup and view all the answers

    What do ancillary services in hydropower refer to?

    <p>Additional services provided by power plants for grid reliability</p> Signup and view all the answers

    In hydropower, what does basin-scale refer to?

    <p>The area of land drained by a river and its tributaries</p> Signup and view all the answers

    What characterizes adjustable-speed technology in hydropower systems?

    <p>It enables varying power consumption or generation for flexibility</p> Signup and view all the answers

    What is the main function of a balancing authority in the electricity sector?

    <p>To integrate resource plans, maintain load balance, and support grid frequency</p> Signup and view all the answers

    How would you define biodiversity in the context of hydropower?

    <p>The variety of life in a particular habitat or ecosystem</p> Signup and view all the answers

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