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Refrigeration System Operation Quiz
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Refrigeration System Operation Quiz

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Questions and Answers

What is responsible for controlling the amount of refrigerant circulated per unit time in a refrigeration system?

  • Compressor capacity (correct)
  • Temperature-Actuated Control
  • Humidity
  • Evaporator capacity
  • How can the capacity of a compressor in a refrigeration system be regulated?

  • By regulating evaporator capacity
  • By cycling it on and off (correct)
  • By changing the pressure
  • By adjusting the thermostat
  • Which component is used to detect the temperature of the refrigerated medium in a refrigeration system?

  • Evaporator coil
  • Bimetal element
  • Thermostat (correct)
  • Pressure sensor
  • In what way can a compressor capacity be adjusted besides cycling it on and off?

    <p>By employing variable speed control</p> Signup and view all the answers

    How does the system capacity control influence the operation of a refrigeration system?

    <p>By adjusting compressor capacity</p> Signup and view all the answers

    Which type of control directly adjusts the compressor capacity in a refrigeration system?

    <p>Multi-stage control</p> Signup and view all the answers

    What is the primary function of a thermostat in a refrigeration system?

    <p>To start and stop the compressor based on temperature changes</p> Signup and view all the answers

    What is the purpose of the temperature differential setting on a thermostat?

    <p>To keep the compressor from short-cycling</p> Signup and view all the answers

    How can a filled system thermometer be used to control the compressor motor?

    <p>By directly controlling the power supply to the compressor motor</p> Signup and view all the answers

    What type of signal can electronic thermostats send to control systems?

    <p>Both analog and digital signals</p> Signup and view all the answers

    What is the purpose of an unloader on a compressor?

    <p>To reduce the capacity of the compressor when needed</p> Signup and view all the answers

    Which type of thermostat can directly control the power supply to small compressor motors?

    <p>Bimetal thermostats</p> Signup and view all the answers

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