Podcast
Questions and Answers
What must the refrigeration plant's load always equal?
What must the refrigeration plant's load always equal?
- The compressor capacity
- The temperature of the refrigerated medium
- The cooling load (correct)
- The mass of refrigerant circulated per unit time
What will happen if the plant operates at full capacity when the load is low?
What will happen if the plant operates at full capacity when the load is low?
- The compressor capacity will tie up party
- The system capacity control will influence the amount of refrigerant
- The temperature of the refrigerated medium will rise above the set point (correct)
- The mass of refrigerant circulated per unit time will drop
What is used to directly adjust the compressor capacity?
What is used to directly adjust the compressor capacity?
- A control system that can directly adjust compressor capacity (correct)
- A thermostat with a bimetal or filled system thermal sensing element
- A control system that regulates evaporator capacity
- A control system that responds to temperature, pressure, and humidity
How can compressor capacity be adjusted?
How can compressor capacity be adjusted?
What is used to detect the temperature of the refrigerated medium?
What is used to detect the temperature of the refrigerated medium?
How can the system capacity control influence the amount of refrigerant?
How can the system capacity control influence the amount of refrigerant?
What is the primary function of a thermostat in a refrigeration system?
What is the primary function of a thermostat in a refrigeration system?
What type of thermostat can directly control the power supply to small compressor motors?
What type of thermostat can directly control the power supply to small compressor motors?
How does a filled system remote bulb thermometer control a compressor?
How does a filled system remote bulb thermometer control a compressor?
What is the purpose of the temperature differential setting in a thermostat?
What is the purpose of the temperature differential setting in a thermostat?
What is the relationship between the cut-in and cut-out points of a thermostat?
What is the relationship between the cut-in and cut-out points of a thermostat?
Which type of thermostat can be used to produce variable resistance, variable voltage, or variable current, or send digital signals to control systems?
Which type of thermostat can be used to produce variable resistance, variable voltage, or variable current, or send digital signals to control systems?
