Refrigeration Accessories Objective 1

What is the purpose of a filter drier in a refrigeration system?

• To increase the temperature of the refrigerant

• To increase the speed of the refrigerant

• To remove water and contaminants from the refrigerant

• To reduce the pressure of the refrigerant

What is the function of a solenoid valve in a refrigeration system?

• Filters the refrigerant

• Reduces the temperature of the refrigerant

• Increases the humidity in the system

• Controls the flow of refrigerant

Where is a liquid receiver located in a refrigeration system?

• Outside the refrigeration system

• Between the evaporator and the compressor

• Between the compressor and the condenser

• Between the condenser and the expansion device

What is the purpose of a suction accumulator in a refrigeration system?

• Prevents liquid refrigerant from entering the compressor

• Increases the pressure in the system

• Reduces the efficiency of the system

• Filters the oil in the system

What is the role of a service valve in a refrigeration system?

• Controls the flow of oil in the system

• Reduces the temperature of the system

• Increases the speed of the refrigerant

• Allows convenient access to the refrigerant

What does an oil separator do in a refrigeration system?

• Increases the pressure in the system

• Regulates the temperature of the system

• Removes contaminants from the refrigerant

• Separates oil out of the refrigerant

Why is a relief valve important in a refrigeration system?

• Reduces the noise in the system

• Controls the flow of refrigerant

• Increases the efficiency of the system

• Prevents the refrigeration vessel from rupturing

What is the function of a vibration eliminator in a refrigeration system?

• Absorbs compressor vibrations

• Regulates the temperature of the system

• Increases the pressure in the system

• Filters the refrigerant

What does a sight glass/moisture indicator allow a technician to do?

• Observe the state and condition of the refrigerant

• Control the flow of oil in the system

• Regulate the temperature of the system

• Increase the pressure in the system

Which of the following is NOT a common refrigeration accessory?

• Solenoid valve

• Liquid receiver

• Filter drier

• Thermostat