Evaporator Feed Control and Refrigeration

What are the five main components and accessories of a basic refrigeration system?

• Evaporator, compressor, condenser, metering device, accessories

• Compressor, condenser, evaporator, accessories, expansion valve

• Condenser, evaporator, compressor, metering device, accessories

• Evaporator feed control, compressor, condenser, evaporator, accessories

What is the process of reducing temperatures in a closed system known as?

• Refrigeration effect

• Cooling effect

• Temperature reduction

• Heat transfer

What is required for evaporator feed controls to work effectively?

• Intermittent supply of air

• Continuous supply of liquid refrigerant

• Continuous supply of air

• Intermittent supply of liquid refrigerant

What are the two application types for refrigerant metering devices?

• Direct systems and indirect systems

• Direct expansion and indirect expansion

• Dry systems and flooded systems

• DX systems and flooded systems

What are the variables to consider when determining the type of metering device for a specific application?

• Evaporator type, compressor motor design, primary system controller, metering device design

• System capacity, evaporator type, compressor motor design, primary system controller

• System capacity, evaporator type, compressor motor design, metering device design

• System capacity, primary system controller, metering device design, accessories

What is the main purpose of the refrigeration effect?

• Useful cooling

• Cooling without a purpose

• Cooling for fun

• Cooling for decoration

What does air entering a liquid do to the flow?

• Does not affect the flow

• Reduces the flow

• Increases the flow

• Stops the flow

What is the main component responsible for controlling the flow of liquid refrigerant in a refrigeration system?

• Metering device

• Condenser

• Compressor

• Evaporator feed control

What is the purpose of the expansion control devices?

• To increase temperatures

• To reduce temperatures

• To control the flow of refrigerant

• To mix air with water

What is the effect of a pinhole in a straw above the waterline?

• Allows water to flow smoothly

• Allows air to enter and obstruct the flow

• Increases the flow rate

• Reduces the flow rate