PRE-TEST: Prepare Refrigerant Materials

A process of altering the properties of air to more favorable conditions.

• Air- condition

• Automotive

• Refrigeration

• Welding

The process of keeping an item below room temperature by storing the item in a system or substance designed to cool or freeze.

• Air- condition

• Refrigeration

• Automotive

• Welding

This is considered the heart of the refrigeration system.

• Condenser

• Motor Compressor

• Evaporator

• Thermostat

A part of refrigerating mechanism used to cool down the hot vapor until it returns to liquid state.

• Condenser

• Evaporator

• Motor Compressor

• Thermostat

A part of refrigerating mechanism which traps moisture and impurities of liquid refrigerant from entering the refrigerant flow control.

• Condenser

• Evaporator

• Filter Drier

• Thermostat

What kind of tubing is considered strong, highly resistant to corrosion, and easily connected to the fitting by either flaring or brazing?

• Aluminum

• Copper

• Flexible Hose

• Stainless Steel

A capillary tube will control______________________.

• Electricity

• The flow of current

• The flow of refrigerant

• The temperature

The tubing intended for refrigeration and air conditioning installation should be ________.

• Clean and dry

• Moisturized

• Oily

• Wet

Which of the following tubing is installed in the suction and discharge line of the system in order to prevent vibration of the mechanism?

• Copper Tube

• Flexible

• Plastic

• Steel

What kind of tubing are used in evaporator coil inside the refrigerator?

• Aluminum

• Copper

• Flexible Hose

• Stainless Steel