Unit 3 Quiz

What term is used to describe the measurement of refrigeration capacity?

• Degree of refrigeration

• Ton of refrigeration

• Pound of refrigeration

• Refrigeration quotient

Which of the following is NOT a purpose of the compressor in a refrigeration cycle?

• To increase the refrigerant pressure

• To circulate the refrigerant

• To cool the refrigerant

• To decrease the volume of the refrigerant

What is the relationship between pressure and the boiling point of water or other liquids?

• Pressure and boiling point are inversely proportional

• Pressure and boiling point are directly proportional

• Pressure has no effect on the boiling point

• Boiling point decreases as pressure increases

Which color is NOT typically designated for a refrigerant cylinder?

• Blue

• Green

• Yellow

• Red

What should be plotted on a pressure/enthalpy diagram for a refrigerant blend (R-407C) that has a noticeable temperature glide?

• A refrigeration cycle with constant temperature lines

• A refrigeration cycle with constant pressure lines

• A refrigeration cycle with constant enthalpy lines

• A refrigeration cycle with a noticeable temperature glide

What should be properly ventilated to prevent hazards associated with refrigerant leaks?

• Storage areas for tools

• Areas with potential for refrigerant leaks

• Office spaces

• Dining areas

When should extra precautions be taken to prevent refrigerant leaks?

• When working near an open flame

• During regular office hours

• When the system is turned off

• While refilling office supplies

What protective gear should be worn when handling refrigerants?

• Heat-resistant suit

• Goggles with side shields and gloves

• Earplugs

• Steel-toed boots

Refrigerants should be transferred from the container to a system or from the system to what type of container?

• A recycled container

• An unapproved container

• A new container

• An approved container

What is the term refrigeration used to describe in this context?

• The process of heating food

• The process of preserving food and comfort cooling

• The process of freezing water into ice

• The process of cooking food at low temperatures