ACR-202 Quiz Week 6

These are more appealling to customers but are less effecient to run.

• Closed case displays

• Open case displays

• Single compressor, multiple evaporator display

• Parallel Compressor display

From the list below, which attribute best describes a self-contained reach-in refrigerator/freezer?

• Often refered to as rack systems.

• If compressor failure occurs, all units are affected.

• Small and easy to move around to suit customer needs.

• Uses two or more compressors.

Which of the following are referred to as a rack system?

• Single compressor system

• Parallel compressor system

• Self contained reach in

• Individual condensing reach in

While rack systems have plenty of advantages, which of the following attributes discribe their disadvantages?

• Leaks and compressor burnout affect the entire rack system.

• Refrigeration load cannot be easile matched.

• If one compressor fails, many boxes will be affected.

• Higher operating costs.

Matching the capacity of a refrigeration system with the load of the evaporator is known as...

• Variable superheating

• Load matching

• Evaporator regulation

• Ramping