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Chlorofluorocarbon (CFC) Refrigeration Practice Exam 13

Chlorofluorocarbon (CFC) Refrigeration Practice Exam 13

The topic is Chlorofluorocarbon (CFC) Refrigeration. The following exam is produced to test knowledge of safe refrigerant handling and EPA regulations regarding the HVAC industry. It contains over hundred questions of the topic to make sure your knowledge level gets tested so you can prepare yourself for the final exam.

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Quiz Questions And Answers

The component which changes a low-pressure vapor to a high pressure vapor is the

Evaporator
Condenser
Compressor
Expansion device or TXV

is the cleaning of refrigerant for reuse by oil separation and single or multiple passes through moisture absorption devices.

Recirculation
Recovery
Recycling
Reclamation

_ is defined as processing refrigerant to a level equal to new product specifications as determined by chemical analysis.

Recovery
Reclamation
Recycling
Recirculation

is the transfer of refrigerant, in any condition, from a system to a storage container, without testing or purifying the refrigerant in any way.

Recovery
Recirculation
Recycling
Reclamation

During dehydration of a refrigeration system, the refrigeration system can be................... to decrease dehydration time

Heated
Either 1 or 2
Neither 1 or 2 will affect dehydration time
Cooled

When recharging an R-11 system, the first step is to charge the unit with refrigerant vapor ____.

To avoid liquid evaporation
To reduce non-condensable formation
To avoid evaporator water freezing problems
Both 1 and 3

The EPA defines a as an appliance that uses a refrigerant with a boiling point below -50°C at atmospheric pressure (29.9 inches of mercury). This definition includes but is not lim

Very high-pressure appliance
Low-pressure appliance
High-pressure appliance
Very low-pressure appliance

System vacuum level is measured with the

1) system isolated
3) system compressor running
2) vacuum pump running
4) recovery system running

When leak testing a low pressure centrifugal with nitrogen, the maximum test pressure is_ psig.

10
100
350
400

The EPA defines as any service, maintenance, or repair on an appliance that could reasonably be expected to release refrigerant from the appliance to the atmosphere unless the refr

Opening an appliance
Service
Minor service
None of these
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