Type 1-#4

Type 1-#4

University

25 Qs

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Type 1-#4

Type 1-#4

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Melinda Garcia

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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Only a single piercing access valve needs to be installed in which of the following recovery systems?

System-dependent recovery units

Self-contained recovery units

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To charge a system accurately with refrigerant, a graduated charging cylinder is used.

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As per EPA regulations, it is not necessary to recover which of the following refrigerants?

Methyl chloride

Ammonia

Sulur dioxide

All the options are correct

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The EPA approves which of the following refrigerants being recovered by EPA-approved devices?

Methyl chloride

Ammonia

Hydrogen

None of the options are correct

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Only appliances with ______ or less of refrigerants can be recovered by system-dependent recovery equipment.

10 lbs

15 lbs

20 lbs

25 lbs

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trapped liquid refrigerant is vaporized, and the recovery process is sped up by which of the following, found in domestic refrigeration systems?

Compressor

Condenser

Evaporator

Defrost heater

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Overheating is not a risk to the system compressor in which of the following recovery units?

Self-contained recovery units

System-dependent recovery units

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