EPA 608 609 Type I 2

Question 1

Type I certification covers servicing which kind of appliance?

Accepted Answer

Small appliances with 5 lbs or less of refrigerant

Answer

High-pressure systems over 50 lbs

Answer

Motor vehicle air conditioners

Answer

Low-pressure chillers

Question 2

What is the minimum required recovery efficiency when using recovery equipment manufactured before November 15, 1993 on a small appliance?

Accepted Answer

90% with operating compressor / 80% with inoperative compressor

Answer

80%

Answer

100%

Answer

70%

Question 3

For recovery equipment manufactured after November 15, 1993, what recovery level is required for small appliances?

Accepted Answer

90% or 4 inches of vacuum

Answer

80% always

Answer

90% with working compressor / 80% without

Answer

100% recovery

Question 4

A 'system-dependent' (passive) recovery device relies on what to remove refrigerant?

Accepted Answer

The appliance's own compressor and pressure

Answer

An external vacuum pump only

Answer

Heat from a torch

Answer

A nitrogen purge

Question 5

System-dependent recovery equipment may only be used on appliances containing how much refrigerant?

Accepted Answer

5 lbs or less

Answer

15 lbs or less

Answer

50 lbs or less

Answer

Any amount

Question 6

When recovering from a small appliance with an inoperative compressor, what improves recovery?

Accepted Answer

Accessing both the high and low sides of the system

Answer

Only the suction line

Answer

Heating the recovery cylinder

Answer

Adding oil to the system

Question 7

Striking or tapping the compressor of a small appliance during recovery is intended to do what?

Accepted Answer

Free trapped refrigerant and oil

Answer

Test the relay

Answer

Break the hermetic seal

Answer

Cool the compressor