EPA 608 609 Type I 3

Question 1

Recovery devices made after November 15, 1993 must be certified by an EPA-approved equipment testing organization to meet which standard?

Accepted Answer

ARI 740

Answer

Post-1993 recovery equipment must be certified to the ARI (now AHRI) 740 standard by an approved laboratory.

Question 2

What is the leak-rate threshold that requires repair for comfort-cooling appliances? (general 608 knowledge)

Accepted Answer

10%

Answer

Comfort-cooling appliances with 50 or more pounds must be repaired when they leak at an annual rate of 10% or more.

Question 3

A technician evacuating a small appliance to 4 inches of vacuum is satisfying which requirement?

Accepted Answer

The post-1993 recovery alternative

Answer

Reaching 4 inches of mercury vacuum is the alternative to the 90% recovery requirement for post-1993 equipment.

Question 4

Before recovering refrigerant from a small appliance, the technician should do what with the recovery cylinder?

Accepted Answer

Verify it is a DOT-approved recovery cylinder and not overfilled

Answer

Only DOT-approved recovery cylinders should be used, and they must never be filled beyond 80% of capacity.

Question 5

A recovery cylinder should never be filled beyond what percentage of its capacity?

Accepted Answer

80%

Answer

Recovery cylinders must not be filled above 80% to allow room for liquid expansion and prevent rupture.

EPA 608 609 Practice Test