#5 EPA 608 Type III

Front

A chiller with a charge of 200 pounds has passed the initial verification leak test. When must a follow-up verification test be conducted?

Back

Within 10 days.

Front

What evacuation level must technicians recover refrigerant to before disposing a low-pressure appliance? Options: 0 psig, 15 inches of Hg vacuum, 25 inches of Hg vacuum, 25 mm of Hg absolute

Back

25 mm of Hg absolute

Front

A rupture disc on a recovery vessel for low-pressure refrigerants relieves at; 5 psig, 10 psig, 15 psig, 20 psig.

Back

15 psig.

Front

On low-pressure chillers, moisture most frequently enters the refrigerant system through;

Back

leaks from areas with gaskets or fittings.

Front

How long must owners and operators of low-pressure chillers using HCFC refrigerant keep records of leak inspections, initial verification, and follow-up verification tests?

Back

3 years

Front

Starting in 2019, what is the leak rate threshold for comfort cooling appliances with a full charge of 50 or more pounds?

Back

10%

Front

Where is the lowest access point on a low-pressure centrifugal air-conditioning appliance?

Back

Evaporator charging valve.

Front

Under what code group of Standard 34 does R-123 fall?

Back

B1

Front

What is the typical design burst pressure for a rupture disk on a low-pressure centrifugal air-conditioning system? Options: 5 psig, 10 psig, 15 psig, 20 psig

Back

15 psig

Front

Charging liquid R-245fa into a low-pressure refrigeration system under a vacuum greater than 18 inches Hg vacuum can cause the;

Back

system water to freeze.