semplr.

Exams · Certifications · Licensing

EPA Section 608 — Type II

Recovery techniques and requirements: practice questions

Our EPA 608 Type II bank has 15 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

Start the free mock exam

Question 1

What determines the evacuation level a high-pressure appliance must reach before opening or disposal?

  1. The outdoor humidity
  2. The type of appliance, its refrigerant charge size and the date the recovery equipment was manufactured
  3. The age of the technician
  4. The colour of the unit
Show the answer

B. The type of appliance, its refrigerant charge size and the date the recovery equipment was manufactured — EPA publishes a table of required levels in 40 CFR 82.156.

Question 2

When is it acceptable to return recovered refrigerant to an appliance without reclaiming it?

  1. Whenever it looks clean
  2. Never
  3. When it is sold to another customer for use in their own equipment
  4. When it goes back into the same owner's equipment
Show the answer

D. When it goes back into the same owner's equipment — Selling to a new owner requires reclamation to AHRI 700.

Question 3

Why is it important to circulate water through a water-cooled condenser or chiller barrel during recovery?

  1. To prevent the water in the tubes from freezing
  2. To heat the recovery cylinder
  3. To add moisture to the refrigerant so it flows more easily
  4. To speed up the compressor
Show the answer

A. To prevent the water in the tubes from freezing — As refrigerant pressure drops, its temperature falls below freezing.

Question 4

Which factor makes recovery slower?

  1. A chilled recovery cylinder and short, wide hoses
  2. Short, large-diameter hoses
  3. Long hoses and low ambient temperature
  4. Recovering liquid first
Show the answer

C. Long hoses and low ambient temperature — Lower temperatures mean lower pressures and slower transfer.

Question 5

After reaching the required evacuation level, why should you wait a few minutes before disconnecting?

  1. Because the law requires a one-hour wait before any hoses are removed from the system
  2. To charge oil
  3. To see if the pressure rises, showing refrigerant still in the oil or system
  4. To let the compressor cool
Show the answer

C. To see if the pressure rises, showing refrigerant still in the oil or system — If pressure rises, continue recovery.

More EPA 608 Type II topics