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EPA 608 CORE EXAM 2025: REAL
VERIFIED QUESTIONS & CORRECT
ANSWERS| PACK OF EXCELLENCE| THE
ULTIMATE KEY TO YOUR SUCCESS.
1. Disposable cylinders are only used with ... - correct answer -
virgin refrigerant
2. Disposable cylinders must be used for recovery(true or false). -
correct answer - false
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3. Name the ports of a recovery cylinder. - correct answer - liquid
and vapor
4. A refillable recovery container can be filled to what capacity? -
correct answer - 80% of capacity by weight
5. Name the 3 ways filling of a recovery cylinder can be
controlled. - correct answer - mechanical float, electronic shut
off, weight.
6. Refillable containers must be hydrostatically tested and date
stamped how often? - correct answer - every 5 years.
7. Who regulates refillable cylinders? - correct answer - DOT
8. Recovery cylinders are what color? - correct answer - yellow
tops and gray bodies
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9. All cylinders should be inspected for what? - correct answer -
rust
10. What should be done if a cylinder appears to have a
problem? - correct answer - reduce to 0 psi and discard.
11. What precautions should you take when working with
refrigerant? - correct answer - safety glasses, gloves, follow
manufacturers precautions.
12. When pressurizing with nitrogen, what should always be
used? - correct answer - pressure regulator
13. When pressurizing with nitrogen, what should always be
inserted downsteam? - correct answer - relief valve
14. When leak checking a system, why can't oxygen or
compressed air be used? - correct answer - explosion
EPA 608 CORE EXAM 2025: REAL
VERIFIED QUESTIONS & CORRECT
ANSWERS| PACK OF EXCELLENCE| THE
ULTIMATE KEY TO YOUR SUCCESS.
1. Disposable cylinders are only used with ... - correct answer -
virgin refrigerant
2. Disposable cylinders must be used for recovery(true or false). -
correct answer - false
, Page | 2
3. Name the ports of a recovery cylinder. - correct answer - liquid
and vapor
4. A refillable recovery container can be filled to what capacity? -
correct answer - 80% of capacity by weight
5. Name the 3 ways filling of a recovery cylinder can be
controlled. - correct answer - mechanical float, electronic shut
off, weight.
6. Refillable containers must be hydrostatically tested and date
stamped how often? - correct answer - every 5 years.
7. Who regulates refillable cylinders? - correct answer - DOT
8. Recovery cylinders are what color? - correct answer - yellow
tops and gray bodies
, Page | 3
9. All cylinders should be inspected for what? - correct answer -
rust
10. What should be done if a cylinder appears to have a
problem? - correct answer - reduce to 0 psi and discard.
11. What precautions should you take when working with
refrigerant? - correct answer - safety glasses, gloves, follow
manufacturers precautions.
12. When pressurizing with nitrogen, what should always be
used? - correct answer - pressure regulator
13. When pressurizing with nitrogen, what should always be
inserted downsteam? - correct answer - relief valve
14. When leak checking a system, why can't oxygen or
compressed air be used? - correct answer - explosion
