EPA Section 608 Exam Questions with 100%
Correct Answers Updated & Verified
Which of the following leak detection methods is considered to be the most effective for
locating the general area of a small leak?
A. Standing vacuum test
B. Electronic or ultrasonic tester
C. Halide troch
D. Audible sound - ✔️✔️B. Electronic or ultrasonic tester
Which type of refrigerant typically has the lowest global warming potential?
A. HCFC's
B. HFO's
C. HFC's
D. All are equal - ✔️✔️B. HFO's
Which factor does not affect the speed of evacuation?
A. The size of the equipment being evacuated
B. The ambient temperature
C. The amount of moisture in the system
D. The brand of micron gauge being used - ✔️✔️D. The brand of micron gauge being used
Refrigerant cylinders should be all of the following EXCEPT:
A. Be free of dust and damage
B. Be filled to 95% capacity
C. Be labeled
D. Be secure - ✔️✔️B. Be filled to 95% capacity
, Which of the following is not recommended safety practice when operating refrigerant
recovery or recycle equipment?
A. Wear safety glasses
B. Wear protective gloves
C. Follow all safety precautions for the equipment
D. Remain at least 5 feet away from the operating equipment - ✔️✔️D. Remain at least 5 feet
away from the operating equipment
What does section 608 certification allow a technician to do?
A. Import R22 from overseas
B. Purchase or handle controlled refrigerants
C. Service motor vehicle air containers
D. Perform any type of work on any type of HVACR equipment - ✔️✔️B. Purchase or handle
controlled refrigerants
Which of the following refrigerants contains chlorine?
A. R22
B. R134A
C. R410A
D. R1234yf - ✔️✔️A. R22
Which of the following refrigerants has the lowest global warming potential?
A. R 134a
B. R 404a
C. R 410a
D. R 600a - ✔️✔️D. R 600a
Correct Answers Updated & Verified
Which of the following leak detection methods is considered to be the most effective for
locating the general area of a small leak?
A. Standing vacuum test
B. Electronic or ultrasonic tester
C. Halide troch
D. Audible sound - ✔️✔️B. Electronic or ultrasonic tester
Which type of refrigerant typically has the lowest global warming potential?
A. HCFC's
B. HFO's
C. HFC's
D. All are equal - ✔️✔️B. HFO's
Which factor does not affect the speed of evacuation?
A. The size of the equipment being evacuated
B. The ambient temperature
C. The amount of moisture in the system
D. The brand of micron gauge being used - ✔️✔️D. The brand of micron gauge being used
Refrigerant cylinders should be all of the following EXCEPT:
A. Be free of dust and damage
B. Be filled to 95% capacity
C. Be labeled
D. Be secure - ✔️✔️B. Be filled to 95% capacity
, Which of the following is not recommended safety practice when operating refrigerant
recovery or recycle equipment?
A. Wear safety glasses
B. Wear protective gloves
C. Follow all safety precautions for the equipment
D. Remain at least 5 feet away from the operating equipment - ✔️✔️D. Remain at least 5 feet
away from the operating equipment
What does section 608 certification allow a technician to do?
A. Import R22 from overseas
B. Purchase or handle controlled refrigerants
C. Service motor vehicle air containers
D. Perform any type of work on any type of HVACR equipment - ✔️✔️B. Purchase or handle
controlled refrigerants
Which of the following refrigerants contains chlorine?
A. R22
B. R134A
C. R410A
D. R1234yf - ✔️✔️A. R22
Which of the following refrigerants has the lowest global warming potential?
A. R 134a
B. R 404a
C. R 410a
D. R 600a - ✔️✔️D. R 600a
