EPA 609 Practice Test (TYPE 1) Questions With Correct Answers

Technicians who perform sealed-system service on small appliances must have; A. Type I, II, or III certification. B. Type I or Universal certification. C. Type II certification. D. A Universal 609 certification - Answer B. Type I or Universal certification. When using a system-dependent recovery system on an appliance that has an operating compressor, the technician should; A. Run the compressor and recover from the low side of the system only. B. Install access fittings on both the high and low-pressure sides of the system. C. Run the compressor and recover from the high side of the system only. D. Never allow the refrigerant to go to the high side of the system. - Answer C. Run the compressor and recover from the high side of the system only. Recovery equipment must be; A. CSA approved. B. Certified by an EPA-approved testing laboratory. C. Used on all equipment manufactured after July 1, 1995. D. Used on all equipment manufactured after November 15, 1995. - Answer B. Certified by an EPA-approved testing laboratory. Which of the following is an example of a non-condensable? A. Moisture B. Air C. R-12 D. R-134a - Answer B. Air On a system with an operating compressor, recovery equipment must be capable of recovering; A.95% of the refrigerant or achieving 5 inches of vacuum. B. 90% refrigerant or achieving 4 inches of vacuum. C. 80% refrigerant or achieving 4 inches of vacuum. D. 100% refrigerant or achieving 0 inches of vacuum. - Answer B. 90% refrigerant or achieving 4 inches of vacuum. When pressurizing a system with nitrogen you should; A. Never exceed 3.5 times the high side pressure rating. B. Charge through a pressure regulator. C. Install a relief valve in the line downstream from the pressure regulator. D. Both B and C. - Answer D. Both B and C. Applying heat with a heat gun to the compressor; A. can help free-up a bound compressor motor. B. can help vaporize any trapped liquid refrigerant during recovery. C. can help remove trapped refrigerant vapor during recovery. D. can aid in isolating and pinpointing a refrigerant leak. - Answer B. can help vaporize any trapped liquid refrigerant during recovery. Type I Certification is required for; A. persons handling refrigerant during maintenance, service, or repair of small appliances. B. all persons who work in the factory that produces refrigerants. C. all persons working at a refrigerant disposal site. D. owners of manufacturing companies that produce CFCs. - Answer A. persons handling refrigerant during maintenance, service, or repair of small appliances If regulations change after the technician becomes certified; A. The technician must re-take the certification exam. B. An additional fee must be paid to the EPA by the technician. C. The technician is responsible for complying with any changes to the regulations. D. There are no additional compliance requirements for the technician. - Answer C. The