EPA Practice Test Flash Cards (TYPE 1) Questions with Correct Answers

EPA Practice Test Flash Cards (TYPE 1)

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 - answerB. 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. - answerC. 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. - answerB. 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 - answerB. 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. - answerB. 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. - answerD. 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. - answerB. 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. - answerA. 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. - answerC. The
technician is responsible for complying with any changes to the regulations.

With a non-operating system compressor, recovery equipment must be capable of
recovering;
A. 90 percent of the refrigerant or achieving 4 inches of vacuum.
B. 90 percent of the refrigerant or achieving 5 inches of vacuum.
C. 80 percent of the refrigerant or achieving 5 inches of vacuum.
D. 80 percent of the refrigerant or achieving 4 inches of vacuum. - answerD. 80 percent
of the refrigerant or achieving 4 inches of vacuum.

Self-contained or active recovery equipment;
A. Depends on a special charcoal bag filter.
B. Has its own means to recover refrigerant.
C. Is not capable of reaching the required liquid rates.
D. Requires a vacuum pump rated at more than 3 CFM. - answerB. Has its own means
to recover refrigerant.

After the refrigerant has been recovered, which of the following can be used to flush the
system?
A. R-22
B. Compressed air
C. Nitrogen
D. Water - answerC. Nitrogen

A small appliance is defined by EPA as;