UNIT 26 REVIEW QUESTIONS ANSWER KEY GO BACK TO INDEX
26-1) What is the significance of the Montreal Protocol?
26-2) What is the possible fine for violating the Clean Air Act?
26-3) List the major provisions of Title VI, section 608 of the 1990 clean air act.
A prohibition on venting ozone depleting refrigerants
Technician certification
26-4) List the exceptions to the ban on venting ozone depleting refrigerant.
“De minimis” quantities of refrigerant released in the course of making good faith
attempts to recapture and recycle or safely dispose of refrigerant.
26-5) List the four parts of the EPA Certification exam.
Core
26-6) What is the definition of a small appliance?
26-7) List the recovery levels for Type I, small appliances.
80% of the charge if the recovery device is manufactured before November
15, 1993.
82
90% if the recovery device is manufacture after November 15, 1993 and the
compressor in the appliance in operational.
4” hg vacuum for active recovery devices
26-8) What is a non-pressurized container?
26-9) What is the difference between system-dependent recovery devices and
self-contained recovery devices?
26-10) List the recovery levels for Type II systems using a recovery system manufactured
before November 15, 1993.
26-11) List the recovery levels for Type II systems using a recovery system manufactured
on or after November 15, 1993.
26-12) List the recovery levels for Type III systems?
26-13) What is the advantage of beginning with liquid recovery whenever possible?
26-14) Why should liquid always be recovered first from chillers?
26-15) Describe the connection setup for push-pull liquid recovery.
The liquid line service valve or king valve is connected to the liquid valve on the
26-16) Describe the connection setup for vapor recovery.
The gauges are connected as they normally are, with the high side manifold hose
26-17) List methods of speeding up refrigerant recovery.
If possible, operate the system before beginning refrigerant recovery.
26-18) What is the maximum safe pressure to impose on any low-pressure system?
26-19) Discuss the difference between recovered, recycled, and reclaimed refrigerant.
Recovered refrigerant – has been removed in any condition from an appliance and
26-20) When was it first illegal to vent ozone depleting refrigerants from stationary
equipment?
26-21) When were recovery units required to be tested by a third party to prove they
perform to EPA specifications?
26-22) When were technicians required to pass an EPA certification exam to handle
refrigerant?
26-23) When did it become illegal to vent replacement refrigerants?
26-24) How can a technician identify what refrigerants a particular recovery machine is
designed for?
26-25) Determine the weight of a recovery cylinder when safely filled with the following
specifications:
tare weight of 20 pounds