HVAC EPA Type I Practice Test

These questions are part of the practice quiz. Start practicing

• A small appliance is defined in EPA rules as having which characteristic?
• What basic safety steps should you take before servicing a Type I appliance?
• EPA regulations require the capture of at least 80% of the refrigerant from a small appliance with a non-operating compressor when the technician is using:
• Which statement describes the EPA's small appliance definition?
• What must be absent for the 300 psig reading?
• After the refrigerant has been recovered, which of the following can be used to flush the system?
• On a system with an operating compressor, recovery equipment must be capable of recovering
• To achieve the 300 psig reading for a half-full R-410A cylinder at 90°F, which condition must be present?
• If regulations change after a technician becomes certified, who must comply with the new rules?
• On a small appliance with an operating compressor that has a completely plugged capillary tube, what is the minimum number of access valves that are needed to evacuate the refrigerant?
• Self-contained or active recovery equipment
• Which connections on a manifold gauge set are used for Type I charging and recovery?
• A refrigerant that can be used as a direct service 'drop-in' substitute for R-22 in a small appliance is:
• System-dependent recovery methods may only be used on appliances containing how much refrigerant?
• A Very-High-Pressure appliance is one that uses a refrigerant with a liquid phase saturation pressure above 355 psia at 104F. This definition includes but is not limited to appliances using which of the refrigerants listed below:
• Technician certification required for sealed-system service on small appliances?
• In general, how does increasing temperature affect the pressure of a fixed amount of refrigerant vapor in a sealed cylinder?
• Why is mixing refrigerants dangerous?
• Which are signs that recovered refrigerant might be contaminated?
• What is the EPA-defined maximum refrigerant charge for a small appliance?
• After recovering refrigerant, which action is compliant with typical EPA Type I practices?
• Which statement about reclamation refrigerant is true?
• A recovery cylinder which is half full of recovered R-500 at normal room temperature (about 75F), in the absence of non-condensables, will be pressurized to:
• What does ARI 740-1993 establish in relation to refrigerant recovery for small appliances?
• Which statement about Type I charging methods is true?
• The EPA regulation that requires a self-contained recovery machine at the place of business has an exception for which group?
• When you connect your service manifold to check system pressures, which practice should you follow to minimize releases?
• ARI 740-1993 relates to which aspect of refrigerant recovery?
• Which of the following statements correctly describes responsibility when EPA regulations change after certification?
• What is ARI 700?
• What performance standard must modern recovery devices meet when recovering refrigerant from small appliances?
• Which HC refrigerant is allowed for use in NEW Domestic Small Appliances?
• The threshold liquid phase saturation pressure that defines Very-High-Pressure appliances is above what value at 104F?
• The Very-High-Pressure appliance category includes appliances using which of the following refrigerants?
• When recovering refrigerant from a frost-free refrigerator, what step should be taken to handle possible trapped liquid?
• What is the recommended process if unknown refrigerant is encountered during retrofit?
• A recovery cylinder which is half full of recovered R-12 at normal room temperature (about 75F), in the absence of non-condensables, will be pressurized to:
• If you suspect refrigerant contamination, what should you do?
• During charging cylinder filling with regulated refrigerant, the vapor vented from the top of the cylinder should be recovered.
• When a system is in deep vacuum, what should you do?
• The sale of CFC and HCFC refrigerants is restricted to technicians who are what?
• Portable refillable tanks used to ship recovered refrigerants must meet which standard?
• Which refrigerant is mentioned as being in a recovered cylinder?
• What is the main purpose of Type I practice tests?
• How should recovered refrigerant cylinders be labeled and stored?
• After installing and opening a piercing access valve, if the system pressure is _____ do not begin the recovery procedure.
• Noncondensable gases inside a recovery cylinder are defined as gases that do what under ambient conditions?
• After recovering refrigerant, what must you do with the recovered material?
• When pressurizing a system with nitrogen you should
• Why is cross-contamination between refrigerants in storage a concern?
• Which statement correctly describes the environmental protection goal of Type I refrigerant handling?
• System-dependent or passive recovery equipment captures refrigerant into what kind of container?
• If after installing a fitting for recovering the appliance refrigerant you find that the system pressure is 0 psig, what is required?
• Which statement best describes the scope of EPA's 608 Type I certification?
• To avoid drawing liquid refrigerant into a self-contained (active) recovery device that cannot handle liquid, from which side of the system should vapor be drawn?
• What is the proper sequence when handling unknown refrigerants in the field?
• Which of the following is true about non-condensables?
• True or false: Non-condensables in a recovery cylinder can cause the pressure to be higher than expected at a given temperature.
• When R-500 is recovered from an appliance, which statement is correct?
• How does moisture affect a refrigerant system?
• A small appliance is defined by EPA as
• How does recycling differ from reclamation?
• If a Schrader valve core is damaged, what is the recommended action?
• A recovery cylinder that is half full of recovered R-22 at about 75 °F, in the absence of non-condensables, will be pressurized to approximately how many psi?
• Which hazard class designation is used for non-flammable gases?
• What can a pressure reading along with a temperature reading indicate in a refrigerant recovery cylinder?
• Which of the following should be recovered with current EPA-approved recovery devices?
• A passive system-dependent recovery device for small appliances is designed to capture refrigerant in what type of container?
• Which statement best describes service on domestic refrigerators with refrigeration systems?
• In the event of a large release of R-12 or R-22 in a contained area, which safety measure is required?
• Anyone who recovers refrigeration during maintenance, service or repair of small appliances must be certified as either a Universal Tech or a:
• Technicians with a Type I small appliance certification are certified to recover refrigerant during the maintenance, service or repair of:
• The EPA definition of a small appliance includes which of the following?
• Which statement describes recovery unit flexibility with respect to achieving 80% capture?
• Why is a technician required to be EPA 608 certified to service small appliances?
• When should a filter-drier be replaced?
• What is the purpose of pulling a vacuum after evacuating a system?
• Who must hold EPA 608 certification to service small appliances?
• What certification is required to legally work on refrigerants in the U.S.?
• Recovery equipment used for the service or repair of small appliances must be certified by an EPA-approved laboratory if the equipment was manufactured after which date?
• Equipment manufactured after November 15, 1993 used to recover refrigerant from small appliances prior to disposal must meet which recovery percentage requirements?
• Which two readings are used to assess whether non-condensables are present in a recovery cylinder?
• If a unit leaks and the repair cannot be completed immediately, what should be done with the refrigerant?
• A passive recovery device for small appliances captures refrigerant in what kind of container?
• After servicing, what method is commonly used to verify there are no leaks after charging?
• If R-12 or R-22 are exposed to high temperatures, what can they decompose to form?
• Recovery equipment for small appliances must be certified if manufactured after which date?
• If nitrogen is used to pressurize or blow debris out of a system, what is allowed regarding the nitrogen?
• Type I Certification is required for;
• Which of the following refrigerants is allowed in NEW Domestic Small Appliances?
• Which of the following is an example of a non-condensable?
• When servicing equipment containing regulated refrigerants, you should use what kind of recovery devices?
• Who is legally allowed to purchase refrigerant according to EPA rule references?
• What is the best practice when dealing with unknown refrigerants in the field?
• If the refrigerant type cannot be identified, how should it be treated?
• Which statement best reflects EPA's rule on self-contained recovery equipment?
• How should unknown refrigerant be addressed in a retrofit or service project?
• What type of leak detector is acceptable for Type I systems?
• If a system is purged or debris is blown from a system using nitrogen, which form of nitrogen is recommended?
• Exposure of R-12 or R-22 to high heat can produce acids. Which acids are formed?
• Which action is required by the EPA during service to handle refrigerants?
• When using a passive system-dependent recovery process, you should access both the high and low side of the system for the refrigerant recovery if _____________.
• Which of the following are part of the EPA's recommended safe work practices?
• Small appliances in recreational vehicles may use refrigerants such as Ammonia, Hydrogen, and water. These refrigerants
• Withdrawal of vapor from the high side is preferred because it prevents entering the recovery device of what?
• Which statement is true about handling refrigerants today in Type I service?
• What is the purpose of ARI 740-1993 in refrigerant recovery?
• To what vacuum level should you evacuate a Type I system before charging?
• When using a passive system-dependent recovery method on an appliance with an operating compressor, what action should be taken?
• Recovery equipment must be
• Hazard class 2.2 is associated with which type of materials?
• When using a system-dependent recovery system on an appliance that has a non-operating compressor, the technician should
• What is the significance of color-coding refrigerant cylinders?
• Which statement best describes the effect of a dirty or degraded filter-drier?
• When using nitrogen, the nitrogen tank should be equipped with a regulator
• The service aperture or other device used when adding or removing refrigerant from an appliance is typically accessed through what component on small appliances?
• Which statement correctly describes the refrigerant charge limit for a small appliance?
• With a non-operating system compressor, recovery equipment must be capable of recovering
• How does the EPA define a 'small appliance' for Type I?
• What is the typical outcome if you overcharge a small Type I appliance?
• When using nitrogen, the nitrogen tank should always be equipped with a:
• If a pungent odor is detected during system recovery and/or repair, which of the following is most likely?
• A strong odor during refrigerant recovery indicates what?
• When servicing a small appliance with a leak, which statement best describes the repair requirement?
• Which of the following is not a Type I appliance?
• What is the typical lubricant in R-22 systems, and what is common for R-134a systems?
• Which statement about venting refrigerant is correct?
• During maintenance, what certifications are commonly recognized for refrigerant recovery?
• Applying heat, with a heat gun, to the compressor
• What is the purpose of service ports on refrigerant lines?
• What are the three paths for handling recovered refrigerant?
• How should you handle R-12 or R-22 in Type I service today?
• Which statement correctly describes the EPA's stance on leaks from Type 1 equipment?
• A refrigerant that can be used as a direct service 'drop-in' substitute for R-22 in a small appliance is:
• What is the correct sequence when repairing a leak and recharging a Type I system?
• According to the EPA, which recovery equipment maintenance practice should be performed on a regular basis?
• Type I Certification is required for individuals handling refrigerant during maintenance, service, or repair of small appliances.
• What should you do if the refrigerant type on a unit's label is missing or unreadable?
• Which entity governs the standard for reclaimed refrigerants purity used in recovery and reclamation processes?
• Which statement best describes the obligation when environmental regulations are amended after certification?
• ARI 700 is the standard for what?
• What type of documentation is typically required when handling refrigerants?
• When using equipment that has Schrader valves, which statements are considered critical?
• Which condition can contribute to excessive high-side pressure in a self-contained recovery device?
• When transporting refrigerants, DOT 49 CFR requires which information to be recorded on shipping papers for hazard class 2.2?
• When recovering refrigerant into a non-pressurized container from a refrigerator with an improper compressor, what is described as necessary?
• Why must R-500 be recovered into its own clearly marked vessel?
• The sale of refrigerant is restricted to which group?
• When purging or blowing debris from a system, which form of nitrogen should be used?
• What is a reason to perform post-charge leak checks?
• What should you do with refrigerant cylinders after use?
• Why should recovered cylinders be stored upright?
• What is a common consequence of failing to replace a dirty or degraded filter-drier?
• What is subcooling in the context of Type I charging?
• Which statement is true regarding refrigerant leaks on small appliances?
• Which refrigerant is most commonly used as a replacement for R-12 in new household refrigerators?
• Which statement about mixing refrigerants is correct?
• When using a graduated charging cylinder, what must be done with any refrigerant vented from the cylinder?
• A standard vacuum pump designed for evacuation and dehydration can never be used as a recovery device in combination with a pressurized container.
• For small appliances, the service port typically is:
• What refrigerant is described in the scenario?
• For hazard class 2.2 shipments, what information must appear on shipping papers?
• Where should recovered refrigerant cylinders be returned after use?
• Which oil is commonly used with R-134a in Type I appliances?
• Which practice helps prevent cross-contamination when storing refrigerants?
• Which statement about recycling is true?
• When filling a charging cylinder with a regulated refrigerant, what must be recovered?
• Why is the system nameplate important during service?
• Which equipment falls under EPA Type I?
• Which component is used as the installation location for a piercing-type access valve on a small appliance?
• If you install an access fitting onto a sealed refrigerant system, what procedure should be performed before starting recovery?
• Why is it important to allow the temperature of the refrigerant to stabilize at room temperature before taking a pressure reading when checking for noncondensable gases inside a recovery cylinder?
• When using a system-dependent recovery system on an appliance with a non-operating compressor, where should access fittings be placed?
• Which statement about recovery equipment certification is true?
• What is the maximum allowable factory charge or refrigerant for Type I appliances?
• Under EPA Section 608, which refrigerant must be recovered with equipment currently regulated by the certification requirements?
• What should you check after recharging for leaks and proper operation?
• Which option best defines the term superheat as used in Type I charging?
• In a frost-free refrigerator, the defrost heater is used to vaporize trapped liquid so that the refrigerant is in which state for recovery?
• Recovering multiple refrigerants in the same cylinder has what effect on the reclaimed material?
• A standard vacuum pump designed specifically for evacuation and dehydration can be used as a recovery device only when it is used with what kind of container?
• Technicians who perform sealed-system service on small appliances must have
• Which action should be avoided when dealing with contaminated refrigerant?
• What is the purpose of evacuating a Type I system after repairing a leak?
• If a large leak of refrigerant occurs in an enclosed area and no self-contained breathing apparatus is available, then the technician should:
• Which of the following describes proper labeling for recovered refrigerant cylinders?
• What is the EPA rule regarding venting during service?
• For which appliance would it be permissible to use a passive recovery device for refrigerant recovery?
• Low loss fittings are used to connect the recovery device to an appliance and are designed to do what when disconnected?
• What are the three main refrigerant-handling categories, and which one does Type I primarily use?
• What practice minimizes refrigerant release when connecting service lines?
• Piercing-type valves should only be used on which tubing materials?
• What is the primary charging method for Type I appliances when allowed by the manufacturer?
• Small appliances are equipped with a straight piece of tubing (process stub) that is used
• Are you allowed to vent refrigerant to the atmosphere after service?
• If a recovery tank contains a mixture of refrigerants, what action might a reclamation processing plant take?
• System-dependent or passive recovery equipment is characterized by what behavior?
• What happens if multiple refrigerants are recovered in a single cylinder?
• Non-condensables in a refrigerant cylinder are best described as which?
• A standard vacuum pump designed for evacuation and dehydration can be used as a recovery device only when used with what configuration?
• If a strong odor is detected during refrigerant recovery, what is the likely condition?
• Which refrigerant handling practice helps protect the environment during service?
• When recovering refrigerant from a household refrigerator whose compressor does not run, it is recommended that low and high side access valves be installed because _____________:
• How often must the EPA Section 608 certification be renewed?
• Installing low and high side access valves on a non-operating refrigerator is recommended because it can:
• Which of the following indicates a potential problem after recharging a Type I system?
• A refrigerant that can be used as a direct service 'drop-in' substitute for R-12 in a small appliance is:
• Define superheat in the context of Type I charging.
• What is the maximum refrigerant charge for appliances covered by EPA Type I certification?
• When using ______, it is essential to take extra measures (such as heating/striking), to help release trapped refrigerant from the compressor oil.
• At high temperatures, R-12 and R-22 can decompose to form which gas?
• Why should solderless piercing valves not remain installed on refrigerant systems after repairs?
• Large spills of refrigerants can cause suffocation because:
• Which refrigerants are associated with ozone depletion and commonly found in Type I equipment?
• What micron level is typically targeted during a vacuum for a Type I service?
• What unit is used to measure vacuum level in Type I service?
• Recovery devices that were manufactured before November 15, 1993 and are used for recovery of refrigerant from small appliances must be capable of:
• A recovery cylinder half full of recovered R-410A at 90°F, in the absence of non-condensables, will be pressurized to approximately how many psig?
• What equipment is required to remove refrigerant from Type I appliances?
• Prior to shipping any used refrigerant it is necessary to:
• Before beginning a refrigerant recovery procedure, what is ALWAYS necessary to determine?
• When using a system-dependent recovery system on an appliance with an operating compressor, the technician should
• Which of the following best describes the 300 psig reading scenario?
• Applying heat to the compressor during recovery
• Why is mixing refrigerants generally avoided?