low loss fittings on refrigerant recovery devices

A: SAFETY GLASSES AND BUTYL-LINED GLOVES ARE SUFFICIENT B: SELF CONTAINED BREATHING APPARATUS OR LEAVING THE AREA IS REQUIRED. Medium-pressure appliance means an appliance that uses a refrigerant with a liquid phase saturation pressure between 45 psia and 170 psia at 104 F. If a reclamation facility receives a tank of mixed refrigerant, they may; refuse to accept the refrigerant or charge extra for processing it. Hydrocarbons are not approved for retrofit applications. A: FLOAT DEVICE B: SCALES C: SIGHT GLASS D: THERMISTOR, AFTER INSTALLING AND OPENING A PIERCING VALVE, IF THE SYSTEM PRESSURE IS ____DO NOT BEGIN THE RECOVERY PROCEDURE? Find the component of a in the direction of b. The refrigerant must be recovered if it is a CFC, HCFC, or HFC. Recovery devices for use with small appliances containing CFCs, HCFCs, and HFCs must meet which of the following requirements? C: VACATE AND VENTILATE THE SPILL AREA D: ALL OF THE ABOVE, REFRIGERANTS IN LARGE QUANTITIES CAN CAUSE SUFFOCATION BECAUSE: A: THEY SMELL STRONG AND MAKE IT HARD TO BREATH B: THEY ARE LIGHTER THAN AIR AND CAUSE DIZZINESS C: THEY ARE HEAVIER THAN AIR AND DISPLACE OXYGEN. A STORAGE CYLINDER OF RECOVERED R-12 AT NORMAL ROOM TEMPERATURE (75*F), IN THE ABSENCE OF NON-CONDENSABLES WILL BE PRESSURIZED TO: A: 30 PSIG B: 75 PSIG C: 150 PSIG D: 200 PSIG, A STORAGE CYLINDER OF RECOVERED R-22 AT NORMAL ROOM TEMPERATURE (75*F), IN THE ABSENCE OF NON-CONDENSABLES WILL BE PRESSURIZED TO: A: 250 PSIG B: 200 PSIG C: 175 PSIG D: 130 PSIG, A STORAGE CYLINDER OF RECOVERED R-500 AT NORMAL ROOM TEMPERATURE (75*F), IN THE ABSENCE OF NON-CONDENSABLES WILL BE PRESSURIZED TO: A: 30 PSIG B: 75 PSIG C: 95 PSIG D: 120 PSIG, WHICH CONDITIONS CAN CAUSE EXCESSIVE PRESSURE CONDITIONS ON THE HIGH SIDE OF A SELF-CONTAINED (ACTIVE) RECOVERY DEVICE? The following state regulations pages link to this page. epa regulations include which of the following in definition of a small appliance: ALL RECOVERY DEVICES MANUFACTURED BEFORE NOVEMBER 15, 1993 FOR USE WITH SMALL APPLIANCES MUST MEET WHICH OF THE FOLLOWING REQUIREMENTS? VEHICLES. Which of the following best describes low loss fittings on refrigerant recovery devices used to recover CFCs, HCFCs, and HFCs? B: MUST USE A PRESSURE RELEASE DEVICE TO PROTECT THE TECH AND THE EQUIPMENT. faqs THE EXCEPTION TO THIS RULE IS: A: SMALL APPLIANCES B: LOW PRESSURE APPLIANCES C: HIGH PRESSURE APPLIANCES D: VERY HIGH PRESSURE APPLIANCES, WHAT IS THE MAXIMUM ALLOWABLE FACTORY CHARGE OF REFRIGERANT FOR A TYPE 1 APPLIANCE: A: 3 POUNDS B: 5 POUNDS C: 10 POUNDS D: 15 POUNDS, WHEN CHECKING FOR NON-CENDENSABLES INSIDE A RECOVERY CYLINDER, WHY SHOULD THE TECH ALLOW THE TEMPERATURE OF THE CYLINDER TO STABILIZE TO ROOM TEMPERATURE BEFORE TAKING A PRESSURE READING? rothenberger refrigerant rorec refrigeration skroutz 110v recup recyclage terazi dijital iosifidis centrale A: 2 VALVES, ONE ON THE HIGH SIDE AND ONE ON THE LOW SIDE. Examples include but are not limited to appliances using R-114, R-124, R-12, R-134a, and R-500. Answers: 0.0704 lbm/s, 0.133 ft^2. A: AMMONIA B: HYDROGEN C: WATER D: NON OF THE ABOVE, WHICH OF THE FOLLOWING REFRIGERANTS IS MOST COMMONLY USED AS A REPLACEMENT FOR R-12 IN NEW HOUSEHOLD REFRIGERATORS? Recover means to remove refrigerant in any condition from an appliance and to store it in an external container without necessarily testing or processing it in any way. Which hydrocarbon refrigerant is approved for retrofit into existing household refrigerators? C: RECOVER REFRIGERANT AND RECHARGE, EVEN IF NO REPAIRS ARE NEEDED. Seasonal variance means the removal of refrigerant from an appliance due to a change in ambient conditions caused by a change in season, followed by the subsequent addition of an amount that is less than or equal to the amount of refrigerant removed in the prior change in season, where both the removal and addition of refrigerant occurs within one consecutive 12-month period. Multiply the number calculated in Step 3 by 100 to calculate a percentage. (i) Step 1. The combined efficiency of the fan-motor unit to be used can be taken to be 50 percent. A: USE BUTYL-LINED GLOVES AND TRY TO STOP THE LEAK B: USE A LEAK DETECTOR TO LOCATE AND TRY TO STOP THE LEAK. Recycle, when referring to refrigerant, means to extract refrigerant from an appliance (except MVACs) and clean it for reuse in equipment of the same owner without meeting all of the requirements for reclamation. piercing pliers conditioning refrigeration circuit air service What must be done to the refrigerant that is vented off the top when filling a charging cylinder? FOR SMALL APPLIANCES, THIS SERVICE PORT USUALLY IS: A: A STRAIGHT PIECE OF TUBBING THAT IS ENTERED USING A PIERCING VALVET, TECHS RECEIVING A PASSING GRADE ON THIS SMALL APPLIANCE EXAM ARE CERTIFIED TO RECOVER REFRIGERANT DURING THE MAINTENANCE, SERVICE OR REPAIR OF: A: PACKAGED TERMINAL AC'S (PTAC) WITH 5 LBS OR LESS OF REFRIGERANT. Full charge means the amount of refrigerant required for normal operating characteristics and conditions of the appliance as determined by using one or a combination of the following four methods: (1) Use of the equipment manufacturer's determination of the full charge; (2) Use of appropriate calculations based on component sizes, density of refrigerant, volume of piping, and other relevant considerations; (3) Use of actual measurements of the amount of refrigerant added to or evacuated from the appliance, including for seasonal variances; and/or. This definition is not intended to cover appliances using R-22 refrigerant. As used in this subpart, the term exempt substitutes refers to certain substitutes when used in certain end-uses that are specified in 82.154(a)(1) as exempt from the venting prohibition and the requirements of this subpart, and the term non-exempt substitutes refers to all other substitutes and end-uses not so specified in 82.154(a)(1). hose refrigerant valve ball charging psi fighting inch fire When using nitrogen in repairing a sealed refrigeration system, what should the nitrogen tank always be equipped with? Major maintenance, service, or repair means any maintenance, service, or repair that involves the removal of any or all of the following appliance components: compressor, condenser, evaporator, or auxiliary heat exchange coil; or any maintenance, service, or repair that involves uncovering an opening of more than four (4) square inches of flow area for more than 15 minutes. Motor vehicle air conditioner (MVAC) means any appliance that is a motor vehicle air conditioner as defined in 40 CFR part 82, subpart B. MVAC-like appliance means a mechanical vapor compression, open-drive compressor appliance with a full charge of 20 pounds or less of refrigerant used to cool the driver's or passenger's compartment of off-road vehicles or equipment. A: WEIGHT OF EACH CYLINDER B: TOTAL CUBIC FEET OF EACH GAS C: NUMBER OF CYLINDERS OF EACH GAS D: TOTAL WEIGHT OF ALL CYLINDERS, IF A LARGE LEAK OF REFRIGERANT OCCURS SUCH AS FROM A FILLED CYLINDER IN AN ENCLOSED AREA, WHAT ACTION SHOULD BE TAKEN WHEN NO SELF-CONTAINED BREATHING APPARATUS IS AVAILABLE? (5) The recycling of any appliance for scrap. C: CAPTURES REFRIGERANT IN A NON-PRESSURIZED CONTAINER D: CAN ONLY BE PERFORMED ON A SYSTEM WITH AN OPERATING COMPRESSOR, WHEN FILLING A GRADUATED CHARGING CYLINDER, REFRIGERANT THAT IS VENTED OFF THE TOP OF THE CYLINDER: A: NEED NOT BE RECOVERED B: MUST BE RECOVERED C: IS CONSIDERED A DE MINUS RELEASE D: NONE OF THE ABOVE. r410 Comfort cooling appliances include but are not limited to chillers, commercial split systems, and packaged roof-top units. B: MUST USE A PRESSURE RELIEF DEVICE WHEN RECOVERING REFRIGERANT. Retrofit means to convert an appliance from one refrigerant to another refrigerant. Commercial refrigeration means the refrigeration appliances used in the retail food and cold storage warehouse sectors. System-dependent recovery equipment means refrigerant recovery equipment that requires the assistance of components contained in an appliance to remove the refrigerant from the appliance. ALL APPLIANCES MUST BE EQUIPPED WITH A SERVICE APERTURE OR OTHER DEVICE WHICH IS USED WHEN ADDING OR REMOVING REFRIGERANT FROM THE APPLIANCE. This includes, but is not limited to, the air-conditioning equipment found on agricultural or construction vehicles. This method is summarized in the following formula: Low-loss fitting means any device that is intended to establish a connection between hoses, appliances, or recovery and/or recycling machines and that is designed to close automatically or to be closed manually when disconnected, minimizing the release of refrigerant from hoses, appliances, and recovery and/or recycling machines. Approved equipment testing organization means any organization which has applied for and received approval from the Administrator pursuant to 82.160. pump pressure heat air refrigerant adding testing vacuum sanyo install source diy test ecorenovator system WHEN SERVICING A SMALL APPLIANCE FOR LEAK REPAIR: REFRIGERANT RECOVERY DEVICES MUST BE EQUIPPED WITH LOW LOSS FITTINGS, WHICH ARE FITTINGS THAT: A: ARE USED TO CONNECT THE RECOVERY DEVICE TO AN APPLIANCE AND WHICH CAN BE CLOSED MANUALLY OR AUTOMATICALLY WHEN DISCONNECTED TO PREVENT LOSS OF REFRIGERANT. manifold tool hvac hose loss low r410a r22 epa applied r134a gauge does Refrigerant circuit means the parts of an appliance that are normally connected to each other (or are separated only by internal valves) and are designed to contain refrigerant. WHEN RECOVERING REFRIGERANT INTO A NON PRESSURIZED CONTAINER FROM A REFRIGERATOR WITH AN INOPERATIVE COMPRESSOR: A: IT IS NECESSARY TO HEAT AND STRIKE THE COMPRESSOR WITHA RUBBER MALLET B: IT IS ONLY NECESSARY TO RECOVER AS MUCH REFRIGERANT AS WILL NATURALLY FLOW OUT OF THE SYSTEM. D: RESTRICTED TO TECHS WHO ARE EPA CERTIFIED IN REFRIGERANT RECOVERY. 2003-2022 Chegg Inc. All rights reserved. Technician means any person who in the course of maintenance, service, or repair of an appliance (except MVACs) could be reasonably expected to violate the integrity of the refrigerant circuit and therefore release refrigerants into the environment. Make a sketch. Retire, when referring to an appliance, means the removal of the refrigerant and the disassembly or impairment of the refrigerant circuit such that the appliance as a whole is rendered unusable by any person in the future. One or more computer hard drives configured to store commercial spots and programs segments is referred to as a: when the sensing bulb of a thermostatic expansion valve is charged with a fluid different from the charge used in the system, what name of the charge is associated with the power element? USING THE SYSTEM-DEPENDENT (PASSIVE) RECOVERY PROCESS, WHICH CONDITION REQUIRES THE ACCESSING BOTH THE HIGH AND LOW SIDE OF THE SYSTEM FOR RECOVERY? recovery refrigerant tool code order In general, recycled refrigerant is cleaned using oil separation and single or multiple passes through devices, such as replaceable core filter-driers, which reduce moisture, acidity, and particulate matter. The system dependent (passive) recovery process. Long cylindrical steel rods ($\rho$ = 7833 kg/m^3 and $c_{p}$ = 0.465 kJ/kgK) of 10-cm diameter are heat treated by drawing them at a velocity of 3 m/min through a 7-m-long oven maintained at 900$^\circ{}$C. (4) Use of an established range based on the best available data regarding the normal operating characteristics and conditions for the appliance, where the midpoint of the range will serve as the full charge. D: BE USED ALONE AS A SYSTEM DEPENDENT (PASSIVE) RECOVERY DEVICE, IN ORDER TO AVOID REMOVAL OF LIQUID WHEN DRAWING VAPOR FROM A SEAL REFRIGERATION SYSTEM USING A SELF CONTAINED (ACTIVE) RECOVERY DEVICE THAT CANNOT HANDLE LIQUID REFRIGERANT, YOU SHOULD DRAW VAPOR FROM THE: A: CAPILLARY TUBE B: LOW SIDE C: HIGH SIDE. Reclaim means to reprocess recovered refrigerant to all of the specifications in appendix A of this subpart (based on AHRI Standard 700-2016, Specifications for Refrigerants) that are applicable to that refrigerant and to verify that the refrigerant meets these specifications using the analytical methodology prescribed in section 5 of appendix A of this subpart.

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