EPA Certification Exam/100 Questions and Answers/100% Verified!!!A grade

Technicians that handle refrigerant during service, maintenance, or repair of small appliances must have: Universal certification Type I Type I or Universal certification - pType I or Universal certification uMVAC or motorized vehicle air conditioning systems fall under the small appliance regulations True False - pFalse UTemperature/pressure chart is used for which of the following: Identify the refrigerant Compressing ability of Refrigerant All the options are correct Specific heat of air - pIdentify the refrigerant uEPA defines a small appliance as a product that is fully manufactured, charged, and hermetically sealed in a factory with ______ or less of refrigerant: ten pounds twenty pounds five pounds fifteen pounds - pFive Pounds uRecovery equipment manufactured before November 15, 1993 must be capable of recovering ______ of the refrigerant: 80% 60% 90% 70% - p80% uAll refrigerant recovery equipment should be checked for _____ on a daily basis: Refrigerant leaks Oil level Both Oil level and Refrigerant leaks - pBoth Oil level and Refrigerant leaks u____ uses its own power to recover the refrigerant from systems: Passive recovery equipment Both Active and Passive recovery equipment Active recovery equipment - pActive recovery equipment uSale of which of the following refrigerants are not limited to technicians: CFC HCFC All the refrigerants are restricted HFC - pHFC uWhich refrigerants can be mixed in recovery cylinder: R410a and R11 R410a, R22 and R11 R410a and R22 Refrigerants should not be mixed - pRefrigerants should not be mixed uA _______captures refrigerant into a non-pressurized container: Active recovery process Both Active or Passive recovery process Passive recovery process - pPassive recovery process uAll appliances must have a service aperture valve for which of the following: Both for recovering and charging refrigerant Charging refrigerants: Recovering refrigerants - pBoth for recovering and charging refrigerant uReferences to the pressure/temperature chart for determining the type of refrigerant are only valid if the _____ is known: Volume of Cylinder Pressure Temperature - pTemperature uSystem-dependent recovery process must use a pressurized container to capture the refrigerant True False - pFalse uFor refrigerators, if the refrigerant is ammonia or sulfur dioxide, the thermodynamic cooling process typically is of which of the following: Heat-driven absorption Vapor compression Both the options are correct - pHeat-Driven Absorption uDo not use vacuum pumps or recovery machines on equipment that contains hydrogen: True False - pTrue uIn which of the following recovery system only a single piercing access valve needs to be installed System-dependent recovery unit Self-contained recovery unit - pSelf-contained recovery unit uWhich of the following test is used to determine the type of refrigerant: ARI 1100 purity test ARI 740 purity test ARI 700 purity test ARI 1000 purity test - pARI 700 Purity Test uHydrogen and water present as components of refrigerants are required to be recovered by EPA regulations: False True - pFalse uA graduated charging cylinder is designed to charge a system accurately with refrigerant: False True - pTrue uNot opening the tank inlet valve or having excess air will cause higher discharge pressures in self-contained recovery device False True - pTrue uChecking for air or non-condensables can be done by checking which of the following