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EPA 608 Certification Exam Questions $18.26   Add to cart

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EPA 608 Certification Exam Questions

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The document is a comprehensive study guide for refrigeration and air conditioning systems, particularly focusing on EPA regulations, refrigerant types, and system maintenance procedures. It includes 100 questions and answers covering a wide range of topics, such as refrigerant properties, recovery...

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  • August 9, 2024
  • 24
  • 2024/2025
  • Exam (elaborations)
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Refrigeration and Air Conditioning System Study Guide




1. Low Charge Indicator in High Pressure Systems with Capillary Tube:



- Answer: Excessive superheat




2. Approved Refrigerant for New Household Appliances:



- Answer: R-600a




3. EPA SNAP Approved "Drop-In" Replacement for R-22:



- Answer: There are no direct drop-in refrigerant substitutes




4. Component that Reduces Flammability in HFO Refrigerants:

,- Answer: Fluorine




5. Process Returning Refrigerant to New Specifications (AHRI-700 Standards):



- Answer: Reclaiming




6. Method to Speed Up Recovery:



- Answer:Cooling the recovery tank




7. Leak Repair and Verification Time for Comfort-Cooling Appliance (60 lbs of Refrigerant):



- Answer: 30 days




8. Cause of Overheating in Hermetic Compressors in a Vacuum:



- Answer: Compressor motor uses the flow of refrigerant for cooling

, 9. Use of Hydrostatic Tube Test Kit:



- Answer: To find leaks in the tube




10. Maximum Test Pressure for Leak Testing Low Pressure Centrifugal Chiller:



- Answer: 10 psig




11. Passive System-Dependent Recovery Device for Small Appliances:



- Answer:Uses a non-pressurized container




12. Definition of a Process Stub:



- Answer: Straight piece of tubing accessed using a piercing access valve

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