EPA 608 NEC 2023

EPA 608 Type 1 Exam Practice Test 5

Take a Free Practice Test-5 EPA Certification Type 1 Exam

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The EPA 608 certification is required by law for any technician who purchases or handles refrigerants. It covers safe handling, leak detection, recovery, and environmental regulations.

Type I covers small appliances (≤5 lbs refrigerant), Type II covers high-pressure systems, Type III covers low-pressure systems, and Universal covers all three. Most HVAC technicians pursue Universal certification.

You must score at least 70% on each section of the exam. The Universal exam has four parts: core, Type I, Type II, and Type III.

How to Use This Practice Test

This EPA 608 Type 1 Exam Practice Test 5 has 10 questions with detailed answers and NEC references. Take the full test, review every wrong answer, and look up the NEC article it references before moving on.

Tip: The EPA 608 exam is NOT open book — memorize refrigerant ODP/GWP values and recovery rules before the exam.

  • Topics covered: Refrigerant regulations, recovery procedures, leak detection, and refrigerant properties.
  • Passing score: 70% required on each section. Universal certification requires passing all four sections.
  • Questions: 10 multiple-choice, one correct answer each
10
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15 min
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70%
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EPA 608 Type 1 Exam Practice Test 5
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EPA 608 Type 1 Exam Practice Test 5 — Question List

Question 1: System dependent devices may be used for the appliances containing …………. of refrigerant.

  • 20 lb
  • 15 lb
  • 25 lb
  • 30 lb

Question 2: A system dependent recovery machine for small appliances requires the assistance of the following to complete the process.

  • Vacuum pump
  • External heat pump
  • System compressor
  • All the options are correct

Question 3: On daily basis all the recovery machines should be checked for ………………

  • Oil level
  • Refrigerant leaks
  • Oil level and refrigerant leaks
  • Excess non condensables

Question 4: The presence of non condensables in recovery tank causes

  • Higher discharge pressures
  • Lower discharge pressures
  • Higher suction pressures
  • Lower suction pressures

Question 5: Self contained recovery equipment stores the recovered refrigerant in ………………….

  • Non pressurized recovery tank
  • Pressurized recovery tank

Question 6: ………………….must be known before recovering the refrigerant from the system.

  • Refrigerant pressure
  • Refrigerant type
  • Refrigerant flow
  • Oil contamination

Question 7: To minimize the refrigerant loss during connection and disconnection of hoses all equipment must be fitted with …………..

  • Tight fittings
  • Low loss fittings
  • Zero loss fittings
  • Glass type fittings

Question 8: What is the vacuum level that a recovery equipment must achieve under the conditions of ARI 740?

  • 4 inch
  • 2 inch
  • 6 inch
  • 8 inch

Question 9: Recovery equipment must be able to remove …………….. of refrigerant from a system with  non operating compressor.

  • 80 %
  • 90 %
  • 75 %
  • 85 %

Question 10: The persons handling, doing maintenance, service or repair of small appliances must be certified as ……………

  • Type I technician
  • Type II technician
  • Either Type II technician or universal technician
  • Either Type I technician or universal technician
Study Tip: The EPA 608 exam is closed book. Memorize: recovery is required before opening any refrigerant system. Venting refrigerant is illegal. Know the ODP and GWP values for R-22, R-410A, R-134a, R-32, and R-454B.
EXAM CARD EPA 608
Questions10
Time limit15 min
Pass score70%
Code editionNEC 2023
DifficultyIntermediate
Last reviewedJun 2026

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Source: EPA Section 608 (40 CFR Part 82)