Arizona C-58 Evaporative Cooling & Ventilating EXAM
QUESTIONS AND CORRECT VERIFIED SOLUTIONS LATEST
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Arizona C-58 Evaporative Cooling & Ventilating Exam – 250 MCQ Questions with Answers and
Rationales
Exam Coverage Overview (10 Key Points)
1. Exam Structure & Licensing – 60 questions, 150 minutes, 70% passing score, open-book
format administered by PSI with 4 permitted references (IFGC, IMC, IPC, OSHA 1926) .
2. Warm Air Heating Systems – Furnace types, combustion principles, gas-fired equipment,
heat exchangers, and AFUE ratings .
3. Ventilation Requirements – IMC ventilation rates, exhaust fan CFM requirements, fresh
air intake placement, and backdraft damper requirements .
4. Evaporative Cooling – Direct/indirect evaporative coolers, pad maintenance, water
distribution, and Arizona-specific cooling applications .
5. Controls & Motors – Thermostat wiring, contactors, relays, transformers, VFDs, and
pneumatic controls .
6. Sizing & Estimating – Manual J load calculations, Manual D duct sizing, available static
pressure (ASP), and equipment selection .
7. Piping & Tubing – Gas pipe sizing (IFGC), CSST protection, soldering techniques,
condensate drainage, and water piping .
8. Ducts & Insulation – Duct materials, insulation R-values, duct leakage, airflow balancing,
and dampers .
9. Inspections & Testing – Static pressure testing, airflow measurement, combustion
testing, and system commissioning .
10. OSHA Safety – 29 CFR 1926 requirements, ladder safety (4:1 rule), confined space PPE,
LOTO, and arc flash protection .
1. What is the total number of questions on the Arizona C-58 Evaporative Cooling and
Ventilating Contractor examination administered by PSI?
A) 30 questions
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B) 50 questions
C) 60 questions
D) 100 questions
Correct Answer: C
Rationale: The C-58 trade examination consists of 60 questions covering topics such as Warm
Air Heating, Ventilation, Controls and Motors, Sizing and Estimating, Piping and Tubing, Ducts
and Insulation, Evaporative Cooling, and Inspections and Testing .
2. What is the time limit allowed to complete the Arizona C-58 HVAC contractor examination?
A) 60 minutes
B) 90 minutes
C) 120 minutes
D) 150 minutes
Correct Answer: D
Rationale: Candidates have 150 minutes (2.5 hours) to complete the 60-question C-58 exam.
This allows approximately 2.5 minutes per question, providing adequate time to reference the
permitted code books .
3. What is the minimum passing score required for the Arizona C-58 contractor examination?
A) 60%
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B) 65%
C) 70%
D) 75%
Correct Answer: C
Rationale: A score of 70% is required to pass the C-58 exam. Candidates must correctly answer
at least 42 of the 60 questions to achieve a passing score .
4. Which of the following is a permitted reference book that may be brought into the C-58
examination center?
A) ACCA Manual D
B) ACCA Manual J
C) 2018 International Mechanical Code
D) Modern Refrigeration and Air Conditioning
Correct Answer: C
Rationale: The 2018 International Mechanical Code (IMC) is one of the four permitted
references allowed in the exam center. The other permitted references are the 2018
International Fuel Gas Code, 2018 International Plumbing Code, and OSHA 29 CFR 1926.
Manuals D and J, and Modern Refrigeration are NOT permitted .
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5. The fee to take one portion of the C-58 trade examination is:
A) $50
B) $66
C) $116
D) $150
Correct Answer: B
Rationale: The fee for the exam is $66 when taking one portion (the trade exam). If taking both
the business management and trade portions, the total fee is $116 .
6. Which agency is responsible for administering the Arizona C-58 contractor examination?
A) Arizona Registrar of Contractors (ROC)
B) PSI
C) OSHA
D) Arizona Department of Environmental Quality
Correct Answer: B
Rationale: The C-58 exam is administered by PSI, a testing vendor contracted by the state.
Candidates can schedule their examination through psiexams.com or by calling 855-744-0310 .
7. The scope of work for a C-58 contractor includes all of the following EXCEPT:
A) Warm air heating systems