Question 1
Under NAC 624.380, what work does a Nevada C-21E Solar Air-Conditioning license authorize?
Correct Answer:
Installation of collectors, piping, storage, and other equipment that convert solar energy into energy used to control air temperatures
Question 2
Which tubing is the usual choice for a pressurized solar collector loop that can stagnate well above 250°F on a Nevada roof?
Correct Answer:
Type L copper tube
Question 3
Per UPC 2018 Table 313.3, what is the maximum horizontal hanger spacing for 1-inch soldered copper tube on a solar hydronic run?
Correct Answer:
6 feet
Question 4
Why is PEX generally prohibited on the collector side of a closed-loop solar air-conditioning system even though it is listed for some hydronic heating?
Correct Answer:
Collector stagnation and generator-loop temperatures routinely exceed PEX pressure-temperature ratings
Question 5
A copper solar collector supply is connected to a steel storage-tank fitting. What UPC joint practice prevents galvanic corrosion at that connection?
Correct Answer:
A dielectric union or other approved dielectric fitting
Question 1
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About this Exam

Prepare with the NV C-21E Solar Air Conditioning Practice Questions - Nevada C-21E Solar Air Conditioning Contractor Examination Exam practice quiz. This question bank includes 100 questions covering solar, collector, absorption, loop, and air-conditioning. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NV C-21E Solar Air Conditioning Practice Questions - Nevada C-21E Solar Air Conditioning Contractor Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on solar, collector, absorption, loop, and air-conditioning. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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