SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam - SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

Question 1

According to the 2021 IMC, each length of pipe and tubing used in a mechanical system must:

Bear the identification of the manufacturer Be Type M copper regardless of the fluid Have a pressure rating of at least 600 psig Be painted the same color as the equipment it serves

Correct Answer:

Bear the identification of the manufacturer

Question 2

When brazing ACR copper refrigerant tubing, dry nitrogen should be purged through the tube primarily to:

Prevent internal copper-oxide scale that later circulates as debris Convert remaining mineral oil into POE oil Pressure-test the finished joint at 600 psig Raise the brazing temperature so the filler metal flows faster

Correct Answer:

Prevent internal copper-oxide scale that later circulates as debris

Question 3

Soft-drawn ACR copper tubing joined with a 45-degree flare fitting is generally limited to which field use?

Factory-charged line-set and equipment connections where the fitting is listed for the refrigerant and pressure Concealed joints inside a fire-rated shaft serving Group A2L refrigerant Any joint on R-410A as a substitute for brazing Underground refrigerant piping without a protective sleeve

Correct Answer:

Factory-charged line-set and equipment connections where the fitting is listed for the refrigerant and pressure

Question 4

A 2021 IMC refrigerant pipe that penetrates two or more floor/ceiling assemblies generally must be:

Installed in a fire-resistance-rated shaft, unless an IMC 1109 exception applies Wrapped with ordinary duct wrap in lieu of a shaft Left uninsulated so leaks are easy to see Run in PVC conduit with solvent-welded joints

Correct Answer:

Installed in a fire-resistance-rated shaft, unless an IMC 1109 exception applies

Question 5

Under the South Carolina Air Conditioning contractor classification, which of the following is outside the licensed scope?

Installing a rooftop DX air-conditioning unit that also provides electric heat Replacing a split-system condensing unit and evaporator coil Installing a hot-water or steam boiler heating system Altering the refrigerant piping on an environmental cooling system

Correct Answer:

Installing a hot-water or steam boiler heating system

Exam overview

About this Exam

Prepare with the SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam practice quiz. This question bank includes 100 questions covering refrigerant, cooling, load, room, and typically. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on refrigerant, cooling, load, room, and typically. 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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About this Exam

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SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

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