North Carolina Home Inspector Practice Exam

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Prepare for the North Carolina Home Inspector Exam. Use multiple choice questions, hints, and explanations to enhance your study. Get confident and ready for your test!

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What is the purpose of a summer switch in a forced air furnace?

It controls the gas flow
It is for manual activation of the blower
It regulates temperature settings
It operates the ignition system

The correct answer is: It is for manual activation of the blower

The purpose of a summer switch in a forced air furnace is to allow for manual activation of the blower. This feature is particularly useful in the warmer months when cooling systems, such as air conditioning, are being used. By activating the blower independently of the heating system, the user can circulate cool air throughout the home without engaging the furnace's heating elements. This provides comfort while also improving air circulation and filtering, as it allows the blower to run even when the furnace is not heating. The other functions, such as controlling gas flow, regulating temperature settings, or operating the ignition system, are managed by different components of the heating system. The summer switch focuses specifically on the blower's operation, making it a valuable tool for efficient air management during warm weather.