Residential HVAC Installation Practice Exam

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Prepare for your Residential HVAC Installation Exam with engaging quizzes and multiple-choice questions. Each question includes hints and insightful explanations to ensure you're ready for the test!

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Which statement about altering the length of a line set in a split air-conditioning system is true?

  1. A. It always requires professional intervention

  2. B. It never affects performance

  3. C. It may require adjustments to the refrigerant charge

  4. D. It only affects the indoor unit

The correct answer is: C. It may require adjustments to the refrigerant charge

Adjusting the length of a line set in a split air-conditioning system can affect the refrigerant charge, and may lead to performance issues if not done properly. While it is recommended to have professional assistance, it is possible for individuals to make the adjustments themselves with proper knowledge and tools. Option A is incorrect as professional intervention is not always required. Option B is incorrect as altering the length can have an impact on performance. Option D is incorrect as both the indoor and outdoor unit can be affected by changes in line length.

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