Residential HVAC Installation Practice Exam

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Prepare for your Residential HVAC Installation test with our engaging quizzes and in-depth multiple-choice questions. Each question comes with hints and detailed explanations to ensure mastery of the subject matter. Get ready for your exam and boost your confidence!

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What does a compound gauge measure?

Temperature only
Pressure only
Humidity only
All of the above

The correct answer is: All of the above

A compound gauge measures both pressure and temperature. In HVAC systems, a compound gauge is commonly used to measure the pressure of refrigerant in the system. It consists of two gauges in one unit - a low-pressure side (measures pressure in the low-pressure part of the system) and a high-pressure side (measures pressure in the high-pressure part of the system). Temperature can also be measured using this type of gauge, providing versatility and efficiency for technicians during HVAC system installations or servicing. Therefore, the correct answer is D, as a compound gauge is designed to measure both pressure and temperature.