Certified Apartment Maintenance Technician (CAMT) Practice Exam 2025 - Free CAMT Practice Questions and Study Guide

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Which tool is essential for ensuring accurate pressure measurements in HVAC systems?

Multimeter

Manifold gauge set

The manifold gauge set is essential for ensuring accurate pressure measurements in HVAC systems because it is specifically designed to measure both high and low pressure in these systems. HVAC technicians use this tool to assess refrigerant pressure, which is critical for diagnosing system performance and efficiency. The manifold gauge set typically has color-coded hoses and gauges that indicate refrigerant pressure in both the high and low sides of the system, allowing for precise readings necessary for repairs, charging, and maintenance of HVAC units.

In contrast, while a multimeter is valuable for electrical troubleshooting, it does not provide pressure measurements. A pressure cooker is unrelated to HVAC systems and is used for cooking under pressure. A thermometer measures temperature rather than pressure, making it insufficient for assessing HVAC system performance.

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Pressure cooker

Thermometer

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