Ase a7 hvac - Study guides, Class notes & Summaries

ASE A7 Heating, Ventilation, Air Conditioning (ASE A7 HVAC) – Qs & As

Tech A says that evacuating an AC system will remove air and moisture from the system. Tech B says evacuating an AC system removes dirt particles. Who is right? - ANSWER-A. Evacuating the system removes air and moisture. The receiver drier may contain a filter or strainer to catch and trap foreign particles and dirt, but this remains in the drier and is not removed during evacuation. There is a growling/rumbling noise at the AC compressor when the system is off and the engine is running. The ...

ASE A7 Test Prep (HVAC) – Questions With Solutions

ASE A7 Test Prep (HVAC) QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES 2025/2026 (VERIFIED ANSWERS) |ALREADY GRADED A+

ASE A7 HVAC EXAM 2023 WITH QUESTIONS AND ANSWERS ...

Tech A says that evacuating an AC system will remove air and moisture from the system. Tech B says evacuating an AC system removes dirt particles. Who is right? A. Evacuating the system removes air and moisture. The receiver drier may contain a filter or strainer to catch and trap foreign particles and dirt, but this remains in the drier and is not removed during evacuation. There is a growling/rumbling noise at the AC compressor when the system is off and the engine is running. The nois...

Latent Heat of Evaporation The amount of heat needed for a liquid to change state to a vapor, without the temperature changing. BTU's -British Thermal Units -The amount of heat that is required to raise the temperature of one pound of water by 1 degree fahrenheit. Main Principles -Heat always moves towards a state of less heat. -A large amount of heat is required to change a liquid into a gas. -A large amount of heat given off is required to change a gas into a liquid. -When a pressur...