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ESCO HVACR 2025 Air Conditioning Practice Test Questions and Answers with Verified Solutions | Latest 2026 Update

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ESCO HVACR 2025 Air Conditioning Practice Test Questions and Answers with Verified Solutions | Latest 2026 Update

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ESCO HVACR 2025 Air Conditioning Practice Test Questions and
Answers with Verified Solutions | Latest 2026 Update




Q: compressor is noisy and running hot. The most probable cause of the noise is

Answer:
Low oil in the
system

Q: While troubleshooting a residential split system the service technician find low
operating

Answer:
pressures and low system amperage draw. This could be an indication of: Low
airflow across
the evaporator

Q: A refrigerant overcharge in a capillary tube air conditioning system will cause
which symptoms?

Answer:
High suction pressure and high discharge pressure

,ESCO HVACR 2025 Air Conditioning Practice Test Questions and
Answers with Verified Solutions | Latest 2026 Update




Q: A compressor that has a broken valve will cause which symptoms?

Answer:
High suction pressure and low discharge pressure

Q: A low refrigerant charge in an air conditioning system will cause the symptoms

Answer:
Low suction
pressure and low discharge pressure

Q: A faulty condenser fan motor on an air conditioning system will cause the
symptoms

Answer:
High
suction pressure and high discharge pressure

, ESCO HVACR 2025 Air Conditioning Practice Test Questions and
Answers with Verified Solutions | Latest 2026 Update




Q: A dirty evaporator in an air conditioning system will cause the symptoms

Answer:
Low suction
pressure and low discharge pressure

Q: An inefficient compressor is usually indicated by a _____________ head
pressure and

Answer:
______________ suction pressure. Lower than normal; Higher than normal

Q: What type of gauge is used to measure a vacuum of 500 Micron?

Answer:
An electronic Vacuum gauge

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