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HVAC Review Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the function of a centrifugal pump in HVAC systems? To move water or other fluids through a piping system. What does the term “enthalpy” represent in thermodynamics? The total heat content of a system, including internal energy and flow work. What is the primary function of a cooling tower? To reject heat from water-cooled systems into the atmosphere. What is the difference between ...

HVAC Unit 1: Review Questions and Answers | Latest Version | 2025/2026 | Correct & Verified Why is system balancing important? To ensure uniform airflow and comfort throughout the building. What is a common symptom of dirty condenser coils? High head pressure and reduced cooling efficiency. Why is a manometer used in HVAC? To measure gas or air pressure. What is the function of an expansion tank in a hydronic system? To absorb pressure changes due to water expansion. Why i...

HVAC Excellence Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the function of an expansion valve in a refrigeration cycle? To regulate refrigerant flow into the evaporator. Why is refrigerant recovery necessary before servicing? To prevent release of harmful chemicals and comply with EPA regulations. What is the purpose of a condensate drain in an air conditioner? To remove moisture collected from the air. What is the function of a blower fan ...

Intro to HVAC Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What tool is used to measure air temperature? Thermometer. What tool measures air pressure in duct systems? Manometer. What is static pressure in HVAC systems? Resistance to airflow in ducts. What does a return air duct do? Brings air back to the HVAC unit. What does a supply air duct do? Delivers conditioned air to rooms. What is zoning in HVAC systems? Dividing a building into sepa...

HVAC Certification Practice Tests Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What does a contactor do in an HVAC system? Controls power to major components. What is the purpose of a filter drier? Remove moisture and contaminants from refrigerant. What happens if an air filter is clogged? Reduced airflow and system efficiency. What is latent heat? Heat involved in a phase change without temperature change. What type of compressor is commonly used ...

HVAC Study Guide Questions and Answers | Latest Version | 2025/2026 | Correct & Verified Which device controls airflow direction in a duct system? A) Diffuser B) Damper C) Blower motor D) Heat exchanger What is the main purpose of a heat exchanger? A) Store refrigerant B) Transfer heat without mixing fluids C) Control airflow D) Measure temperature Which HVAC system provides both heating and cooling using electricity? A) Gas furnace B) Heat pump C) Boiler D) Radiator ...

HVAC Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the primary function of an HVAC system? To control indoor temperature, humidity, and air quality. What does HVAC stand for? Heating, Ventilation, and Air Conditioning. What component of an air conditioner absorbs heat from indoor air? The evaporator coil. What component releases heat to the outdoor air in a cooling system? The condenser coil. What type of refrigerant change occurs in the evap...

RHIA Exam Health Law Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What federal law focuses on the security of electronic protected health information? A) False Claims Act B) HIPAA Security Rule C) CLIA D) ERISA What is the main purpose of the HITECH Act? A) Regulate hospitals B) Promote adoption and meaningful use of EHRs C) Control insurance pricing D) License health professionals Which document gives permission to release protected health informa...

Domain 2 RHIA Study Questions and Answers | Latest Version | 2025/2026 | Correct & Verified Which activity ensures health data is complete, accurate, and timely? A) Data mining B) Data quality management C) Data warehousing D) Data analytics What is the primary purpose of data governance in healthcare organizations? A) Increase reimbursement B) Eliminate paper records C) Establish accountability for data assets D) Reduce staffing costs Which tool defines the meaning, format,...

RHIA Exam Prep Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the primary responsibility of an RHIA professional? Managing, analyzing, and protecting health information to support quality care and compliance. What document formally authorizes a person to practice as an RHIA? RHIA certification credential. What AHIMA principle emphasizes honesty and accountability in HIM practice? Ethical integrity. What is the main purpose of data quality mana...