#1
Which refrigerant has been phased out due to its harmful impact on the ozone layer?
#2
What does HVAC stand for?
High Voltage Alternating Current
Heating, Ventilation, and Air Conditioning
Heat Ventilation Automated Control
Home Ventilation and Cooling
#3
What does IAQ stand for in relation to HVAC systems?
Internal Air Quality
International Air Quantity
Indoor Air Quality
Isolated Air Quantity
#4
What is the primary purpose of a humidifier in an HVAC system?
To decrease humidity levels
To regulate airflow
To increase humidity levels
To remove pollutants from the air
#5
What does SEER stand for when referring to the efficiency of HVAC systems?
Seasonal Energy Efficiency Ratio
Systematic Energy Efficiency Rating
Standardized Environmental Efficiency Report
Sustainable Energy Emission Reduction
#6
Which of the following pollutants is commonly controlled in HVAC systems?
Carbon Dioxide (CO2)
Sulfur Dioxide (SO2)
Particulate Matter (PM)
Ozone (O3)
#7
What does LEED certification stand for in the context of green building design?
Low Emission Environmental Design
Leadership in Energy and Environmental Design
Long-lasting Energy Efficient Design
Low-cost Energy and Environmental Development
#8
What is the primary purpose of a MERV rating in HVAC systems?
To measure energy efficiency
To assess indoor air quality
To determine refrigerant effectiveness
To regulate thermostat settings
#9
Which of the following is NOT a common type of HVAC system?
Split system
Package unit
Ground-source heat pump
Thermal radiation system
#10
What is the role of a condenser in an HVAC system?
To cool and condense refrigerant vapor into liquid
To heat and evaporate refrigerant liquid into vapor
To regulate indoor temperature
To distribute conditioned air throughout the building
#11
What is the purpose of an economizer in an HVAC system?
To regulate indoor temperature
To reduce energy consumption by utilizing outdoor air when possible
To filter out pollutants from the air
To control humidity levels
#12
What is a 'green roof' in the context of sustainable building design?
A roof painted green to reflect sunlight
A roof covered with living vegetation
A roof made of recycled materials
A roof with solar panels installed
#13
What is the purpose of a VAV (Variable Air Volume) system in HVAC?
To regulate refrigerant flow
To control air flow based on varying temperature requirements
To enhance air filtration
To reduce noise levels
#14
What is the purpose of a heat exchanger in an HVAC system?
To regulate humidity levels
To transfer heat between two fluids
To filter out airborne contaminants
To generate electricity
#15
What is the purpose of a UV-C light system in HVAC units?
To regulate airflow
To increase humidity levels
To enhance air filtration by killing microbial contaminants
To decrease energy consumption