HVAC Final Exam Questions and Answers Graded A+
all the items needed to maintain thermal comfort within a
What is an HVAC System?
space or group of spaces
Fans
Pumps
What are the four components of an HVAC system?
Compressor
Evaporator
What is a PTAC? Packaged Terminal Air Conditioner
What is a PTHP? Packaged Terminal Heat Pump
Boiler
List the heat transfer equipment (3) Chiller
Coil
What is a zone? A zone is a separately controlled space or group spaces
Variable Air Volume - the volume of conditioned air varies
What is VAV and describe it.
to maintain room conditions
Constant Volume - the temperature of conditioned air
What is CV and describe it.
varies to maintain room conditions
Exposure - space orientation/grouping
What three criteria are zones in buildings based upon? Internal Loads - people, electrical, equipment
Application - space use and/or schedule
All Air - uses ducts, fans, and coils
What are the three type of HVAC systems? All Water - uses pipes, pumps, chillers, and boilers
Air-Water - uses both air and water components
Package Commercial Air Unit
Built-Up Unit
What are the four equipment classifications?
Residential Split-System Unit
Computer/Telecom Room Units
What are some ductwork materials?
1/3
all the items needed to maintain thermal comfort within a
What is an HVAC System?
space or group of spaces
Fans
Pumps
What are the four components of an HVAC system?
Compressor
Evaporator
What is a PTAC? Packaged Terminal Air Conditioner
What is a PTHP? Packaged Terminal Heat Pump
Boiler
List the heat transfer equipment (3) Chiller
Coil
What is a zone? A zone is a separately controlled space or group spaces
Variable Air Volume - the volume of conditioned air varies
What is VAV and describe it.
to maintain room conditions
Constant Volume - the temperature of conditioned air
What is CV and describe it.
varies to maintain room conditions
Exposure - space orientation/grouping
What three criteria are zones in buildings based upon? Internal Loads - people, electrical, equipment
Application - space use and/or schedule
All Air - uses ducts, fans, and coils
What are the three type of HVAC systems? All Water - uses pipes, pumps, chillers, and boilers
Air-Water - uses both air and water components
Package Commercial Air Unit
Built-Up Unit
What are the four equipment classifications?
Residential Split-System Unit
Computer/Telecom Room Units
What are some ductwork materials?
1/3