HVAC Final Exam Questions And 100% Correct Answers

HVAC Final Exam Questions And
100% Correct Answers




\Q\.What is an HVAC System? - ANSWERS✔-all the items needed to maintain thermal comfort
within a space or group of spaces



\Q\.What are the four components of an HVAC system? - ANSWERS✔-Fans

Pumps

Compressor

Evaporator



\Q\.What is a PTAC? - ANSWERS✔-Packaged Terminal Air Conditioner



\Q\.What is a PTHP? - ANSWERS✔-Packaged Terminal Heat Pump



\Q\.List the heat transfer equipment (3) - ANSWERS✔-Boiler

Chiller

Coil



\Q\.What is a zone? - ANSWERS✔-A zone is a separately controlled space or group spaces

, \Q\.What is VAV and describe it. - ANSWERS✔-Variable Air Volume - the volume of conditioned
air varies to maintain room conditions



\Q\.What is CV and describe it. - ANSWERS✔-Constant Volume - the temperature of conditioned
air varies to maintain room conditions



\Q\.What three criteria are zones in buildings based upon? - ANSWERS✔-Exposure - space
orientation/grouping

Internal Loads - people, electrical, equipment

Application - space use and/or schedule



\Q\.What are the three type of HVAC systems? - ANSWERS✔-All Air - uses ducts, fans, and coils

All Water - uses pipes, pumps, chillers, and boilers

Air-Water - uses both air and water components



\Q\.What are the four equipment classifications? - ANSWERS✔-Package Commercial Air Unit

Built-Up Unit

Residential Split-System Unit

Computer/Telecom Room Units



\Q\.What are some ductwork materials? - ANSWERS✔-Carbon Steel (Black Iron)

Aluminum

Stainless Steel

Copper

Fiber Reinforced Plastic

Polyvinyl Chloride