1. (DU-109-EI) What does IAQ stand for?
  • International Air Quality
  • Industrial Air Quality
  • Interior Air Quality
  • In-duct Air Quality
  1. (DU-109-EI) What kind of air is blown into a building by air handlers?
  • Return Air
  • Outside Air
  • Makeup Air
  • Supply Air
  1. (DU-109-EI) What kind of air is blown into a building when air pressure is low?
  • Return Air
  • Outside Air
  • Makeup Air
  • Supply Air
  1. (DU-109-EI) What causes Over Pressure?
  • Pressure is higher on the lower level than on the mezzanine
  • Pressure is higher in the building than outside
  • Pressure is lower in the building than outside
  • Pressure is lower on the lower level than on the mezzanine
  1. (DU-109-EI) What causes Under Pressure?
  • Pressure is higher on the lower level than on the mezzanine
  • Pressure is lower in the building than outside
  • Pressure is lower in the building than outside
  • Pressure is higher on the lower level than on the mezzanine
  1. (DU-109-EI) What is accomplished in the AHU mixing box?
  • Return air is mixed with supply air
  • Supply air is mixed with return air
  • Supply air is mixed with relief air
  • Return air is mixed with outside air
  1. (DU-109-EI)What kind of meter is mounted in the filter section door of an AHU?
  • Temperature sensor
  • Pressure gauge
  • W.C. meter
  • Anemometer
  1. (DU-109-EI) Where is the starter box located for an AHU?
  • Mounted on the exterior of the fan section or nearby
  • Mixing box
  • Control Room
  • AHUs do not need starters
  1. (DU-109-EI) What is one way an MAU differs from an AHU?
  • The MAU takes in return air and outside air
  • The MAU takes in relief air only
  • The MAU takes in outside air only
  • The MAU takes in return air only
  1. (DU-109-EI) What does MAU stand for?
  • Main Air Unit
  • Maximum Air Unit
  • Mini Air Unit
  • Makeup Air Unit
  1. (DU-109-EI)What is another way an MAU differs from an AHU?
  • The MAU has a mixing box
  • The MAU does not have a mixing box
  • The MAU has a cooling coil
  • The AHU has a cooling coil
  1. (DU-109-EI) What does AHU stand for?
  • Air Handling Unit
  • Alternate Handling Unit
  • Air Holding Unit
  • Air Hardening Unit
  1. (DU-109-EI) What does FCU stand for?
  • Fan Cooling Unit
  • Fan Coil Unit
  • Fan Control Unit
  • Fast Cooling Unit
  1. (DU-109-EI) What does the FCU use to heat supply air?
  • Steam
  • Hot water
  • Electricity
  • Friction
  1. (DU-109-EI) What does FCU stand for?
  • Forced Cooling Unit
  • Facilities Control Unit
  • Furnace Coil Unit
  • Fan Coil Unit
  1. (DU-109-EI)Based on outside air enthalpy and outside air temperature, what is the lowest temperature at which AHU-21 will operate before entering the economizer cycle?
  • 80°F
  • 40°F
  • 60°F
  • 72°F
  1. (DU-109-EI) When do Supply Fans SF-21 and SF-22 run?
  • Only when building pressure is low
  • Continuously
  • Only when building pressure is high
  • Only at night
  1. (DU-109-EI) Where do the temperature transmitters on the ducts and mixing box on AHU-21 send readings?
  • Local Controller DCS
  • AHU-22
  • Directly to the Control Room
  • Chiller Plant #1
  1. (DU-109-EI) What area is cooled by AHU-22?
  • Control Room
  • Janitor’s closet
  • Chemical Treatment Area
  • Electric Room
  1. (DU-109-EI) Where is the Gravity Relief Damper located?
  • Control Room
  • Mezzanine floor
  • Electric Room
  • Operating floor
  1. (DU-109-EI) What volume of cooling air is supplied to the Electric Room?
  • 1,250 CFM
  • 2,000 CFM
  • 10,000 CFM
  • 30,000 CFM
  1. (DU-109-EI) Where is the Electric Duct Heater located?
  • In the return air duct
  • In the supply air duct
  • In the relief air duct
  • In the makeup air duct
  1. (DU-109-EI) Which of the following areas is cooled by FCU-21?
  • Operating floor
  • Chemical treatment area
  • Electric Room
  • Control Room
  1. (DU-109-EI) Where does Operations Monitoring take place?
  • Control Room in each steam plant
  • Control Room in West Campus Steam Plant
  • Control Room in Chilled Water Plant #2
  • Control Room in Chilled Water Plant #1
  1. (DU-109-EI) Which air pressure condition in a building is preferable?
  • Under Pressure
  • Over Pressure
  • Balanced
  • Air pressure is not a concern of HVAC