What is the ideal relative humidity of a conditioned space?
40% - 60%
An integrated pest management system includes?
- Removing moisture
- Closing patways
HVR recovers more energy than ERV?
False
What does it mean to bleed a hot water system?
Venting excess air
A CCT reading above 100 means that all occupants much immediately vacate
the space
False
A ground fault circuit interrupter is triggered
When electricity is detected in the ground wire
,Which is a means of transmitting heat?
Conduction
Delta T (ΔT) describes a difference in
Temperature
What is the least efficient type of window?
Single glazed aluminum
Where should you install motion sensors?
Storage rooms
Compactor rooms
Public bathrooms
Which technique helps maintain lighting levels in a multifamily building?
- Monitoring lighting with a light meter
- Cleaning dirty diffusers or shades
- Group relamping
,Electric demand is measured in?
kW which means kilowatts
A draft gauge visually ensures positive pressure in the chimney to remove
combustion products.
False
What is the standard practice for addressing a leak in a wall?
Fix the leak and open wall to air out cavities
How often should you check lighting levels in common areas in a multifamily
building?
Once a year
Standard 5.4
Burn marks at the bottom of a domestic hot water heater most likely indicates
________
Flame rollout or backdraft
A low flow showerhead is one rated at ____ or less.
, 2.5 gpm
Formaldehyde, a component in many building materials is NOT considered
carcinogenic.
False
Which could be an indication that a ventilation system is out of balance?
Only one apartment complains about odors among a series of apartments in a
row
Btu per square foot per Heating Degree Day is the energy use index for a
building
True
The "whole building approach" requires an understanding of the interactions
of which of the following building systems?
- Building Envelope
- HVAC
- Lighting
An aquastat is needed as part of a tankless domestic hot water system?