This fluid is commonly injected into hydronic HVAC systems to lower the freeze point of the working fluid.
What is glycol?
This piece of equipment is called...
What is switchgear or switchboard?
This type of valve commonly used in domestic hot water systems is used primarily for...
What is balancing?
This system gives overview and control of all systems in a building...
What is a building management system?
A factor that gets applied to ventilation rates to ensure proper air distribution.
What is Zone Air Distribution Effectiveness?
This is the NEC section that governs load calculations.
What is Article 220?
This architectural element is often required to conceal sanitary, vent, and water piping as it passes vertically through a building.
What is a plumbing chase?
This code is currently adopted in New Jersey and governs energy efficiency in commercial and non low rise buildings...
What is ASHRAE 90.1-2019?
A ton of cooling is the equivalent to the amount of heat removal required to melt this many pounds of ice.
What is 2000 lbs?
The 2020 NEC requires an outlet for the first 9 sq ft of surface and additional outlets for the next 18 sq ft of this particular type of kitchen counter surface...
What is an island?
This device is required where needed to prevent sewage from backing up into a building due to surcharge in the public sewer.
What is a backwater valve?
A single convenience receptacle in each dwelling unit of a building which all receive backup power from a generator would be considered what kind of backup load as defined in the 2020 NEC?
What is an optional load?
This type of steam boiler is referred to as...
What is a scotch marine boiler?
An electrical system requirement that provides a path of low resistance to dissipate excess electricity is called...
What is a grounding system?
The amount of gallons per hour equivalent to a drainage fixture unit...
What is 0.008 gallons per hour?
A PSEG transformer vault for up to (3) 500 KVA transformers must have these minimum dimensions.
What is 25' W x 15' D?
This supply air register is part of this type of air distribution system.
What is a high velocity system?
The diversity factor allowed to be applied to a multifamily residential building dwelling unit electrical calculated load when 63 or more dwelling units are being served.
What is 23%?
This is the assumed rainfall rate in Northern New Jersey...
What is 5"/hr?
This type of device adds reactive power to a building's electrical system to improve the building's power factor...
What is a capacitor?