A steam type heating system has a fluid design operating temperature of 275 degrees Fahrenheit and a nominal pipe diameter of one inch. The minimum pipe insulation should be how many inches?
4.0
A steam type heating system has a fluid design operating temperature of 275 degrees Fahrenheit and a nominal pipe diameter of one and one half inches. The minimum pipe insulation should be how many inches?
4.5
Residential sliding glass doors shall have an air infiltration rate of no more than _______________ cfm per square foot.
0.3
The estimated total cooling of a central air conditioner in Btu's
during its normal usage period for cooling (not to exceed 12 months)
divided by the total electric energy input in watt-hours during the
same period is
called the _______________ Energy Efficiency Ratio.
Seasonal
The outer jacket of a flexible duct section _______________ be interposed between the flange of the duct collar fitting and the flexible duct.
Shall not
The maximum air leakage in CFM’s for a 3 ft. by 7 ft. commercial glazed swinging entrance door is
21
Opaque Swinging doors require a U-value of _______________ when installed in a climate zone 3, group R?
U-0.61
Supply ducts in residential attics shall be insulated to a minimum of
R-8
Energy compliance is made part of the plans and requires certification by the
Code Official
Mass common walls require a minimum R-value of
6
When using R-value in thermal resistance designations, the term R-value means?
The inverse of the time rate of heat flow through a body from one of its bounding surfaces to the other surface for a unit temperature difference between the two surfaces, under steady state conditions per unit area.
Which of the following does not require code compliance by license or registration?
Single family residential
Duval county is in moisture regime?
2A
A wood house built in climate zone 3 will require exterior wood frame walls to have an R-value of
20
The coefficient of heat transmission (air to air) through a building component or assembly, equal to the time rate of heat flow per unit area and unit temperature difference between the warm side and cold side air films is referred to as
U-factor
___________________ shall not contain electrical, plumbing or
mechanical systems which have
been designed to accommodate the
future installation of heating or cooling equipment.
Low energy buildings
___________________ is defined as, the basement walls, exterior walls, floor, roof, and any other building elements that enclose conditioned space. This boundary also includes the boundary between conditioned space and exempt or unconditioned space.
Building thermal envelope
___________________ is the ratio of the solar heat gain entering the
space through the fenestration
assembly to the incident solar
radiation. Solar heat gain includes directly transmitted solar heat
and absorbed solar radiation which is then reradiated, conducted or
convected into the space.
Solar heat gain coefficiency
The U Factor for an uninsulated metal door is
1.20
Broward county is in which designation for climate zone, moisture regime and warm humid designation?
1A warm-humid
The default glazed fenestration U-factor for a double pane metal skylight is
1.30
The thickness of blown-in or sprayed roof/ceiling insulation (fiberglass or cellulose) shall be written on markers that are installed at least one for every ___________ throughout the attic space.
300 square feet
___________________ is energy derived from solar radiation, wind, waves, tides, landfill gas, biomass, or the internal heat of the earth. The energy system providing on-site renewable energy shall be located on the project site.
on-site renewable energy
Mechanical system piping in residential homes capable of carrying fluids above 105 F or below 55 F shall be insulated to a minimum of
R-3
In a commercial structure the skylight area shall not exceed _____ percent of the gross roof area.
3