Home
Practice
Exam Simulator
Study Plan
Flash Card
FAQ
Blog
_______temperature measurement is an indication of moisture content of the air
Explore more HVAC questions
Visit our
website
for other HVAC topics now!
Related questions
When dry bulb temperature is equal to wet bulb temperature, the evaporation rate will be:
Wet bulb temperature _______ as rate of evaporation of water from the wick increases.
In Psychrometric char, lines of _____ run diagonally downward from left to right across the chart.
As the relative humidity of the air decreases, the temperature of the air _____:
Openings in screens, louvers and grills for exhaust openings shall be _________________________.
Ducts shall be supported with approved hangers at intervals not exceeding _______ feet.
One chlorine or bromine radical liberated has the capability to act as catalyst and breakdown ____number of ozone molecules:
The maximum vent connector length of a 8" diameter connector is _______ feet.
Where unvented infrared heaters are installed, natural or mechanical means shall provide outdoor ventilation air at a rate of not less than ________ of the aggregateinput rating of all such heaters installed in the space.
______ It is expressed in Btu per pound of dry air:
The ______ of air is reached when the air contains all the moisture it can hold
What is the minimum height above the flor an appliance must be installed in a private garage?
NFPA 58-08 has to do with __________.
Exhaust airflow rate for a barber shop shall be __________ cfm/square foot.
Vented wall furnaces shall be located such that any door swing shall not come closer than _______ inches to any air inlet or air outlet measured at right angles to the opening.
______ of heat transfer takes place in waveforms
Quantities of flammable and combustible liquid in excess of ______ gallons shall be stored in an acceptable or approved cabinet.
The minimum fire protection rating for a fire damper installed in less than 3 hour fire resistance rated assemblies is ________ hours.
Which of the following is the heat content causing an increase in dry-bulb temperature:
What is the minimum height of a guard when a unit is mounted close to the edge of a roof?
Welding cylinders shall be moved by ________?
The minimum clearance from appliances mounted below grade shall be at least?
All gas piping installed on top of roofs shall be elevated not less than _______ inches off the roof surface.
The comfort range of relative humidity for dry bulb temperatures is ______ :
UV radiation can cause which of the following more significantly:
The air mixture calculations are performed on which of the following:
The wet-bulb temperature can never be higher than the dry-bulb temperature.
Underground gas piping systems must be buried at a minimum depth of _______ inches below ground.
In Psychrometric chart Y-axis indicates which of the following:
I have a 1025 rpm motor with a 3.5" motor pulley and i need a blower rpm of 400 rpm. What size blower pulley do i need?
A psychrometric chart presents ______ of moist air in a graphical form
Where equipment requiring access and appliances are installed on roofs or elevated structures at a heigth exceeding _______ feet, such access shall be provided by a permanent approved means of access.
Average ozone concentration in Earth’s atmosphere as a whole is only about ____ parts per million:
What effect would hooking up a 240 volt transformer to a 208 volt supply voltage have on the secondary voltage?
The _____ of air is the reciprocal of the density
Factory built chimneys for medium heat appliances producing flue gases having a temperature above _______ degrees, measured at the entrance to the chimney, shall comply with UL 959.
Sensible heat can be which of the following:
Which of the following is more reactive in lower atmosphere (Troposphere):
Hotter temperature means the air has _____ capacity to hold water suspended
