List the agencies that promote duct standards and briefly describe what they cover
What will be an ideal response?
Underwriters Laboratories produces standards for manufactured duct and duct connections
National Fire Protection Association promotes standards for installation of heating and air conditioning systems. The NFPA is primarily interested in fire safety.
SMACNA publishes standards related to duct installation.
NAIMA publishes standards for the installation of fiber ductboard and fiberglass insulation.
Air Diffusion Council publishes standards for installing flexible duct.
ACCA publishes duct design manuals and a specification for quality installation.
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Sanitary and phytosanitary regulations are barriers to trade under WTO standards
Indicate whether the statement is true or false
The ____________________ process is the most important aspect of obtaining employment.
Fill in the blank(s) with the appropriate word(s).
Calculate the amount of heat required to change 5 pounds of 32° ice to water
A) No extra heat is required because the ice is already at the melting temperature. B) 5lbs × 32°F × 0.5 BTU/lb = 80 BTUs C) 5 lbs × 144 BTUs/lb = 720 BTUs D) The amount of heat required cannot be calculated without knowing the ending temperature of the water.
Where is the correct location for a sight glass in order to check the charge?
What will be an ideal response?