How does certification affect heating equipment in the United States?
A) Only electric heating equipment is required to have testing or certification by an accredited testing agency.
B) All heating equipment must be tested, certified, or listed by an accredited testing agency.
C) All heating equipment undergoes voluntary testing and certification by accredited testing agencies.
D) All gas appliances are exempt from certification but must be tested by an accredited testing agency.
B
You might also like to view...
Phytosanitary regulations apply to which of the following?
A) Plants B) Eggs C) Meats D) All of the above
A triangular architect's scale typically contains ____ different scales.
A. six B. seven C. eleven D. twelve
By definition, ____________________ is the volume of space through which the piston moves as it moves from BDC to TDC.
Fill in the blank(s) with the appropriate word(s).
There are always two dimensions common between adjacent views.
Answer the following statement true (T) or false (F)