Questions With Thorough Solutions
UL 641 Correct Answer - Type L venting
UL 462 Correct Answer - Hear reclaimers
UL 737 Correct Answer - Fireplace stoves
Max smoke chamber height? Correct Answer - No greater than the width
of the fireplace opening
3.5 brick wall WITH air space, reduction for unlisted stove Correct Answer -
66%
Solid fuel BTU? Correct Answer - 8600
Max cross sectional area of a flue for an interior chimney when based off a flue
collar, for an interior chimney? Correct Answer - 3x
Max cross sectional area of a flue for an exterior chimney based off the flue
collar? Correct Answer - 2X
2-1 aspect ratio flew to firebox opening ratio? Correct Answer - Eight to
one
Square/regular rectangular flue to firebox opening ratio? Correct Answer -
10 to 1
Round liner to firebox opening ratio? Correct Answer - 1 to 12
Three and a half inch brick wall with no air space, what reduction does it give
you for an unlisted wood stove? Correct Answer - 33%
Three types of glazed creosote removers Correct Answer - Hand,
mechanical, chemical
, Negative pressure respirators Correct Answer - They have no motor,
they use your own breath in order to work
Recognizable characteristics of creosote Correct Answer - City, Ash like
deposits.
Dry, flaky, black tar.
Dense, hard, shiny black.
Sticky, tacky, runny
Astmc - 1261 Correct Answer - Standard specs regarding fire brick for
residential fireplaces
What kind of brush do you use for sweeping oil or coal burning appliances?
Correct Answer - Polypropylene
ASTM E 1509 Correct Answer - Standard specs for pellet burning type
room heaters
Ansiz21.11.2 Correct Answer - Unvented gas fired room heaters
BTU definition? Correct Answer - British thermal unit
Single wall wood stove pipe clearance unlisted? Correct Answer - 18 in
Clearance for an interior chimney? Correct Answer - 2 in
UL 1482 Correct Answer - Solid fuel type room heaters
UL 907 Correct Answer - Fireplace accessories, like doors
Pellet fuel produces approximately how many BTUs of heat per pound?
Correct Answer - 8200 BTUs
Four byproducts of complete combustion of wood? Correct Answer -
Water vapor, carbon dioxide, heat, non-combustible ashes
When should you put a draft hood on a wood stove? Correct Answer -
Never