Page 1 of 44
CSIA EXAM AND PRACTICE EXAM NEWEST 2025 TEST
BANK| COMPLETE 300 REAL EXAM QUESTIONS AND
CORRECT VERIFIED ANSWERS/ GRADED A+| CSIA
CERTIFICATION EXAM PREP 2025 (BRAND NEW!!)
UL 641 .....ANSWER..... Type L venting
UL 462 .....ANSWER..... Hear reclaimers
UL 737 .....ANSWER..... Fireplace stoves
Max smoke chamber height? .....ANSWER..... No greater than the
width of the fireplace opening
3.5 brick wall WITH air space, reduction for unlisted stove
.....ANSWER..... 66%
Solid fuel BTU? .....ANSWER..... 8600
Max cross sectional area of a flue for an interior chimney when
based off a flue collar, for an interior chimney? .....ANSWER.....
3x
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Max cross sectional area of a flue for an exterior chimney based
off the flue collar? .....ANSWER..... 2X
2-1 aspect ratio flew to firebox opening ratio? .....ANSWER.....
Eight to one
Square/regular rectangular flue to firebox opening ratio?
.....ANSWER..... 10 to 1
Round liner to firebox opening ratio? .....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? .....ANSWER..... 33%
Three types of glazed creosote removers .....ANSWER..... Hand,
mechanical, chemical
Negative pressure respirators .....ANSWER..... They have no
motor, they use your own breath in order to work
Recognizable characteristics of creosote .....ANSWER..... City, Ash
like deposits.
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Dry, flaky, black tar.
Dense, hard, shiny black.
Sticky, tacky, runny
Astmc - 1261 .....ANSWER..... Standard specs regarding fire
brick for residential fireplaces
What kind of brush do you use for sweeping oil or coal burning
appliances? .....ANSWER..... Polypropylene
ASTM E 1509 .....ANSWER..... Standard specs for pellet burning
type room heaters
Ansiz21.11.2 .....ANSWER..... Unvented gas fired room heaters
BTU definition? .....ANSWER..... British thermal unit
Single wall wood stove pipe clearance unlisted? .....ANSWER.....
18 in
Clearance for an interior chimney? .....ANSWER..... 2 in
, Page 4 of 44
UL 1482 .....ANSWER..... Solid fuel type room heaters
UL 907 .....ANSWER..... Fireplace accessories, like doors
Pellet fuel produces approximately how many BTUs of heat per
pound? .....ANSWER..... 8200 BTUs
Four byproducts of complete combustion of wood?
.....ANSWER..... Water vapor, carbon dioxide, heat, non-
combustible ashes
When should you put a draft hood on a wood stove?
.....ANSWER..... Never
Astmc 1283 .....ANSWER..... Installation of clay flue liners
Half inch thick non-combustible board with ventilated air space,
what is the reduction for an unlisted wood stove? Wall and
ceiling. .....ANSWER..... Wall 66%, ceiling 50%
Which rod type is most flexible? .....ANSWER..... Nylon
CSIA EXAM AND PRACTICE EXAM NEWEST 2025 TEST
BANK| COMPLETE 300 REAL EXAM QUESTIONS AND
CORRECT VERIFIED ANSWERS/ GRADED A+| CSIA
CERTIFICATION EXAM PREP 2025 (BRAND NEW!!)
UL 641 .....ANSWER..... Type L venting
UL 462 .....ANSWER..... Hear reclaimers
UL 737 .....ANSWER..... Fireplace stoves
Max smoke chamber height? .....ANSWER..... No greater than the
width of the fireplace opening
3.5 brick wall WITH air space, reduction for unlisted stove
.....ANSWER..... 66%
Solid fuel BTU? .....ANSWER..... 8600
Max cross sectional area of a flue for an interior chimney when
based off a flue collar, for an interior chimney? .....ANSWER.....
3x
,Page 2 of 44
Max cross sectional area of a flue for an exterior chimney based
off the flue collar? .....ANSWER..... 2X
2-1 aspect ratio flew to firebox opening ratio? .....ANSWER.....
Eight to one
Square/regular rectangular flue to firebox opening ratio?
.....ANSWER..... 10 to 1
Round liner to firebox opening ratio? .....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? .....ANSWER..... 33%
Three types of glazed creosote removers .....ANSWER..... Hand,
mechanical, chemical
Negative pressure respirators .....ANSWER..... They have no
motor, they use your own breath in order to work
Recognizable characteristics of creosote .....ANSWER..... City, Ash
like deposits.
,Page 3 of 44
Dry, flaky, black tar.
Dense, hard, shiny black.
Sticky, tacky, runny
Astmc - 1261 .....ANSWER..... Standard specs regarding fire
brick for residential fireplaces
What kind of brush do you use for sweeping oil or coal burning
appliances? .....ANSWER..... Polypropylene
ASTM E 1509 .....ANSWER..... Standard specs for pellet burning
type room heaters
Ansiz21.11.2 .....ANSWER..... Unvented gas fired room heaters
BTU definition? .....ANSWER..... British thermal unit
Single wall wood stove pipe clearance unlisted? .....ANSWER.....
18 in
Clearance for an interior chimney? .....ANSWER..... 2 in
, Page 4 of 44
UL 1482 .....ANSWER..... Solid fuel type room heaters
UL 907 .....ANSWER..... Fireplace accessories, like doors
Pellet fuel produces approximately how many BTUs of heat per
pound? .....ANSWER..... 8200 BTUs
Four byproducts of complete combustion of wood?
.....ANSWER..... Water vapor, carbon dioxide, heat, non-
combustible ashes
When should you put a draft hood on a wood stove?
.....ANSWER..... Never
Astmc 1283 .....ANSWER..... Installation of clay flue liners
Half inch thick non-combustible board with ventilated air space,
what is the reduction for an unlisted wood stove? Wall and
ceiling. .....ANSWER..... Wall 66%, ceiling 50%
Which rod type is most flexible? .....ANSWER..... Nylon
