RED SEAL PRACTICE TEST QUESTIONS
AND ANSWERS 2026
Next step after erecting the perpendicular in an equal tee layout - ANSWERSBisect
Circle
Symbol representing hot water plumbing - ANSWERSC
First measurement taken when fabricating an insulation mitre with a heel measuring 4
13/16" - ANSWERS4 13/16"
Amount of 3" scrim foil tape required to seal an 18" x 20" rectangular duct insulated with
Square feet of 1" rigid board required to insulate a 12" x 14" x 24" long rectangle duct -
ANSWERS112 square feet
Length a ½" stainless steel band needs to be cut for use on a 4" x 2" insulated iron pipe
(allowing 6 inches for tail) - ANSWERS30
2' x 4' x 1" RFK board (duct is 15' long) - ANSWERS90'
Canvas required to lag a 2" x 2" iron pipe chilled water line 22' long (allowing 2" extra for
lap) - ANSWERS40.4 square feet
Length to set dividers for the outside arc of a 6" iron pipe x 3" bevel - ANSWERS8.93
inches
AND ANSWERS 2026
Next step after erecting the perpendicular in an equal tee layout - ANSWERSBisect
Circle
Symbol representing hot water plumbing - ANSWERSC
First measurement taken when fabricating an insulation mitre with a heel measuring 4
13/16" - ANSWERS4 13/16"
Amount of 3" scrim foil tape required to seal an 18" x 20" rectangular duct insulated with
Square feet of 1" rigid board required to insulate a 12" x 14" x 24" long rectangle duct -
ANSWERS112 square feet
Length a ½" stainless steel band needs to be cut for use on a 4" x 2" insulated iron pipe
(allowing 6 inches for tail) - ANSWERS30
2' x 4' x 1" RFK board (duct is 15' long) - ANSWERS90'
Canvas required to lag a 2" x 2" iron pipe chilled water line 22' long (allowing 2" extra for
lap) - ANSWERS40.4 square feet
Length to set dividers for the outside arc of a 6" iron pipe x 3" bevel - ANSWERS8.93
inches
