BCIT JOINING EXAM
Piping or tubing ends may be correct answersThreaded, grooved or plain
Metal or plastic drainage piping and fittinghs may have what type of
ends? correct answersHub and spigot or plain ends
Only heavier piping (malleable iron or galvanized iron) is threaded
correct answers
Cast iron soil pipe has plain ends and is reffered to as correct answersMJ
(mechanical joint coupling)
all copper-to-copeer tpye joints in natrual gas piping must be .... correct
answersall copper-to-copeer tpye joints in natural gas piping must be ....
BRAZED
Socket welding is used primarily for pipe sizes smaller then correct
answers2'' (inchs) NPS
PEX A correct answersEngel method using high-pressure
peroxide PEX B correct answersThe silane method using
water vapour
PEX C correct answersThe Radiation method using an
electron beam
Cross linked polyethylene (PEX) increaes the strenght in correct
answersCross linked polyethylene (PEX) increaes the strenght in
pressure and Temperature rating of polyethylene.
Should you use metal hangers when haning plastic pipe? correct
answersNO do not use metal hangers with sharp or abrasive endges (only
use hangers made for plastic pipe)
PEX expands about 1 inch for every F? change per 100 ft correct
answersPEX expands about 1 inch for every 10 F change per 100 feet
Piping or tubing ends may be correct answersThreaded, grooved or plain
Metal or plastic drainage piping and fittinghs may have what type of
ends? correct answersHub and spigot or plain ends
Only heavier piping (malleable iron or galvanized iron) is threaded
correct answers
Cast iron soil pipe has plain ends and is reffered to as correct answersMJ
(mechanical joint coupling)
all copper-to-copeer tpye joints in natrual gas piping must be .... correct
answersall copper-to-copeer tpye joints in natural gas piping must be ....
BRAZED
Socket welding is used primarily for pipe sizes smaller then correct
answers2'' (inchs) NPS
PEX A correct answersEngel method using high-pressure
peroxide PEX B correct answersThe silane method using
water vapour
PEX C correct answersThe Radiation method using an
electron beam
Cross linked polyethylene (PEX) increaes the strenght in correct
answersCross linked polyethylene (PEX) increaes the strenght in
pressure and Temperature rating of polyethylene.
Should you use metal hangers when haning plastic pipe? correct
answersNO do not use metal hangers with sharp or abrasive endges (only
use hangers made for plastic pipe)
PEX expands about 1 inch for every F? change per 100 ft correct
answersPEX expands about 1 inch for every 10 F change per 100 feet
