Plumbing RED SEAL Questions 100%
Correct Solutions
The maximum filling density of any propane container must never exceed ____% of the
water capacity stamped on the container - ANSWER 42
1. When installing a private water supply system, a qualified __________ should
complete all wiring terminations - ANSWER electrician
If a wood range is to be converted to a gas range certain adjustments must be
made. One major adjustment is the: - ANSWER replacement of manual dampers
with barometric dampers
When an eye is properly formed in a wire rope with the use of a thimble, the eye will
have approximately ______ percent - ANSWER 80
A fixture drain of the individual fixture that is not piped through one complete storey
is referred to as a: - ANSWER fixture drain.
Fixtures that are not part of a wet vent group may connect to the wet vent branch
and the hydraulic load going into the vent does not have to be included in the wet
vent - ANSWER False
When calculating the fixture unit load of a residence a two inch main floor drain
is considered to be ____ fixture units. - ANSWER 2
,The common name for sodium carbonate is _________. - ANSWER soda ash
When a series of water treatment devices are required for a water treatment
system the water softener is always located _________ in the series. - ANSWER Last
Which of the following will have the lowest supply pressure - ANSWER manufactured
gas
Which table should be consulted to determine cleanout size and spacing - ANSWER
4.7.2
Which water systemmay not provide adequate pressure for upper floors of a building -
ANSWER forced system
Over sizing a boiler could result in - ANSWER the boiler cycling on and
offmore frequently
A _________ is a device that replaces the pressure tank and pressure switch on a private
water supply system. - ANSWER Mascontrol
If 1/2 inch PEX tubing is used in a radiant heating system the manufacture
recommends a maximum length of _____ feet. - ANSWER 300
A cast iron boiler will have its heat exchanger constructed of - ANSWER cast iron
Over tightening the bolts on a water closet during installation could result in -
ANSWER the bowl or tank breaking from stress
, Which of the following best describes a dual check valve backflow preventer. - ANSWER
used when a hazard is minor in a residential application
The safety device built into an acetylene cylinder is - ANSWER a fusible link
Gas room heaters installed in hallways in homes for the elderly should? - ANSWER must
be vented type
A double tee wye can be used for connection of two back outlet water closets in a back
to back installation. - ANSWER False ( this allows both branches to drain into each
other, need double wye )
How many main categories of check valves are there - ANSWER 3
The Rule Of Thumb (ROT) vent sizing may only be used to determine the vent sizing f -
ANSWER all of the above.
Thermally operated dampers are constructed so that the damper falls closed if
the bimetal fail - ANSWER False
Which of the following best describes a relay coil? - ANSWER When energized
it activates contacts to either open or close.
Nominally vertical means an angle not more than _______degrees of the vertical? -
ANSWER 45
If a pipe wrench fails to operate with normal ratchet like action, it is likely the spring is
worn out - ANSWER True
Correct Solutions
The maximum filling density of any propane container must never exceed ____% of the
water capacity stamped on the container - ANSWER 42
1. When installing a private water supply system, a qualified __________ should
complete all wiring terminations - ANSWER electrician
If a wood range is to be converted to a gas range certain adjustments must be
made. One major adjustment is the: - ANSWER replacement of manual dampers
with barometric dampers
When an eye is properly formed in a wire rope with the use of a thimble, the eye will
have approximately ______ percent - ANSWER 80
A fixture drain of the individual fixture that is not piped through one complete storey
is referred to as a: - ANSWER fixture drain.
Fixtures that are not part of a wet vent group may connect to the wet vent branch
and the hydraulic load going into the vent does not have to be included in the wet
vent - ANSWER False
When calculating the fixture unit load of a residence a two inch main floor drain
is considered to be ____ fixture units. - ANSWER 2
,The common name for sodium carbonate is _________. - ANSWER soda ash
When a series of water treatment devices are required for a water treatment
system the water softener is always located _________ in the series. - ANSWER Last
Which of the following will have the lowest supply pressure - ANSWER manufactured
gas
Which table should be consulted to determine cleanout size and spacing - ANSWER
4.7.2
Which water systemmay not provide adequate pressure for upper floors of a building -
ANSWER forced system
Over sizing a boiler could result in - ANSWER the boiler cycling on and
offmore frequently
A _________ is a device that replaces the pressure tank and pressure switch on a private
water supply system. - ANSWER Mascontrol
If 1/2 inch PEX tubing is used in a radiant heating system the manufacture
recommends a maximum length of _____ feet. - ANSWER 300
A cast iron boiler will have its heat exchanger constructed of - ANSWER cast iron
Over tightening the bolts on a water closet during installation could result in -
ANSWER the bowl or tank breaking from stress
, Which of the following best describes a dual check valve backflow preventer. - ANSWER
used when a hazard is minor in a residential application
The safety device built into an acetylene cylinder is - ANSWER a fusible link
Gas room heaters installed in hallways in homes for the elderly should? - ANSWER must
be vented type
A double tee wye can be used for connection of two back outlet water closets in a back
to back installation. - ANSWER False ( this allows both branches to drain into each
other, need double wye )
How many main categories of check valves are there - ANSWER 3
The Rule Of Thumb (ROT) vent sizing may only be used to determine the vent sizing f -
ANSWER all of the above.
Thermally operated dampers are constructed so that the damper falls closed if
the bimetal fail - ANSWER False
Which of the following best describes a relay coil? - ANSWER When energized
it activates contacts to either open or close.
Nominally vertical means an angle not more than _______degrees of the vertical? -
ANSWER 45
If a pipe wrench fails to operate with normal ratchet like action, it is likely the spring is
worn out - ANSWER True
