Plumbing Red Seal Actual UPDATED
Exam Questions and CORRECT Answers
Trap arms and fixture drains are to be installed with roughly _____ of an inch downward
slope for every foot of trap arm length - CORRECT ANSWER- ✔✔1/4" per foot less than 3"
- 1/8" per foot 4" and higher
What can put a great deal of stress on your neck, shoulders, back, and legs when lifting heavy
objects? - CORRECT ANSWER- ✔✔not bending at your knees and keeping your back
straight
The Propane Storage and Handling Code is ______________. - CORRECT ANSWER-
✔✔B149.2-00
The wires of a thermostat are wired to terminals - CORRECT ANSWER- ✔✔R,W,G
The ideal location for a circulator pump installed in a hot water heating system is -
CORRECT ANSWER- ✔✔on the supply after the expansion tank
A toilet seat used in a public washroom must be - CORRECT ANSWER- ✔✔elongated open
front type
The most common physical characteristics used to measure the quality of water are:
temperature, taste, colour, _________ and odour - CORRECT ANSWER- ✔✔turbidity
When using grooved pipe from one manufacturer, the fittings from another manufacturer may
be used. - CORRECT ANSWER- ✔✔False
A settlement loop is installed in water distribution lines that are ______ inches or less -
CORRECT ANSWER- ✔✔2
Which of the following must the base of every soil or waste stack contain - CORRECT
ANSWER- ✔✔cleanout and expansion joint
,An oil interceptor would most likely be found in a/an: - CORRECT ANSWER- ✔✔dry
cleaning plant.
A water purveyor has the primary responsibility of: - CORRECT ANSWER- ✔✔providing
the public with a safe and potable water supply.
A one inch water service to a building may have a _____ valve as the shut-off valve for the
building. - CORRECT ANSWER- ✔✔stop-and-drain
An air conditioner that discharges 0.05 L/s of condensate into a floor drain, would equate to
how many fixture units? - CORRECT ANSWER- ✔✔2
After the inspection of a hot water heating system shows that the system pressure is in excess
of the designed operating pressure. Which device will cause this problem? - CORRECT
ANSWER- ✔✔Water-feed valve.
The state in which matter exists can be influence by these two factors: - CORRECT
ANSWER- ✔✔temperature and pressure
If the zone valve drive motor fails to operate the plumber must: - CORRECT ANSWER-
✔✔replace the defective motor.
A 120 Volt hot surface igniter can reach temperatures up to ____F - CORRECT ANSWER-
✔✔2600
Which of the following best describes an electric water heater? - CORRECT ANSWER-
✔✔one with an immersion type element
A trap arm that does not use siphonic action may change direction in a horizontal plane by up
to ____ degrees between the fixture and the vent fitting - CORRECT ANSWER- ✔✔135
, The suction pipe from the well to the house should be installed at a/an _______ slope -
CORRECT ANSWER- ✔✔upward
The maximum filling density of any propane container must never exceed ____% of the
water capacity stamped on the container - CORRECT ANSWER- ✔✔42
1. When installing a private water supply system, a qualified __________ should complete all
wiring terminations - CORRECT ANSWER- ✔✔electrician
If a wood range is to be converted to a gas range certain adjustments must be made. One
major adjustment is the: - CORRECT 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 - CORRECT ANSWER- ✔✔80
A fixture drain of the individual fixture that is not piped through one complete storey is
referred to as a: - CORRECT 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 - CORRECT
ANSWER- ✔✔False
When calculating the fixture unit load of a residence a two inch main floor drain is
considered to be ____ fixture units. - CORRECT ANSWER- ✔✔2
The common name for sodium carbonate is _________. - CORRECT 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. - CORRECT ANSWER- ✔✔Last
Which of the following will have the lowest supply pressure - CORRECT ANSWER-
✔✔manufactured gas
Exam Questions and CORRECT Answers
Trap arms and fixture drains are to be installed with roughly _____ of an inch downward
slope for every foot of trap arm length - CORRECT ANSWER- ✔✔1/4" per foot less than 3"
- 1/8" per foot 4" and higher
What can put a great deal of stress on your neck, shoulders, back, and legs when lifting heavy
objects? - CORRECT ANSWER- ✔✔not bending at your knees and keeping your back
straight
The Propane Storage and Handling Code is ______________. - CORRECT ANSWER-
✔✔B149.2-00
The wires of a thermostat are wired to terminals - CORRECT ANSWER- ✔✔R,W,G
The ideal location for a circulator pump installed in a hot water heating system is -
CORRECT ANSWER- ✔✔on the supply after the expansion tank
A toilet seat used in a public washroom must be - CORRECT ANSWER- ✔✔elongated open
front type
The most common physical characteristics used to measure the quality of water are:
temperature, taste, colour, _________ and odour - CORRECT ANSWER- ✔✔turbidity
When using grooved pipe from one manufacturer, the fittings from another manufacturer may
be used. - CORRECT ANSWER- ✔✔False
A settlement loop is installed in water distribution lines that are ______ inches or less -
CORRECT ANSWER- ✔✔2
Which of the following must the base of every soil or waste stack contain - CORRECT
ANSWER- ✔✔cleanout and expansion joint
,An oil interceptor would most likely be found in a/an: - CORRECT ANSWER- ✔✔dry
cleaning plant.
A water purveyor has the primary responsibility of: - CORRECT ANSWER- ✔✔providing
the public with a safe and potable water supply.
A one inch water service to a building may have a _____ valve as the shut-off valve for the
building. - CORRECT ANSWER- ✔✔stop-and-drain
An air conditioner that discharges 0.05 L/s of condensate into a floor drain, would equate to
how many fixture units? - CORRECT ANSWER- ✔✔2
After the inspection of a hot water heating system shows that the system pressure is in excess
of the designed operating pressure. Which device will cause this problem? - CORRECT
ANSWER- ✔✔Water-feed valve.
The state in which matter exists can be influence by these two factors: - CORRECT
ANSWER- ✔✔temperature and pressure
If the zone valve drive motor fails to operate the plumber must: - CORRECT ANSWER-
✔✔replace the defective motor.
A 120 Volt hot surface igniter can reach temperatures up to ____F - CORRECT ANSWER-
✔✔2600
Which of the following best describes an electric water heater? - CORRECT ANSWER-
✔✔one with an immersion type element
A trap arm that does not use siphonic action may change direction in a horizontal plane by up
to ____ degrees between the fixture and the vent fitting - CORRECT ANSWER- ✔✔135
, The suction pipe from the well to the house should be installed at a/an _______ slope -
CORRECT ANSWER- ✔✔upward
The maximum filling density of any propane container must never exceed ____% of the
water capacity stamped on the container - CORRECT ANSWER- ✔✔42
1. When installing a private water supply system, a qualified __________ should complete all
wiring terminations - CORRECT ANSWER- ✔✔electrician
If a wood range is to be converted to a gas range certain adjustments must be made. One
major adjustment is the: - CORRECT 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 - CORRECT ANSWER- ✔✔80
A fixture drain of the individual fixture that is not piped through one complete storey is
referred to as a: - CORRECT 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 - CORRECT
ANSWER- ✔✔False
When calculating the fixture unit load of a residence a two inch main floor drain is
considered to be ____ fixture units. - CORRECT ANSWER- ✔✔2
The common name for sodium carbonate is _________. - CORRECT 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. - CORRECT ANSWER- ✔✔Last
Which of the following will have the lowest supply pressure - CORRECT ANSWER-
✔✔manufactured gas
