Plumbing Red Seal Questions with complete solutions

Trap arms and fixture drains are to be installed with roughly _____ of an inch downward slope for every foot of trap arm length - 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? - not bending at your knees and keeping your back straight The Propane Storage and Handling Code is ______________. - B149.2-00 The wires of a thermostat are wired to terminals - R,W,G The ideal location for a circulator pump installed in a hot water heating system is - on the supply after the expansion tank A toilet seat used in a public washroom must be - elongated open front type The most common physical characteristics used to measure the quality of water are: temperature, taste, colour, _________ and odour - turbidity When using grooved pipe from one manufacturer, the fittings from another manufacturer may be used. - False A settlement loop is installed in water distribution lines that are ______ inches or less - 2 Which of the following must the base of every soil or waste stack contain - cleanout and expansion joint An oil interceptor would most likely be found in a/an: - dry cleaning plant. A water purveyor has the primary responsibility of: - 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. - 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? - 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? - Water-feed valve. The state in which matter exists can be influence by these two factors: - temperature and pressure If the zone valve drive motor fails to operate the plumber must: - replace the defective motor. A 120 Volt hot surface igniter can reach temperatures up to ____F - 2600 Which of the following best describes an electric water heater? - 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 - 135 The suction pipe from the well to the house should be installed at a/an _______ slope - upward The maximum filling density of any propane container must never exceed ____% of the water capacity stamped on the container - 42 When installing a private water supply system, a qualified __________ should complete all wiring terminations - electrician