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Trap arms and fixture drains are to be installed with roughly how much of an inch downward slope for every foot of trap arm length?
A. Half
B. Seven Eighths
C. Three Quarters
D. One Quarter
D. One Quarter
What can put a great deal of stress on your neck, shoulders, back, and legs when lifting heavy objects?
A. Bending your knees when lifting heavy objects
B. Keeping your knees straight and bending keeping your back straight
C. Not bending at your knees and keeping your back straight
C. Not bending at your knees and keeping your back straight.
The Propane Storage and Handling Code is:
A. B149.2-00
B. B148.1-00
C. B149.1-00
A. B149.2-00
The wires of a thermostat are wired to terminals:
A. R,Y,G
B. R,W,G
C. W,Y,G
D. W,G,COM
B. R,W,G
Where is the ideal location for a circulator pump installed in a hot water heating system?
A. On the supply after the zone valve.
B. On the supply before the expansion tank.
C. ON the supply after the expansion tank.
D. On the return close to the boiler.
C. On the supply after the expansion tank.
A toilet seat used in a public washroom must be?
A. Cover-less type
B. Round type
C. Plastic non-permeable type
D. Elongated open front type
D. Elongated open front type.
The most common physical characteristics used to measure the quality of water are temperature, taste, colour, odour, and what?
A. Turbidity
B. Flow
C. Grains
D. Bacteria
A. Turbidity
What is the possible consequence if you perform infection control procedures incorrectly and a client becomes infected or harmed?
A. You may receive jail time if found guilty of negligence
B. You will have to perform community service hours
C. You may be found legally responsible for their injuries or infection
D. You will be fined $150,000
A. You may receive jail time if found guilty of negligence.
When using grooved pipe from one manufacturer, the fittings from another manufacturer may be used.
True or False?
False
A settlement loop is installed in water distribution lines that are ______ inches or less:
A. 2
B. 3
C. 5
D. 4
A. 2
Which of the following must the base of every soil or waste stack contain?
A. Building Drain
B. Floor Drain
C. Cleanout and expansion joint
D. TY
C. A cleanout and expansion joint.
Where would an oil interceptor most likely be found:
A. Commercial Kitchen
B. Laundromat
C. Dry cleaning plant.
D. Car Wash
C. Dry Cleaning Plant
A water purveyor has the primary responsibility of:
A. Ensuring safe removal of sewer waste.
B. Ensuring potable water is handled safely within a consumers residence
C. Providing the public with a safe and potable water supply.
D. Purifying all water sources.
C. 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.
A. Backflow
B. Separate Drain
C. Stop-and-drain
D. Ball cock
C. 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?
A. 2
B. 1
C. 5
D. 11
A. 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?
A. Pressure relief valve
B. Water-feed valve
C. Circulator
D. Outdoor compensator
B. Water-feed valve
The state in which matter exists can be influence by these two factors:
A. Volume and weight
B. Pressure and weight
C. Temperature and pressure
D. Hot and cold
C. Temperature and pressure
If the zone valve drive motor fails to operate the plumber must:
A. Recalibrate the heat anticipator
B. Add glycol to the system
C. Replace the defective motor
D. Increase the system pressure
C. Replace the defective motor
A 120 Volt hot surface igniter can reach temperatures up to ____F
A. 1800
B. 3100
C. 2600
D. 1200
C. 2600
Which of the following best describes an electric water heater?
A. Direct Fired
B. One with an immersion type element
C. Instantaneous
B. One with an immersion type element
If two of your colleagues are having a dispute, the best thing for you to do is?
A. Pick a side
B. Take it personally
C. Encourage the arguement
D. Remain neutral
D. Remain neutral
When calculating the required infiltration area for a disposal field, it is recommended to use worksheet _______ to assist with the calculations.
A. F
B. E
C. H
D. B
A. F
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.
A. 135
B. 150
C. 175
D. 200
A. 135
The suction pipe from the well to the house should be installed at a/an _______ slope.
A. Upward
B. Level
C. Downward
D. Negative
A. Upward
The maximum filling density of any propane container must never exceed ____% of the water capacity stamped on the container
A. 97
B. 80
C. 42
D. 56
C. 42
When installing a private water supply system, a qualified __________ should complete all wiring terminations.
A. Welder
B. Inspector
C. Plumber
D. Electrician
D. Electrician
If a wood range is to be converted to a gas range certain adjustments must be made. One major adjustment is the:
A. Burner control valve must be made inaccessible
B. Replacement of manual dampers with barometric dampers
C. Fact that this can not be done according to code
D. Vent must be increased to a minimum of 6 inches
B. Replacement of manual dampers with barometric dampers
Which of the following describes a pipe wrench?
A. It has serrated jaws
B. Used to grip flat sided objects
C. Used when piping runs are too close together
D. Used for tightening valves and hexagonal items
E. Used on polished and special finished
F. Useful for odd sized nuts
A. It has serrated jaws
When an eye is properly formed in a wire rope with the use of a thimble, the eye will have approximately ______ percent:
A. 50
B. 80
C. 90
D. 75
B. 80
A fixture drain of the individual fixture that is not piped through one complete storey is referred to as a
A. Trap Arm
B. Stack Vent
C. Fixture Drain
D. Back Vent
C. 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.
True or False?
False
When calculating the fixture unit load of a residence a two inch main floor drain is considered to be ____ fixture units
A. 1.5
B. 4
C. 3
D. 2
D. 2
The common name for sodium carbonate is _________.
A. Grain
B. Soda ash
C. Oxidation
D. Flocculation
B. Soda ash
Which of the following will have the lowest supply pressure?
A. Propane
B. Manufactured Gas
C. Natural Gas
D. Butane Gas
B. Manufactured Gas
When a series of water treatment devices are required for a water treatment system the water softener is always located _________ in the series.
A. First
B. Immediately after the chlorinator
C. As Convenient
D. Last
D. Last
Which table should be consulted to determine cleanout size and spacing?
A. 2.4.9.3
B. 2.4.7.2
C. 2.1.10.2
D. 2.4.7.1
B. 2.4.7.2
Which water systemmay not provide adequate pressure for upper floors of a building?
A. Forced System
B. Gravity Feed
A. Forced System
Over sizing a boiler could result in
A. A cooling of the controlled space
B. The temperature dropping below the set point
C. Not enough heat for the residence
D. The boiler cycling on and off more frequently
D. The boiler cycling on and off more frequently
A 20 inch high and 32 inch long convector wall unit that has 65 degree Fahrenheit entering air temperature and hot water at 215 degrees Fahrenheit will have a MBH rating of:
A. 8.6
B. 6.6
C. 7.6
D. 4.4
C. 7.6
A _________ is a device that replaces the pressure tank and pressure switch on a private water supply system.
A. Bladder Tank
B. Pressure Cell
C. Elastic Cell
D. Mascontrol
D. Mascontrol
If 1/2 inch PEX tubing is used in a radiant heating system the manufacture recommends a maximum length of _____ feet.
A. 400
B. 100
C. 200
D. 300
D. 300
A cast iron boiler will have its heat exchanger constructed of:
A. Copper
B. Cast Iron
C. Steel
D. Stainless Steel
B. Cast Iron
Over tightening the bolts on a water closet during installation could result in:
A. The bolts bending
B. The bowl or tank breaking from stress
C. The wax seal not sealing properly
D. Severe difficulty when trying to remove them
B. The bowl or tank breaking from stress
Which of the following best describes a dual check valve backflow preventer?
A. Installed at the spout outlet
B. Used in heating applications where the hazards are minor or moderate
C. Protects from back siphonage and not designed for continuous use
D. Used when a hazard is minor in a residential application
D. Used when a hazard is minor in a residential application
The safety device built into an acetylene cylinder is:
A. A relief valve
B. A fusible link
C. A double-seated valve
D. There are none
B. A fusible link
Gas room heaters installed in hallways in homes for the elderly:
A. May be unvented
B. Must be vented type
C. Should have a projecting flue box
D. Should not have a projecting flue box
B. 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.
True or False?
False
How many main categories of check valves are there?
A. 5
B. 4
C. 3
D. 2
C. 3
The Rule Of Thumb (ROT) vent sizing may only be used to determine the vent sizing for:
A. Appliances equipped with draft hoods
B. All of the above
C. Fan assisted furnaces
D. Draft hood equipped unit heaters
B. All of the above
Thermally operated dampers are constructed so that the damper falls closed if the bimetal fails.
True or False?
False
Which of the following best describes a relay coil?
A. When energized it activates contacts to either open or close
B. A device used to isolate instrument transformers
C. A low impedance device used to verify that a mechanical action has been completed
D. An electronic module that transfers input data
A. When energized it activates contacts to either open or close
Nominally vertical means an angle not more than _______degrees of the vertical?
A. 22.5
B. 45
C. 11.25
D. 60
B. 45
If 800ft of piping weighs 1000lbs, 180ft of piping would weigh?
A. 235lbs
B. 245lbs
C. 216lbs
D. 225lbs
D. 225lbs
If a pipe wrench fails to operate with normal ratchet like action, it is likely the spring is worn out.
True or False?
True
One inch medical gas piping that is run vertically must be supported at least every ___ m
A. 3.0
B. 1.8
C. 4.2
D. 2.4
D. 2.4
What device is used to measure flue gas temperature?
A. Pyrometer
B. Dragger Tube
C. Draft Tube
D. Micrometer
A. Pyrometer
What is the problem with a thermostat if the heating system cycles too often?
A. There is a break in the wiring to the thermostat
B. Contacts are dirty
C. The wrong voltage thermostat is installed
D. The thermostat is exposed to direct sunlight or a heat source
D. The thermostat is exposed to direct sunlight or a heat source
A double compartment kitchen sink is being replaced with a triple compartment kitchen sink. What drainage changes are necessary to complete the installation?
A. Fixture outlet length cannot be less than 1.2 m
B. The fixture trap and fixture drain is to be one pipe size larger than largest sink outlet
C. The garbage grinder must be installed in the middle compartment
D. Another plumbing trap and vent is required for the extra sink.
B. The fixture trap and fixture drain is to be one pipe size larger than largest sink outlet
Which of the following is the minimum size of a clean-out needed on a 6" sanitary building drainage main clean out?
A. 5in
B. 2in
C. 6in
D. 4in
D. 4in
What is required to activate an electronically controlled water on/off device for a sink?
A. A timer activates the fixture
B. A motion switch turns on the fixture
C. A beam of light is interrupted
D. A user touches the fixture
C. A beam of light is interrupted
If a backwater valve is installed in a building drain it must be:
A. Normally Open
B. Normally Closed
A. Normally Open
Water heaters, hose bibs and sill cocks are normally protected from backflow with:
A. An air break
B. An air gap
C. A RPBP
D. A vacuum breaker
D. A vacuum breaker
An aquastat on a hot water system will open when:
A. There is an electrical short circuit
B. High maximum temperature is reached
C. Enough hot water is available
D. Water pressure is too high
B. High maximum temperature is reached
Due to water pressure and sudden changes in water velocity it is imperative that _______ be installed at every point where the water distribution pipe changes direction or elevation.
A. Air relief valves
B. Thrust blocks
C. Flexible seals
D. Asbestos-Cement
B. Thrust blocks
What is a document that outlines all the duties and responsibilities of a particular position?
A. Job Posting
B. Job Description
C. Job Transcript
D. Contract
B. Job Desription
Which of the following best describes a fuse?
A. A thermal, non conductive device that opens on voltage fluctuations
B. A device that interrupts current at a certain set value
C. A type of solenoid activated by a temperature sensing device
D. A magnetic coil that monitors motor heating
B. A device that interrupts current at a certain set value
What is the included point angle of a twist drill?
A. 90 degrees
B. 118 degrees
120 degrees
132 degrees
B. 118 degrees
When the floor area is sprinklered, which of the following is not an acceptable way of venting smoke?
A. Openable windows
B. Building exhaust system
C. Fixed glass windows
D. Smoke shafts
C. Fixed glass windows
What minimum depth in mm should drainage pipe be buried?
A. 400
B. 350
C. 300
D. 450
C. 300
What is required when installing a deep well jet pump?
A. Foot valve is required on the jet suction line
B. Modulating valve is required on the pump suction line
C. Relief valve is required with centrifugal jet pumps
D. Check valve is required on the pump discharge
A. Foot valve is required on the jet suction line
What piping arrangement would ensure that domestic hot water is readily available to a plumbing fixture?
A. Parallel piping loop on the water system
B. Recirculation line on the water system
C. Mixing valve piped with hot and cold water
B. Recirculation line on the water system
If you found that you have a standing pressure of 7 inches w.c. and an operating pressure of 5.9 inches w.c. then:
A. The regulator needs to be replaced
B. The gas line has been oversized
C. It is acceptable
D. the gas line is undersized
D. the gas line is undersized
The 120 Volt power supply for a humidifier can be supplied by connecting to _______ contacts on the electronic control board.
A. L1 and L2
B. R and G
C. R and Y
D. HTG ACC and COM
D. HTG ACC and COM
A branch with 34 fixture units discharges into a sewage sump. What is the minimum size vent required for the sump?
A. 2"
B. 1.5"
C. 3"
D. 4"
C. 3"
The following device can be used to prevent backflow into a potable water system:
A. Double check valve assembly (DCVA)
B. Reduced pressure principle assembly (RP)
C. Pressure vacuum breaker (PVB)
D. All of the above
D. All of the above
If a kitchen sink in a single family dwelling unit is individually vented it requires a vent pipe that is ____ inches.
A. 2.25
B. 2
C. 1.25
D. 1.5
C. 1.25
The heat exchanger in a mid efficiency furnace is intended to transfer heat from the:
A. Circulating air to the room air
B. Combustion chamber to the cold air return
C. Combustion chamber to the circulating air
D. Cold air return to the combustion chamber
C. Combustion chamber to the circulating air
When using a U-tube meniscus the pressure is measured by:
A. Reading the value on the left side of the meter
B. Reading the value of the right side of the meter
C. Calculating the difference between the levels on either side
D. Calculating the distance from the zero mark to the liquid level
C. Calculating the difference between the levels on either side
When sizing water lines it should be considered that
A. half of the fixtures will be on
B. All the fixtures will be on
C. three quarters of the fixtures will be on
D. Water lines should be sized for 1.5 times the fixture unit total
B. All the fixtures will be on
When performing a hot tapping operation, it is recommended to be prepared to shut down the pressurized piping system, in case an unsafe situation occurs.
True or False?
True
An appliance has a high altitude rating for 4500 feet above sea level. For every additional thousand feet above the 4500 feet above sea level the input rating of the appliance must be derated by ______ percent.
A. 10
B. 6
C. 8
D. 4
D. 4
When installing automatic air vents on a hot water heating system you must make sure that it is:
A. Must be installed so it is inaccessible
B. Located on the highest point in the system
C. Mounted in a horizontal position
D. Directly in line with the water
B. Located on the highest point in the system
When installing gang showers, the showerheads must be ______inches apart.
A. 35
B. 30
C. 45
D. 40
B. 30
A roof where people can go and do such things as sun-tanning must have its vent terminal at least _____ metre(s) above the roof.
A. 0.5
B. 1.0
C. 2.0
D. 1.5
C. 2.0
An underground water-bearing strata that is capable of yielding a supply of water is the definition of a/an ________
A. Aquifer
B. Submergence
C. Turbidity
D. Annulus
A. Aquifer
What material are the majority of twist drills made from?
A. High speed steel
B. O1 tool steel
C. Ceramics
D. Cubic boron nitride
A. High speed steel
Where would a floor mounted hydronic cooling convector be located in a room?
A. On the wall with the highest heat gain
B. On the floor with the highest heat gain
C. On the wall with the lowest heat gain
D. Near the occupied area of the room
A. On the wall with the highest heat gain
The pressure system of a private water supply system should provide a volume of flow at least equal to:
A. the size of the water pump
B. Two times the peak demand
C. The size of the pressure tank
D. The peak demand
D. The peak demand
Which of the following does streptococci cause?
A. Pneumonia
B. Tetanus
C. Strep throat and blood poisoning
D. Abscesses, pustules, and boils
C. Strep throat and blood poisoning
What type of plastic pipe is used for distilled water and de-ionized water systems?
A. Polybutylene
B. Pigmented polypropylene
C. Unpigmented polypropylene
D. Glazed crosslink polyethylene
C. Unpigmented polypropylene
Which of the following describes reduced pressure fall-off?
A. The change in the reduced flow pressure below the no-flow pressure required to open the valve
B. The pressure maintained in a system by a reducing valve when no water is flowing
C. An occurrence created only with a parallel pressure reducing valve installation
D. The pressure maintained by the valve when water is flowing
A. The change in the reduced flow pressure below the no-flow pressure required to open the valve
At what angle is the point on a centre punch ground?
A. 90 degrees
B. 60 degrees
C. 120 degrees
D. 100 degrees
A. 90 degrees
Which of the following is not a type of pressure tank used on private water supply systems?
A. Spinning disc
B. Diaphram
C. Floating disc
D. Bladder
A. Spinning disc
Which of the following best describes the term "rainwater leaders"?
A. A vertical portion of a pipe that comes off the eave trough
B. A device used for checking water flow in a gravity drainage system
C. A vertical rainwater pipe often connected to a downspout
D. An exterior channel installed at the base of a sloped roof to convey storm water
C. A vertical rainwater pipe often connected to a downspout
On propane 2-psi residential system the system regulator must be installed within ____metres of the exterior wall if it is installed outdoors.
A. 4
B. 1
C. 2
D. 3
B. 1
What is the minimum trap size of a bidet?
A. 2"
B. 2.25"
C. 1.5"
D. 1.25"
D. 1.25"
Washbasins in a female public washroom should be:
A. Barrier-free accessible in all cases
B. Not visible from the entrance to the room in all cases
C. Provided with shut-off valves installed on the water supply to the fixture
D. Equal to the number of required water closets in the washroom
C. Provided with shut-off valves installed on the water supply to the fixture
As piping in a hot water system drops it is important to install a ______ before the piping drops.
A. Lockshield valve
B. High point vent
C. Zone valve
D. Branch offset
B. High point vent
In some case piping can rise to a sufficient high level to prevent back siphonage. A piping that rises at least 35 feet above the highest fixture it supplies is an example of the:
A. Check valve
B. Barometric loop
C. Area isolation
D. Back siphonage preventer
B. Barometric loop
A multiple-impeller pump design is used to increase the _______ of the water leaving the pump.
A. Velocity
B. Temperature
C. Pressure
D. Flow
C. Pressure