Fourth Year - Plumbing Interprovincial Practice Exam 2[][][][][][][][][][][][][][][][][][][][][] Flashcards
What sling configuration would be rated with the most capacity for a lifting procedure?
A. Single verticle leg.
B. Choker with single vertical leg.
C. Basket sling with 2 vertical legs.
D. Basket sling with 2 inclined vertical legs.
C. Basket sling with 2 vertical legs.
Referring to the figure below, what is the size of the gas supply line for the steamer (item #195)?
A. 13 mm.
B. 19 mm.
C. 25 mm.
D. 32 mm.
B. 19 mm.
Referring to the figure below, what is the size of the cold water supply piping required for the stacking oven (item #258)?
A. 6 mm.
B. 13 mm.
C. 19 mm.
D. 25 mm.
A. 6 mm.
Referring to the figure below, how many ball valves must be ordered to assemble the sytem shown?
A. 10.
B. 12.
C. 13.
D. 14.
B. 12.
A 4” diameter stainless steel pipe is 26.5 m (86.9 feet) in length and requires hangers to be placed at 1.6 m (5.25 feet) intervals. How many hangers are required to support the pipe with hangers at both ends of the run?
A. 16.
B. 17.
C. 18.
D. 19.
C. 18.
A 6” NPS (150 mm) cast iron soil pipe with a 1/4” (6 mm) wall thickness require a sleeve. What is the minimum inside diameter of the sleeve required? (No room is required for annular space)
A. 150 mm (Metric) 6” (Imperial).
B. 156 mm (Metric) 6 1/4” (Imperial).
C. 162 mm (Metric) 6 1/2” (Imperial).
D. 212 mm (Metric) 8 1/2” (Imperial).
C. 162 mm (Metric) 6 1/2” (Imperial).
What is the minimum ground cover for underground gas piping?
A. 300 mm (Metric) 12” (Imperial).
B. 375 mm (Metric) 15” (Imperial).
C. 450 mm (Metric) 18” (Imperial).
D. 600 mm (Metric) 24” (Imperial).
B. 375 mm (Metric) 15” (Imperial).
What sequence of plumbing procedures applies before a plumbing system is covered?
A. Install, Test, Inspect and Obtain a permit.
B. Obtain a permit, Install, Test and Inspect.
C. Install, Test, Obtain a permit and Inspect.
D. Obtain a permit, Install, Inspect and Test.
B. Obtain a permit, Install, Test and Inspect.
A safety line should be attached to what part of the safety harness?
A. The back.
B. The front.
C. The chest.
D. Both the front and the back.
A. The back.
What piping installing would require a “fire donut”?
A. DWV coppper passing through a fire rated floor.
B. Cast iron passing through fire rated wall[][][][][][][]
C. ABS piping passing through a fire rated celing[]]
D. Ductile iron passing through a fire rated floor[][]]
C. ABS piping passing through a fire rated celing.
A plumber must install a one inch black iron pipe in a small space. Which of the following tools would be best suited for the job?
A. Offset wrench.
B. Compound wrench.
C. Chain wrench[][][][][]]
D. Angle wrench[][][][][]
C. Chain wrench.
Which tool would be used to add a chrome plated extension to a tail piece?
A. Chain wrench.
B. Basin wrench[]
C. Strap wrench[][]
D. Crescent wrench.
C. Strap wrench.
Which procedure would correct a tube cutter that is spiraling along copper pipe?
A. Change the cutter wheel to a larger size.
B. Tighten rollers and cutter wheel pins[][][]]
C. Increase the cutter wheel tension when cutting.
D. Rotate only in a counter clockwise motion[][][][][]
B. Tighten rollers and cutter wheel pins.
What is the purpose of the notched wheel rollers on a copper tube cutter?
A. Allow room for the pipe to displace when cut.
B. Make a space for cutting materials to collect[]
C. Flex slightly and prevent the crushing of the tube.
D. To permit the cutting of tubing close to a flare[][][]]
D. To permit the cutting of tubing close to a flare.
Which procedure and weight of tube would ensure a continuous 90 degree bend without crimping the tube?
A. Use an external spring bender and type M copper tube.
B. Use a lever style tube bender and type L copper tube[][]
C. Hand bending using a minimum of type M copper tube[]
D. Swedge using a minimum of type L copper tube[][][][][][]]
B. Use a lever style tube bender and type L copper tube.
Using the correct heating process, what would cause the solder to bead up and fall off the copper tube and fitting instead of penetrating the joint during the soldering process?
A. The inside of the pipe was not cleared.
B. There was no flux applied to tube and fitting.
C. There was not enough heat applied[][][][][][][][]
D. The solder has too low of a melting point[][][]
B. There was no flux applied to tube and fitting.
A length of 3 inch ABS pipe is to be installed between two 45° elbows. The center to center dimension between the 45° elbows is 55 1/2” and the fitting allowance for a 45° elbow is 15/16”. What is the cut length of the ABS pipe?
A. 52 1/2”.
B. 53 5/8”.
C. 54 3/16”.
D. 55 1/2”.[]
B. 53 5/8”.
What steps are followed to join bell and spigot plastic pipe in a drainage system?
Cut pipe square, ream inside and outside surfaces of pipe, lubricate outside of pipe and inside of fitting and push pipe together using a push bar or shovel.
What is the order of operation for installing a compression fitting?
A. Cut, Ream, Compression nut.
B. Cut, Ferrule, Ream, Compression nut.
C. Cut, Ream, Compression nut, Ferrule.
D. Ream, Ferrule, Cut, Compression nut.
C. Cut, Ream, Compression nut, Ferrule.
Referring to the figure below, what is the cut length of pipe #5 if the center to center dimension is 940 mm?
A. 840 mm.
B. 864 mm.
C. 878 mm.
D. 902 mm.
C. 878 mm.
Referring to the figure below, which marking indicates the material designation for this tee?
A. A.
B. B.
C. C.
D. D.
B. B.
When laying out a gasket for an 8 hole flange what is the angle used to determine the bolt hole spacing?
A. 22 1/2°.
B. 30°[][][]]
C. 45°[][][]]
D. 90°[][][]
C. 45°.
What is the minimum depth of cold caulking compound required for a 150 mm (6 inch) cast iron hub and spigot joint in an underground drainage system?
A. 20 mm.
B. 25 mm.
C. 38 mm.
D. 150 mm.
B. 25 mm.
What is the process for assembling a field cut piece of glass pipe to a factory beaded piece of glass pipe?
Remove roughness from outside of the field cut and use manufacturer’s coupling designed for this application.
Where is an 8 inch 1500 non-pressure asbestos cement sewar pipe allowed for installation?
A. Above ground inside a building.
B. Above ground in a venting system.
C. Underground in a potable water system.
D. Underground under a building[][][][][][][][][]
D. Underground under a building.
How is the base inside a “poured in place” sanitary manhole constructed?
A. Graded from the center of base to walls.
B. Level throughout[][][][][][][][][][][][][][][][][][][][][]]
C. Channeled in direction of flow[][][][][][][][][]]
D. Channeled away from direction of flow[]
C. Channeled in direction of flow.
To protect drainage piping in a trench, what is the minimum cover to be placed and tamped?
A. 150 mm above pipe.
B. 300 mm above pipe.
C. 150 mm below finished grade.
D. 300 mm below finished grade.
B. 300 mm above pipe.
A 4” building sewar must run 75m from the building to a manhole, at minimum grade. Calculate the total fall on the line.
A. 0.5 m.
B. 0.75 m.
C. 1.0 m[][]
D. 1.5 m[]]
B. 0.75 m.
Using a builders level, the backsight reading at the benchmark is 1.450 m and the foresight reading at the destination point is 1.750 m. What is the elevation of the destination point if the benchmark’s elevation is 100.00 m.
A. 101.450 m.
B. 101.750 m.
C. 99.750 m[]
D. 99.700 m[]
D. 99.700 m.
Which table from the National Plumbing Code is used to determine the size of a storm building drain?
A. 2.4.10.9.
B. 2.4.10.6.A.
C. 2.4.10.6.B.
D. 2.4.10.6.C.
A. 2.4.10.9.
A combined building sewar has a hydraulic load of 345 fixture units and 9 280 liters of rainwater. What is the minimum size of pipe required for a slope of 1 in 100?
A. 4.
B. 6.
C. 8.
D. 10.
C. 8.
What procedure is used to determine a soil’s ability to accept a private sewage disposal system?
A. Sand in jar test.
B. Percolation test.
C. Squirt test[][][][][]
D. Soil saturation test.
B. Percolation test.
What is done to prevent freezing of an (pumped) effluent line leaving the septic tank?
A. Lower the effluent line below frost level.
B. Use more hot water in the building[][][][][]
C. Install a forst box where more than 1.2 m of cover.
D. Increase the effluent line one pipe size[][][][][][][][][]]
A. Lower the effluent line below frost level.
What is the purpose of installing a screen around an effluent pump in a septic tank?
A. Prevents the pump from plugging.
B. Prevents solids from entering the gravity distribuion.
C. Prevents solids from entering the pressure distribution.
D. Prevents solids from entering the effluent chamber[][][]]
A. Prevents the pump from plugging.
C. Prevents solids from entering the pressure distribution.
What device controls the intervals at which effluent is discharged to a gravity fed distribution field?
A. Float switch.
B. Pump control panel.
C. Bell and siphon[][][][]
D. Effluent diverter valve.
C. Bell and siphon.
Percolation tests indicate that the soil in the area selected for a disposal field has a percolation rate of 92 minutes per inch. What type of effluent treatement system is required?
A. Gravity effluent disposal system using perforated pipe.
B. Gravity effluent disposal system using chambers[][][][][]]
C. Pressure distribution into a chamber system[][][][][][][][][]]
D. Pressure distribution into a sand bed mound[][][][][][][][]]
D. Pressure distribution into a sand bed mound.
A three piece basement plumbing rough-in includes a water closet, bathtub and lavatory. Determine the minimum size of wet vent to be installed?
A. 32 mm.
B. 40 mm.
C. 50 mm.
D. 75 mm.
C. 50 mm.
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. Another plumbing trap and vent is required for the extra sink.
C. The fixture trap & fixture drain is to be 1 pipe size larger than largest sink outlet.
D. The garbage grinder must be installed in the middle compartment[][][][][][][][][][][][]
C. The fixture trap & fixture drain is to be 1 pipe size larger than largest sink outlet.
What is the minimum size of a trap for a commercial dishwasher?
A. 1 1/4 inch.
B. 1 1/2 inch.
C. 2 inch[][][]
D. 3 inch[][][]
C. 2 inch.
When the building drain (BD) is located below the level of the adjoining street, which device is installed inside the building?
A. A backflow preventer on the service.
B. A normally closed backwater valve on the BD.
C. A normally open backwater valve on the BD[][]
D. A normally open backwater valve on the weeping tile.
C. A normally open backwater valve on the BD.
When installing 6 shower drains in a locker room, which piping arrangement would be most economical?
A. Individual traps with individual vents.
B. Individual traps with a circuit and relief vent.
C. A running trap with an individual vent[][][][][][]
D. A running trap with a relief vent[][][][][][][][][][][]
C. A running trap with an individual vent.
Which piping procedure is necessary to complete and terminate the venting of an oil interceptor?
A. Connect them to the building at the same height.
B. Terminate them outside the building at the same height.
C. Terminate them outside the building at a height difference of at least 300 mm.
D. Tie them together outside the building 300 mm above grade[][][][][][][][][][][][][][][][]
C. Terminate them outside the building at a height difference of at least 300 mm.
A single family dwelling has water table problems and periodic flooding in the basement. A weeping tile system is recommended. What piping procedure is used to connect the weeping tile to the sanitary building drain?
A. Connect the weeping tile directly to the sanitary building drain.
B. Connect the weeping tile through the normally closed backwater valve.
C. Connect the weeping tile with a trap and normally open backwater valve.
D. Connect the weeping tile through a trapped backwater valve[][][][][][][][][][][]
D. Connect the weeping tile through a trapped backwater valve.
A laster level is being used to grade a long run of cast iron pipe. The level is sitting on top of the first piece of cast iron pipe installed. The light beam from the laster level is near the intended target on the wall 100 feet away but unfortunately its showing that it is too low. What should be done to correct this situation?
A. Lower the pipe.
B. Raise the pipe[]
C. Adjust the target.
D. Move the laser[]]
B. Raise the pipe.
What piping procedure is required for the venting of an oil interceptor?
A. 2 vent pipes connected to same side of interceptor.
B. 2 vent pipes terminated less than 2 m above ground.
C. 1 vent pipe terminated less than 300 mm above the other.
D. 2 vent pipes connected to the interceptor at opposite ends.
D. 2 vent pipes connected to the interceptor at opposite ends.
A plumbing vent serving a typical basement three piece plumbing rough-in has a developed length of 12 meters. What is the name and minimum size of this vent?
A. 1 1/4” continuous vent.
B. 1 1/4” circuit vent[][][][][]
C. 1 1/2” continuous vent.
D. 1 1/2” circuit vent[][][][]]
C. 1 1/2” continuous vent.