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95 Cards in this Set
- Front
- Back
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What decides the speed on a drill |
Type of material |
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What is the standard cut in cut out of a pump |
30/50 |
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What is the purpose of a compound wrench |
More leverage |
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What is the 1/4 inch tap hole on a well casting |
Vent |
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Medical gas copper should be |
Degreased and capped |
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Who would be involved in the testing of gas pipe |
CSA |
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Trap size on a triple compartment sink |
2" |
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Vertical drop pipe allowed on a toilet |
1000mm |
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What kind knot is used on a tag line |
Bowline ????? |
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Sump vent size when sub building drain is 2" |
2" |
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Where is the vacuum breaker on a mop sink |
Intergal part of the faucet |
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The best cross connection protection in a marina |
RPBA |
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If water is coming out of the atmospheric port on an RP what is happening |
High demand downstream or the second check is partially kept open because of debris |
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If the fire pin on a powder actuated tool is defective what do you do |
Put it out of service and get it fixed |
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Scum layer on a septic tank purpose |
Insulation |
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What causes a small scum layer in the tank |
Large amount of soap or detergent used |
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What kind of pump is used from the tank to the field |
Septic effluent pump |
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What is the flow control valve in the front of a grease interceptor for |
Reduce flow |
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Pump loses pressure without any demand what causes this |
Foot valve leaking |
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Water hammer occurs in a Resi house with quick closing valve, what should be done |
Reset shock arresters |
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Suction pipe is 1 1/4 what is drive line |
1" |
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Minimum water supply size on a softner |
3/4 |
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Minimum water supply for tub |
1/2 |
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When is the T and P going to open on an HWT |
At max working pressure |
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Best and fastest way to test cast iron pipe and fittings |
Tap with hammer |
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What is the 90 degree at the end of a sump tank for |
Discharge the clearest effluent into the effluent chamber |
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Advantage of 2 pipe drawings compared to single line |
Easier to interpret |
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How do you find a canning sleeve after concrete has been poured |
Grid lines |
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Where there is a change from cast iron to copper to abs stack going from one floor to another what do you need |
Expansion joint |
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Max pipe that can be hung with strapping |
4" |
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What do you use a sprial reamer for |
Burrs on inside of pipe |
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At what depth do you need shoring |
1.5m or 5 feet |
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If you have a 6" stack and a 3" vent stack connected by a relief vent what is the size of the relief vent |
2 1/2 |
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Type of solder on an extracted tee |
Brazed |
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Why do you put a sacrificial anode in the ground beside another pipe |
Cathodic protection |
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From what do you have to protect two dissimilar metals from. Eg copper pipe in metal hanger |
Galvanic action |
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What kind of wrench do you use with a crome finish |
Strap wrench |
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Minimum legnth of a 4" floor drain |
18" |
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Where would you not use a direct fired make up air unit |
Not allowed in living areas |
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Shut off valve in a public building |
At every fixture or group in the same room |
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What is the most important consideration when installing a gas appliance |
Venting of the appliance |
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What would most likely be the problem if water was slowly constantly running into the bowl of a WC but tank level is ok |
Flapper is leaking |
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Max temp into a drain |
75 degrees C |
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What do you use to bolt down a WC |
Brass bolt |
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How do you make sure you have space at the back of a wall hung WC |
Back up nuts and washers |
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Where do you install a bubbler |
Drinking fountain |
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What must be indirectly connected to drainage |
Sterilizer |
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What to do if a chain breaks |
Don't fix it |
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When you start a boiler and get a loud nose what could be the cause |
Delayed ignition. Check / clean the burner tubes |
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If one zone in a house is not getting heat what causes it |
Check the end switch contact on the flow switch |
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If the boiler is on the main floor and the heating unit upstairs is not giving off heat but the main floor has lots of heat what's the problem |
Air in unit |
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What system would have the most equil piping in every zone |
Reverse return |
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Requirements for a hose bib |
Frost free with stop and drain inside building |
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Lacking pressure on a flush valve what do you do |
Open the shut off valve more |
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How do you test water system |
700kpa 2 hours |
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What type of waste does a floor drain recieve when connected to a storm system |
Clear water waste |
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What regulates flush times on a flush valve |
Fill valve |
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If the flush tank always let's through a little bit of water what is the problem |
Syphon is cracked |
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How do you support underground pipe on uneven ground |
Sand |
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How do you prevent water hammer |
Water hammer arresters |
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How far is the max fall on a trap serving 6 showers |
3" |
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If you have a 300 gallon system with a glycol content of 48% but you have a reading of only 27% how much glycol needs to be added |
21% |
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Which pipe is not to be used for drainage |
Screwed cast iron |
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Where must your building drain clean out be in a building |
As soon as possible |
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If you have a stack serving only drinking fountains connected on every floor of a four story building how is it piped |
Indirectly connected at lower end. Individually to outside air at upper |
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Minimum manhole opening |
600mm |
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Type of pipe for Resi irrigation |
PVC |
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If you had a fire system without enough water on the top floor what can you do |
Install a booster pump |
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Where do you install a cartridge type filter |
Point of use |
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How do you run a steam condensate line |
With grade back to a collection point |
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A water service with a check valve must have |
Expansion tank |
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When a tap runs briefly then the pump turns on what is this called |
Short cycling |
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What type of pipe connection is used to a quick connect coupling to the main piping system |
Threaded |
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What type of joining method is used to connect a chiller |
Brazed |
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If your furnace is over firing what do you do |
Adjust the input |
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If you have black stagnant smelling water in a heating system what do you do |
Add an anti oxidizing agent and rust inhibitor |
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Every low mass cast iron boiler must have |
Flow switch |
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What is a torque arrestor for |
Protect pipe and wires |
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How is a pitless adaptor connected to a casing |
Saddle fitting |
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What is the lowest temp you can have return to a boiler |
140 |
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If a system is running at 26 psi but it is only supposed to be at 15 psi what is the problem |
PRV |
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Potable water must be how far from a dumping station |
25 feet |
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How long can you use a AVB for continually |
12 hours |
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Proper way to hook up a Resi fire system |
Header |
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Where is the clean out for a RWL |
Within 3m from the base of the stack |
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What is used to protect the pump on a heating system |
Strainer |
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All gas appliances need |
A shutoff |
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What do you use to purge a med gas line |
Nitrogen |
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For med gas what connections are used |
Different connection for each gas |
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How to keep a pump primed |
Foot valve |
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How do you keep a submersible pump form overheating |
Keep pump below the drawdown line |
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What do you indirectly connect to an RP |
Air gap fitting |
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Where can you not connect to the base of a stack |
1.5 meters |
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Outlet pipe for a 3 compartment sink max |
1200mm |
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What device do you use to prevent cross connection from toxic substances |
RP |
