Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
84 Cards in this Set
- Front
- Back
|
What is the maximum distance from the bottom of the soil or waste stack the clean out fitting is required under certain conditions? |
Not more than 10 feet (3m) upstream of the bottom of the stack |
|
|
The minimum size clean out serving an 8 inch building sewer is |
A manhole |
|
|
A stack vent would be defined as |
Event that is the extension of a soil or Waste stack |
|
|
According to the tables, what is the minimum size of a waist stack? |
1 1/4” |
|
|
What is the minimum size of an individual vent serving a fixture with a 4 inch trap? |
1 1/2” |
|
|
Which of the following types of traps seal loss would be solved by installing a vent? |
Back pressure |
|
|
To size an individual vent you need to know the |
Trap size |
|
|
Branch vent is best defined as |
A vent pipe connecting two or more individual vents |
|
|
What is the largest size branch or fixture drain that can discharge into a stack vent |
This is not allowed |
|
|
What is the maximum number of elbows that could be used on a water closet trap arm |
1- 90 degree Elbow and 6- 22.5 Degree Elbows |
|
|
A branch drain is serving one bathtub and one laboratory what is the minimum size |
1 1/2” |
|
|
A Sanitary tee cannot be used |
At the base of a stack and to connect horizontal drains |
|
|
A drainage system starts at the: |
Flood level rim |
|
|
The minimum grade on a 4 inch building drain is |
1% |
|
|
A fixture drain Connects? |
The trap to another part of the drainage system |
|
|
A floor drain does not need to be separately vented when the trap arm is |
3” incise and at least 18” (450 mm) long |
|
|
Where would you most likely find a slip joint |
On a FOP |
|
|
What is the minimum some vent size? |
2” |
|
|
The fixture unit rating for a macerating water closet is |
4” |
|
|
What is the minimum size of a secondary stack thats serving water water closet |
1 1/2” |
|
|
How much clearance should be provided to access a clean out |
The clean out shall be in an accessible location |
|
|
The maximum distance between wye clean outs on a 4” building drain is |
50’ (15m) |
|
|
An “invert” would be |
The bottom inside surface of a horizontal pipe |
|
|
The type of support normally used for vertical CISP is a |
Riser clamp |
|
|
How many hangers would be required for 22 m (72’) of 1/2” copper tube? |
10 ( 22m divide 2.5m (table 2.3.4.5) = 8.8, round up to 9 and always add 1 = 10) |
|
|
0.8 mm thick and 18 mm wide perforated strapping is acceptable to be used to support pipe sizes up to and including |
4” |
|
|
Vertical steel pipe must be supported at |
Every second floor |
|
|
What is the minimum height of water that must be applied when testing a building drain |
10’ (3m) |
|
|
What is the minimum height of water that must be applied when testing a building drain |
10’ (3m) |
|
|
An air test on a drainage system requires the test be held for at least |
15 minutes |
|
|
What is the minimum size of a building sewer and a rural application |
3” |
|
|
The max from developed length of a 2 “ branch vent with 20 fixture units is? |
46 m ( Table 2.5.8.3) |
|
|
The purpose of a vent stack |
Is to relieve pressure at the base of the soil stack |
|
|
Why is an offset RV sized one size smaller than an SV instead of a VS? |
Because you will not have a VS on a three-story building ( VS are only required on buildings 5 stories or more) |
|
|
The type of water closet that is manufactured in one piece is a |
Siphon Vortex |
|
|
The standpipe for an automatic clothes washer is usually installed to |
Prevent the machine from draining by gravity |
|
|
The FLR on the kitchen sink is usually how far from floor |
36” (900mm) |
|
|
The total fall on a trap arm must not exceed |
One inside pipe diameter |
|
|
The maximum change of direction which may be made in a laboratory trap arm is? |
135° |
|
|
A close couple toilet uses gravity to flush the toilet how does a Siphon vortex low profile one piece toilet work |
It uses tank water above and below the rim of the bowl |
|
|
The minimum distance between a trap and its vent ( except for a floor drain) is |
Two pipe diameters |
|
|
The outlet from a floor mounted water closet may drop a total of |
1.0m (39”) before running horizontally |
|
|
The purpose of a vent is to |
Allow free flow of air and gases through the system. Reduce the chance of traps your loss. Reduce back pressure. |
|
|
The maximum length of a trap arms serving a 3” floor drain at a minimum grade is |
3.75m (12’) |
|
|
Develop length means |
The length along the centreline of the pipe including the fittings |
|
|
The minimum horizontal distance from a plumbing vent termination and a property line is |
1.8m (6’) |
|
|
The most downstream clean out on a building drain should be located |
At or near the building wall |
|
|
ABS-DWV solvent is: |
Yellow |
|
|
The minimum grade on a 3” drainage pipe is |
1/4 “ per foot (2%) |
|
|
The minimum size of a roof ring serving of 3” vent is |
4” |
|
|
The clean out plug for cast-iron trap must be made of |
Brass |
|
|
The minimum rate of flow in a building sewer is |
2 ft./sec |
|
|
The minimum size of a building sewer servicing a public sewer is |
4” |
|
|
The keyword for preventing drainage from backing up is |
Backwater valve |
|
|
The factors which would affect the size of a building drain are |
Grade Minimum size And hydraulic load |
|
|
The factors which would affect the size of a branch are |
The hydraulic load |
|
|
The factors which would affect the size of a branch are |
The hydraulic load |
|
|
The maximum distance between clean outs (two way rodding) on a 2” fixture drain is |
15m (50’) |
|
|
Are cleanouts required for soil or waste stacks? |
Always |
|
|
Soil pipe bends are ordered by? |
Fractions of 360° |
|
|
The minimum size clean out serving a 4 inch branch is |
3” |
|
|
A sanitary tee in a drainage system maybe used to change direction from |
Horizontal to vertical |
|
|
Fixture unit is a design factor for drainage systems one fixture unit is equal to |
6.25 imp gallons drained into an 1 1/4” pipe over 1 minute. |
|
|
Fixture unit is a design factor for drainage systems one fixture unit is equal to |
6.25 imp gallons drained into an 1 1/4” pipe over 1 minute. |
|
|
A Building sewer starts |
1m outside of the building |
|
|
A pipe positioned at 45° from the vertical is considered to be |
Vertical |
|
|
An individual vent can serve |
One fixture ( vent is sized by a table based on fixture trap size) |
|
|
What is the smallest trap allowed underground? |
1 1/2” |
|
|
When wet venting, what rules must apply? |
Fixtures on the same story, fixtures connected separately or directly, water closet is the lowest trap arm |
|
|
A fixture must be at least as large as |
The fixture drain and the fixture outlet pipe |
|
|
A Chase would most likely have |
Pipe in it |
|
|
A Chase would most likely have |
Pipe in it |
|
|
The maximum developed length of a continuous waste from a fixture waste opening to the water level in a trap is |
1200mm |
|
|
A vent terminal must |
Be located 3.5 m away from an opening of a window or air inlet and be located at least 1 m above an opening window or air inlet |
|
|
If fixture with 2” trap is not listed in table 2.4.9.3, it’s hydraulic load will be determined as |
3 Fixture units |
|
|
Do usual fixture outlet pipe size for a bathtub is |
1 1/2” (38mm) |
|
|
The maximum length of a 4” floor drain trap arm at min grade is |
32 feet |
|
|
The minimum size of an individual event serving a kitchen sink is? |
1 1/4” (30mm) |
|
|
The minimum length of a trap arm, 40mm in diameter, is? |
80mm |
|
|
What is the maximum cumulative change of direction the cleanouts are required on the fixture drains serving a commercial kitchen sink or trip receptacle? |
90° |
|
|
What would be the maximum number of tank type water closets that could drain into a 3” wet vent? |
None |
|
|
When wet venting over 4 stories how do you size your stack vent? |
The same size as the wet vent |
|
|
What is the largest size trap arm that can drain into a wet vent ? |
3” emergency floor drain |
|
|
What would be the maximum number of tank type WC’s that could drain into a wet vent? |
0 |
