WorksheetsModule 10
Total questions: 10
Worksheet time: 5mins
Discharge piping from a sump in a commercial building shall include a_ and a_.
Gate valve and a spring check valve
Backflow preventer and a check valve
Gate valve and flow check valve
Stop and waste valve and a full flow check valve
A single wall metal vent shall terminate at least blank inches higher than any portion of a building within 10 feet horizontal.
24
36
30
32
Horizontal length of a single wall connector shall be not greater than blank percent of the height of the vents or chimney.
25
50
75
100
The horizontal length of a tight be double wall vent connector shall not be greater than blank percent or the height of the event auction meet.
25
50
75
100
For a connector with 290° elbows and 245° elbows, the maximum capacity of the beds connector she’ll be reduced by blank percent for the capacity for two or more appliances.
20
15
10
5
Which of these fittings are allowed for a change of direction of horizontal to vertical direction in a drainage system?
Eighth Bend
Short Sweep
Long Sweep
All of the above
Why are the pipe, fittings, faucets , and fix the feeling that we use for drinking water must be lead free with a weighted average of the concept of 0.25% or less, the solar amplitude shall be lead free with a chemical composition equal to or less than blank percent.
0.25
0.2
0.3
0.5
How many DFU would a building Have went to compartment laundry tray, one drinking fountain, three commercial automatic clothes washers, one laboratory and to water closet public 1.6 GPF?
23
22
20, 1/2
18
A value relief valve is required on bottom fed water heaters link blank.
Always
Only in commercial buildings
If the water heater is installed in the basement floor
If pictures are installed on a lower floor
The size of a water service pipe in any building shall be not less than blank.
1/2 in.
3/4in.
1 in.
Either a or B, depending on the total water fixture demand
