Questions with Detailed Verified
Answers | Already Graded A | 2025 |
Quiz_________________?
1/4" -
Answer✅
Threads of drainage fittings shall be tapped as to allow _____ pitch per foot
Quiz_________________?
4 lbs -
Answer✅
Lead used for safe pans shall not be less than ________ per square foot
Quiz_________________?
Copper Tube, Cast Iron, Stainless steel, ABS, PVC DWV -
Answer✅
Name 3 allowable materials for the DWV system "underground"
Quiz_________________?
1-1/4" - 1 dfu's
1-1/2" - 3 dfu's
2" - 4 dfu's
1
,3" 6 dfu's
4" - dfu's -
Answer✅
What are the fixture unit values for the following traps
Quiz_________________?
Double fixture fitting -
Answer✅
What type of fitting is used for continuous waste and venting of lavatories back to back?
Quiz_________________?
1" -
Answer✅
Caulk joints for cast iron bell and spigot shall be filled with molten lead to a depth of not
less than ________?
Quiz_________________?
Wye, Combination Wye w/ 1/8 bend, Long sweep -
Answer✅
What type of fitting or fittings can be used to connect horizontal drainage to another
horizontal drainage line?
Quiz_________________?
- Each horizontal drainage pipe shall be provided with a cleat at its upper terminal
- Horizontal run more than 100'
- Each horizontal change of direction exceeding 135°
- Front Main Cleanout -
Answer✅
Cleanout locations required by code
2
, Quiz_________________?
100' -
Answer✅
Maximum distance a cleanup can be spaced apart
Quiz_________________?
12"
18" -
Answer✅
Minimum clearance in front of a cleanup for 2" or less
Minimum clearance in front of a cleanup for 2" or more
Quiz_________________?
20' -
Answer✅
Underfloor cleanup shall not be located more than _____ from an access door, trap door,
or crawl hole
Quiz_________________?
Back Water Valve -
Answer✅
When plumbing fixtures are installed on a floor level lower than the next upstream manhole
cover of the sewer, such drainage piping shall be protected from backflow of sewage by a
____________
Quiz_________________?
20 -
Answer✅
3
, Sewage ejectors receiving the discharge of water closets or ruinals shall have a discharge
capacity not less than ___ gallons per minute
Quiz_________________?
2" -
Answer✅
What is the minimum size discharge pipe for an ejector installed in a single dwelling?
Quiz_________________?
2" -
Answer✅
The lowest inlet connected to the ejector pump shall have a clearance of not less than ____
from the high water or starting level of the sump.
Quiz_________________?
Yes, with prior approval of the AHJ -
Answer✅
Can macerating toilet systems be installed instead of a sewage pump system
Quiz_________________?
3/4" -
Answer✅
What is the minimum size discharge pipe for a macerating toilet system
Quiz_________________?
1/4" per foot -
Answer✅
What is the minimum pitch required fora 2" horizontal drain?
4
Answers | Already Graded A | 2025 |
Quiz_________________?
1/4" -
Answer✅
Threads of drainage fittings shall be tapped as to allow _____ pitch per foot
Quiz_________________?
4 lbs -
Answer✅
Lead used for safe pans shall not be less than ________ per square foot
Quiz_________________?
Copper Tube, Cast Iron, Stainless steel, ABS, PVC DWV -
Answer✅
Name 3 allowable materials for the DWV system "underground"
Quiz_________________?
1-1/4" - 1 dfu's
1-1/2" - 3 dfu's
2" - 4 dfu's
1
,3" 6 dfu's
4" - dfu's -
Answer✅
What are the fixture unit values for the following traps
Quiz_________________?
Double fixture fitting -
Answer✅
What type of fitting is used for continuous waste and venting of lavatories back to back?
Quiz_________________?
1" -
Answer✅
Caulk joints for cast iron bell and spigot shall be filled with molten lead to a depth of not
less than ________?
Quiz_________________?
Wye, Combination Wye w/ 1/8 bend, Long sweep -
Answer✅
What type of fitting or fittings can be used to connect horizontal drainage to another
horizontal drainage line?
Quiz_________________?
- Each horizontal drainage pipe shall be provided with a cleat at its upper terminal
- Horizontal run more than 100'
- Each horizontal change of direction exceeding 135°
- Front Main Cleanout -
Answer✅
Cleanout locations required by code
2
, Quiz_________________?
100' -
Answer✅
Maximum distance a cleanup can be spaced apart
Quiz_________________?
12"
18" -
Answer✅
Minimum clearance in front of a cleanup for 2" or less
Minimum clearance in front of a cleanup for 2" or more
Quiz_________________?
20' -
Answer✅
Underfloor cleanup shall not be located more than _____ from an access door, trap door,
or crawl hole
Quiz_________________?
Back Water Valve -
Answer✅
When plumbing fixtures are installed on a floor level lower than the next upstream manhole
cover of the sewer, such drainage piping shall be protected from backflow of sewage by a
____________
Quiz_________________?
20 -
Answer✅
3
, Sewage ejectors receiving the discharge of water closets or ruinals shall have a discharge
capacity not less than ___ gallons per minute
Quiz_________________?
2" -
Answer✅
What is the minimum size discharge pipe for an ejector installed in a single dwelling?
Quiz_________________?
2" -
Answer✅
The lowest inlet connected to the ejector pump shall have a clearance of not less than ____
from the high water or starting level of the sump.
Quiz_________________?
Yes, with prior approval of the AHJ -
Answer✅
Can macerating toilet systems be installed instead of a sewage pump system
Quiz_________________?
3/4" -
Answer✅
What is the minimum size discharge pipe for a macerating toilet system
Quiz_________________?
1/4" per foot -
Answer✅
What is the minimum pitch required fora 2" horizontal drain?
4
