Journeyman's Exam questions with complete solutions
graded A+
1. 1/4" Threads of drainage fittings shall be
tapped as to allow pitch per foot
2. 4 lbs Lead used for safe pans shall not be less
than
per square foot
3. Copper Tube, Cast Iron, Stainless Name 3 allowable materials for the DWV syste
steel, ABS, PVC DWV "underground"
4. 1-1/4" - 1 dfu's What are the fixture unit values for the followi
1-1/2" - 3 dfu's traps
2" - 4 dfu's
3" 6 dfu's
4" - dfu's
5. Double fixture fitting What type of fitting is used for continuous
waste and venting of lavatories back to
back?
6. 1" Caulk joints for cast iron bell and spigot sha
be filled with molten lead to a depth of not
less than ?
7. Wye, Combination Wye w/ 1/8 - Front Main Cleanout
bend, Long sweep
8. - Each horizontal drainage pipe shall
be provided with a cleat at its
upper termi- nal
- Horizontal run more than 100'
- Each horizontal change of direction
ex- ceeding 135°
1/
53
, Journeyman's Exam questions with complete solutions
graded A+
What type of fitting or fittings can be used to connect line?
horizontal drainage to another hori- zontal drainage
Cleanout locations required by code
2/
53
, Journeyman's Exam questions with complete solutions
graded A+
9. 100' Maximum distance a cleanup can be
spaced apart
10. 12" Minimum clearance in front of a cleanup
18" for 2" or less
Minimum clearance in front of a cleanup
for 2" or more
11. 20' Underfloor cleanup shall not be located
more than from an access door,
trap door, or crawl hole
12. Back Water Valve 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
13. 20 Sewage ejectors receiving the discharge
of wa- ter closets or ruinals shall have a
discharge capacity not less than
gallons per
minute
14. 2" What is the minimum size discharge pipe fo
an
ejector installed in a single dwelling?
15. 2" The lowest inlet connected to the ejector
pump
shall have a clearance of not less
than
from the high water or starting level of
3/
53
, Journeyman's Exam questions with complete solutions
graded A+
the sump.
16. Yes, with prior approval of the AHJ Can macerating toilet systems be installed i
stead of a sewage pump system
4/
53
graded A+
1. 1/4" Threads of drainage fittings shall be
tapped as to allow pitch per foot
2. 4 lbs Lead used for safe pans shall not be less
than
per square foot
3. Copper Tube, Cast Iron, Stainless Name 3 allowable materials for the DWV syste
steel, ABS, PVC DWV "underground"
4. 1-1/4" - 1 dfu's What are the fixture unit values for the followi
1-1/2" - 3 dfu's traps
2" - 4 dfu's
3" 6 dfu's
4" - dfu's
5. Double fixture fitting What type of fitting is used for continuous
waste and venting of lavatories back to
back?
6. 1" Caulk joints for cast iron bell and spigot sha
be filled with molten lead to a depth of not
less than ?
7. Wye, Combination Wye w/ 1/8 - Front Main Cleanout
bend, Long sweep
8. - Each horizontal drainage pipe shall
be provided with a cleat at its
upper termi- nal
- Horizontal run more than 100'
- Each horizontal change of direction
ex- ceeding 135°
1/
53
, Journeyman's Exam questions with complete solutions
graded A+
What type of fitting or fittings can be used to connect line?
horizontal drainage to another hori- zontal drainage
Cleanout locations required by code
2/
53
, Journeyman's Exam questions with complete solutions
graded A+
9. 100' Maximum distance a cleanup can be
spaced apart
10. 12" Minimum clearance in front of a cleanup
18" for 2" or less
Minimum clearance in front of a cleanup
for 2" or more
11. 20' Underfloor cleanup shall not be located
more than from an access door,
trap door, or crawl hole
12. Back Water Valve 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
13. 20 Sewage ejectors receiving the discharge
of wa- ter closets or ruinals shall have a
discharge capacity not less than
gallons per
minute
14. 2" What is the minimum size discharge pipe fo
an
ejector installed in a single dwelling?
15. 2" The lowest inlet connected to the ejector
pump
shall have a clearance of not less
than
from the high water or starting level of
3/
53
, Journeyman's Exam questions with complete solutions
graded A+
the sump.
16. Yes, with prior approval of the AHJ Can macerating toilet systems be installed i
stead of a sewage pump system
4/
53
