SANITARY DRAINAGE SYSTEMS EXAM
2026/2027 | COMPLETE STUDY GUIDE |
PRACTICE TEST
DRAINAGE SYSTEM - correct answer-All the piping within the private and public
premises which conveys sewage, rainwater and other liquid waste to a point of
disposal. A drainage system does not include the mains of public sewer systems
or a private or a public sewage treatment or disposal plant.
STACK - correct answer-A general term used for any vertical line of soil, waste or
vent piping.
SOIL PIPE - correct answer-A pipe that conveys the discharge of water closets or
similar fixtures containing fecal matter, with or without the discharge of other
fixtures to the building drain or building sewer.
WASTE PIPE - correct answer-- A pipe that conveys only liquid waste free of fecal
matter. Generally smaller than a soil pipe because of the nature of matter being
discharged into the system.
BRANCH - correct answer-Any part of the piping system other than the main, riser
or stack.
, BUILDING/HOUSE DRAIN - correct answer-- That part of the lowest horizontal
piping of a plumbing system which receives the discharge from soil, waste and
other drainage pipes inside a building and conveys it to the building sewer/house
sewer.
BUILDING/HOUSE SEWER - correct answer-- That part of the drainage system that
extends from the end of the building drain and conveys its discharge to the public
sewer, private sewer, individual sewage disposal system, or other appropriate
point of disposal.
Septic Tank and Seepage Pit - correct answer-In this type of sewage disposal, the
cycle is completed below ground and within the property. Liquid wastes are
purified due to the action of anaerobic bacteria through precipitation in the
digestion chamber and effluent is discharged in the leaching chamber by natural
percolation.
Scum - correct answer-non-soluble organic matter that floats on the surface of
the sewage
Sludge - correct answer-organic matter that settles at the base of the septic tank
Residence - correct answer-6 persons min capacity of 50 cu ft, and for larger
household 5-6 cu. ft/person
Commercial, industrial and institutional - correct answer-2-3 cu ft/person
Commercial, industrial and institutional - correct answer-Location must be near
the structure served: (5') 1.50 m
2026/2027 | COMPLETE STUDY GUIDE |
PRACTICE TEST
DRAINAGE SYSTEM - correct answer-All the piping within the private and public
premises which conveys sewage, rainwater and other liquid waste to a point of
disposal. A drainage system does not include the mains of public sewer systems
or a private or a public sewage treatment or disposal plant.
STACK - correct answer-A general term used for any vertical line of soil, waste or
vent piping.
SOIL PIPE - correct answer-A pipe that conveys the discharge of water closets or
similar fixtures containing fecal matter, with or without the discharge of other
fixtures to the building drain or building sewer.
WASTE PIPE - correct answer-- A pipe that conveys only liquid waste free of fecal
matter. Generally smaller than a soil pipe because of the nature of matter being
discharged into the system.
BRANCH - correct answer-Any part of the piping system other than the main, riser
or stack.
, BUILDING/HOUSE DRAIN - correct answer-- That part of the lowest horizontal
piping of a plumbing system which receives the discharge from soil, waste and
other drainage pipes inside a building and conveys it to the building sewer/house
sewer.
BUILDING/HOUSE SEWER - correct answer-- That part of the drainage system that
extends from the end of the building drain and conveys its discharge to the public
sewer, private sewer, individual sewage disposal system, or other appropriate
point of disposal.
Septic Tank and Seepage Pit - correct answer-In this type of sewage disposal, the
cycle is completed below ground and within the property. Liquid wastes are
purified due to the action of anaerobic bacteria through precipitation in the
digestion chamber and effluent is discharged in the leaching chamber by natural
percolation.
Scum - correct answer-non-soluble organic matter that floats on the surface of
the sewage
Sludge - correct answer-organic matter that settles at the base of the septic tank
Residence - correct answer-6 persons min capacity of 50 cu ft, and for larger
household 5-6 cu. ft/person
Commercial, industrial and institutional - correct answer-2-3 cu ft/person
Commercial, industrial and institutional - correct answer-Location must be near
the structure served: (5') 1.50 m
