SEPTIC LICENSE EXAM QUESTIONS
WITH ANSWERS
Septic tanks must have all seams and drain holes sealed to ensure water
tightness. - The answer is true.
All pretreatment units and distribution boxes must have KY approval numbers
on them - ANSWER true
Equal-flow distribution boxes can be fitted on tamped sand or gravel -
ANSWER true.
The topmost hole in the hillside box does not need to be linked to the inflow
pipe - ANSWER false
All distribution boxes must be put level - ANSWER true
A qualified installer must put out a septic system before evacuation to ensure
proper fall between components - ANSWER correct.
The equipment used to build an aseptic system should be:
a. Heavy as possible to enhance soil compaction.
b. As light as possible to reduce soil compaction.
c. ANSWER b: The weight of the equipment does not matter. As light as
possible to reduce soil compaction.
The minimum lateral trench depth is 24 inches - False.
,Which type of on-site sewage disposal system will function on a site is limited
by soil and site circumstances, which is true.
The basic aim of a septic tank is to remove particles from sewage via settling -
ANSWER true
soil structure reflects the amount of big pore spaces in soil, which are necessary
for absorbing sewage effluent from the lateral lines - ANSWER true
Gray water systems include discharge from the following fixtures: laundry,
hand wash sink, shower, bathtubs, and laundry tubs.
What isn't considered gray water?
ANSWER: food prep sink + kitchen sink.
Slopes more than 15% may be unstable when on-site sewage disposal systems
are put on them, unless particular design modifications are done.
What natural process removes the majority of sewage discharge from the lateral
trench?
a. evaporation
b. Gravity flow
c. bacterial activity.
d. absorption by trees and grass - ANSWER b. Gravity flow
Seasonal water tables can be determined in the dry months by
, a. Orange and red tones in soil.
b. When soil was sampled, there was a clear presence of water.
c. Soil hues include gray, green, blue, and black.
d. Presence of big flagstones
e. All of the aforementioned - ANSWER C. Soil hues include gray, green, blue,
and black.
Certified installers must submit suggested system drawings before obtaining an
installation permit - ANSWER YES.
A certified installer must plan out the on-site sewage system to evaluate if
adequate fall is available between components.
You acquire permission to build the system using lateral ditches no deeper than
10 inches. If the home builder tells you that they do not want the septic tank to
leave a hump in the yard. What do you do?
a. Bury the tank deep enough in the ground so there is no hump
b. Install a low-profile septic tank.
c. Install a normal septic tank and add fill soil dirt around it so that no hump
remains after the yard is graded.
d. ANSWER: d. Both b and c = install low profile septic tank or
Install a normal septic tank and add fill soil dirt around it so that no hump
remains after the yard is graded.
WITH ANSWERS
Septic tanks must have all seams and drain holes sealed to ensure water
tightness. - The answer is true.
All pretreatment units and distribution boxes must have KY approval numbers
on them - ANSWER true
Equal-flow distribution boxes can be fitted on tamped sand or gravel -
ANSWER true.
The topmost hole in the hillside box does not need to be linked to the inflow
pipe - ANSWER false
All distribution boxes must be put level - ANSWER true
A qualified installer must put out a septic system before evacuation to ensure
proper fall between components - ANSWER correct.
The equipment used to build an aseptic system should be:
a. Heavy as possible to enhance soil compaction.
b. As light as possible to reduce soil compaction.
c. ANSWER b: The weight of the equipment does not matter. As light as
possible to reduce soil compaction.
The minimum lateral trench depth is 24 inches - False.
,Which type of on-site sewage disposal system will function on a site is limited
by soil and site circumstances, which is true.
The basic aim of a septic tank is to remove particles from sewage via settling -
ANSWER true
soil structure reflects the amount of big pore spaces in soil, which are necessary
for absorbing sewage effluent from the lateral lines - ANSWER true
Gray water systems include discharge from the following fixtures: laundry,
hand wash sink, shower, bathtubs, and laundry tubs.
What isn't considered gray water?
ANSWER: food prep sink + kitchen sink.
Slopes more than 15% may be unstable when on-site sewage disposal systems
are put on them, unless particular design modifications are done.
What natural process removes the majority of sewage discharge from the lateral
trench?
a. evaporation
b. Gravity flow
c. bacterial activity.
d. absorption by trees and grass - ANSWER b. Gravity flow
Seasonal water tables can be determined in the dry months by
, a. Orange and red tones in soil.
b. When soil was sampled, there was a clear presence of water.
c. Soil hues include gray, green, blue, and black.
d. Presence of big flagstones
e. All of the aforementioned - ANSWER C. Soil hues include gray, green, blue,
and black.
Certified installers must submit suggested system drawings before obtaining an
installation permit - ANSWER YES.
A certified installer must plan out the on-site sewage system to evaluate if
adequate fall is available between components.
You acquire permission to build the system using lateral ditches no deeper than
10 inches. If the home builder tells you that they do not want the septic tank to
leave a hump in the yard. What do you do?
a. Bury the tank deep enough in the ground so there is no hump
b. Install a low-profile septic tank.
c. Install a normal septic tank and add fill soil dirt around it so that no hump
remains after the yard is graded.
d. ANSWER: d. Both b and c = install low profile septic tank or
Install a normal septic tank and add fill soil dirt around it so that no hump
remains after the yard is graded.
