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CT Septic License Exam Questions With Correct And Verified Answers 2025/2026 Absolutely 10, Exams of Water and Wastewater Engineering

CT Septic License Exam Questions With Correct And Verified Answers 2025/2026 Absolutely 100% Correct.

Typology: Exams

2024/2025

Available from 06/03/2025

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CT Septic License Exam Questions With
Correct And Verified Answers
2025/2026 Absolutely 100% Correct.
Septic tanks are required to have all seams and drain holes sealed to make water tight.
true
all pretreatment units + distribution boxes are required to have KY approval numbers on them
true
equal-flow type distribution boxes may be installed on tamped sand or gravel
true
highest hole in hill side box does not have to be connected to inlet pipe
false
all distribution boxes shall be installed level
true
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Download CT Septic License Exam Questions With Correct And Verified Answers 2025/2026 Absolutely 10 and more Exams Water and Wastewater Engineering in PDF only on Docsity!

CT Septic License Exam Questions With

Correct And Verified Answers

2025/2026 Absolutely 100% Correct.

Septic tanks are required to have all seams and drain holes sealed to make water tight.

true

all pretreatment units + distribution boxes are required to have KY approval numbers on them

true

equal-flow type distribution boxes may be installed on tamped sand or gravel

true

highest hole in hill side box does not have to be connected to inlet pipe

false

all distribution boxes shall be installed level

true

certified installer must lay out a septic system prior to evacuation to assure that adequate fall between components is possible

true

equipment used in constructing aseptic system should be:

a. as heavy as possible to maximize soil compaction

b. as light as possible to minimize soil compaction

c. equipment weight does not matter

b. as light as possible to minimize soil compaction

the minimum lateral trench depth is 24 inches

false

soil + site conditions limit which type of on site sewage disposal system will work on a site

true

primary purpose of septic tank is to remove solids thru sewage thru settling

true

soil structure indicates amount of large pore spaces in soil, which are important to absorb sewage effluent from the lateral lines

a. orange + red colors in soil

b. direct presence of water in soil when sampled

c. gray, green, blue or black colors in soil

d. presence of large flag stones

e. all above

c. gray, green, blue or black colors in soil

certified installer must submit proposed system drawing prior to obtaining instillation permit

true

certified installer must lay out on site sewage system to determine if adequate fall is possible between components

true

you obtain permit to install system with lateral trenches no deeper than 10 inches. if home builder tells you that they do not want septic tank leaving hump in yard. what do you do?

a. bury tank deep enough in ground so no hump

b. install low profile septic tank

c. install regular septic tank + add fill soil dirt around tank so no hump left when yard is graded

d. either b or c

d. both b + c = install low profile septic tank or

install regular septic tank + add fill soil dirt around tank so no hump left when yard is graded

wire test is

a. test to determine if electrical wiring properly installed

b. test to determine whether lateral lines installed level

c. field test to determine if soil moisture will cause damage during lateral line excavation

d. all above

c. field test to determine if soil moisture will cause damage during lateral line excavation

maximum length for individual conventional lateral trench is

a. 100 feet

b. 200 feet

c. no maximum limit

d. 70 feet

b. 200 feet

the appropriate minimum spacing of conventional rock trench is

a. 5 feet on centers

b. 8 feet side wall to side wall

c. 8 feet on centers

c. 8 feet on centers

the appropriate minimum spacing of low pressure pipe system is

the setback distance from lateral trench for streams is

a. 25 feet

b. 50 feet

c. 70 feet

a. 25 feet

the setback distance from lateral trench for lakes is

a. 25 feet

b. 50 feet

c. 70 feet

b. 50 feet

back filling of system is permitted prior to final inspection providing inspections ports are placed in lateral trenches

false

soil fill added to shallow installed system must be of group three texture or better

true

certified installer not responsible for backfilling or finished grading over system if builder does work

false

when fill soil is added to lateral field area the sod layer must not be disturbed

false

fill soil is tampered how far below lateral field on down slope side?

a. 5 ft

b. 10 ft

c. 15 ft

d. 25 ft

c. 15 ft

access must be provided within 24 inches of surface grade to outlet end man hole of septic tank

false

distribution boxes shall be installed level with all connections rendered watertight

true

grease taps required for all establishments that manufacture or prepare food

true

when filling out an installers affidavit, elevations should be on-shot + recorded at?

a. beginning at trench only

b. middle of trench only

c. end of trench only

d. beginning, middle + end of trench

d. beginning, middle + end of trench

when applying for site evaluation you must

a. a location map to reach site

b. site drawing showing locations of, property lines with dimensions, existing + proposed structures, wells, streams, gulley's, easements, roads, drives, right away + proposed system locations

c. number of bedrooms, structure has garbage disposal + basement

d. all above

d. all above

a location map to reach site

site drawing showing locations of, property lines with dimensions, existing + proposed structures, wells, streams, gulley's, easements, roads, drives, right away + proposed system locations

number of bedrooms, structure has garbage disposal + basement

back hoe pits may be required by inspector on site of evaluation

true

lateral lines must be installed on contour at depth specified by local inspector

true

all finished grading shall be done to divert surface water towards lateral line

false

plastic distribution boxes shall be placed on tamped sand or gravel based

false

you are digging lateral trench + hit bed rock. what do you do?

a. rent hoe ram to remove bedrock

b. dynamite rock so removed with back hoe

c. call inspector

d. either a or b

c. call inspector

which type of lateral fields are approved for use in KY?

a. conventional gravel trenches or beds

b. leaching chambers

c. seepage pits

check water bill to see if using excessive amounts of water

call local inspector to trouble shoot system

you find builder has built house on lowest portion of lot. what do you do?

a. cut down area where lateral field goes so can get gravity flow from septic tank to lateral field

b. install dosing tank to lift sewage to approved area

c. dig lateral trenches deep enough to get gravity flow

d. a or b

b. install dosing tank to lift sewage to approved area

all nonperforated pipe shall be bedded in grillage

true

drip irrigation system include

a. advance treatment

b. air release valve

c. grinder pump

d. all above

e. a + b

e. a + b

a. advance treatment

b. air release valve

certified installer or permit holder is required to remain on construction site while work is being performed on system

true

what types of trench barrier material is approved?

a. 4 inch layer whole straw

b. synthetic fabric

c. roofing felt

d. plastic sheeting

e. both a + b

f. all above

e. both a + b

a. 4 inch layer whole straw

b. synthetic fabric

when constructing an evaporation/absorption lagoon where berm walls should be keyed into original soil at least 1 foot deep + 2 foot wide at base

true

drip irrigation is experimental onsite sewage disposable system option

false

mercury flow switches not allowed to be used on dosing pumps

false

when alternating lateral fields are installed what percentage of lateral field should be installed on each side of alternating valve?

a. 60% on one side + 40% other

b. 100% with other side capped off for later repairs

c. no set % for side

d. 50% on each

d. 50% on each

on sites where curtain drains are needed, the curtain drain must be installed to obtain final system approval

true

your shipment of trench rock has just been delivered on site. inspection of rock reveals fine material is mixed in with it. what do you do?

a. send load back to quarry

b. wash rock prior to installation to remove fine material

c. install gravel in trenches + wash

d. install rock without washing

e. either a or b

e. either a or b

a. send load back to quarry

b. wash rock prior to instillation to remove fine material

your shipment of trench rock has just been delivered to construction site. inspection reveals #9 stone was shipped. is this acceptable?

no

hole type perforated piping is acceptable to use in both curtain drains + lateral trenches

false

car washes, slaughter houses, factories, funeral parlors can produce waste that are not allowed to be disposed in an on site sewage disposable system

true

which of following special design requirements on high clay, group 4 sites?

a. 2 septic tank in series

b. separate laundry, gray water beds with no primary system size reduction

c. alternate lateral fields

d. dosing

e. all above

e. all above

a. 2 septic tank in series

given the following trench grades for leeching chamber system- do you see problem?

Line 1: Beginning 4'6'' Middle 4'11'' End 4'6''

Line 2: Beginning 5'2'' Middle 5'3'' End 5'2''

Line 3: Beginning 6'4'' Middle 6'4'' End 6'4''

a. no grade shots indicate trenches are level

b. no grade shots indicate not completely level but within limits

c. yes grade shots indicate not level + not within limits

d. yes all grade shots in inches instead of tenths of foot

c. yes grade shots indicate not level + not within limits

curtain drain bottoms shall be graded to provide positive drainage down slope to surface or a catchment basin

true

water leveling devices are to be used in equal flow + level distribution boxes

true

lagoons are required to be enclosed within 6 foot high chain linked fence or equivalent with no climb or locked gate

true

you are digging to next to last lateral line + notice that you do not have enough room to install last line. what did you do wrong?

a. nothing- someone moved flags + left site

b. nothing- local inspector did not flag enough for area

c. you laid out system using transit not working correctly

d. did not bother to completely lay out system prior to beginning excavation

d. did not bother to completely lay out system prior to beginning excavation

you are in process of connecting pipe line to septic tank + you notice light coming through seam between tank halves. what do you do?

a. ignore

b. seal opening so no light shines through + complain to tank manufacture

c. call tank manufacture + make them seal it

d. b or c

e. either b or c

b. seal opening so no light shines through + complain to tank manufacture

c. call tank manufacture + make them seal it

what is the total design daily waste flow (TDW) for 3 bedroom home using water flush toilets. how much conventional 2 foot wide lateral line should be installed in a group III Provisionally Suitable (PS) soil?

a. 330 TDW + 446 linear feet

b. 360 TDW + 486 linear feet

c. 249 TDW + 386 linear feet

d. 165 TDW + 223 linear feet

a. 330 TDW + 446 linear feet