Download Commercial Septic System Installer Exam questions with answers and more Exams Construction in PDF only on Docsity!
Commercial |\Septic |\System |\Installer |\Exam |\
questions |\with |\answers
All |\tanks |\must |\have: |- |\CORRECT |\ANSWERS |\✔✔ 2 |\compartments All |\tanks |\whether |\pre-manufactured |\or |\constructed |\on |\site |\shall |\be |
constructed |\so |\that |\the |\length |\is |___________ |\compared |\to |\the |\width. |- |\CORRECT |\ANSWERS |\✔✔at |\least |\one |\and |\one- |\half |(1 |\1/2) |\times... |"to |\the |\width." Septic |\Tanks |\may |\be |\made |\of: |- |\CORRECT |\ANSWERS |\✔✔Concrete, |
Plastic, |\fiberglass, |\or |\other |\materials |\as |\approved |\by |\the |
department. Tank |\compartment |\partitions |\will |\be |\located: |- |\CORRECT |\ANSWERS |
✔✔Not |\less |\than |\two-thirds |\or |\more |\than |\three-fourths |\the |\Length |
of |\the |\tank |\from |\the |\Inlet |\end. Compartment |\partitions |\will |\be |\constructed |\so |\a |\pass-thru |\hole |\or |
slot |\equal |\to |\or |\greater |\than |\the |\diameter |\of |\the |\inlet |\pipe |\is |
positioned |\below |\the |\liquid |\surface |\with |\a |
_____________________________. |- |\CORRECT |\ANSWERS |\✔✔Minimum |\25% |
to |\a |\maximum |\of |\50% |\of |\the |\total |\liquid |\depth.
Total |\liquid |\depth |\for |\larger |\poured-in-place |\tanks |\shall |\have |\a |
maximum |\of |______________inches |- |\CORRECT |\ANSWERS |\✔✔ 66 |\inches True |\or |\False: |\Walls |\and |\bottom |\of |\poured-in-place |\septic |\tanks |
must |\be |\reinforced. |- |\CORRECT |\ANSWERS |\✔✔True How |\can |\a |\Septic |\tank |\be |\reinforced? |- |\CORRECT |\ANSWERS |\✔✔six |
inch |\by |\ 6 |\inch |(6"x6") |\No.10 |\gage |\welded |\steel |\reinforcing |\wire |\OR |
fibrous |\reinforcing |\material |\conforming |\to |\ASTM |\specifications |\for |
such |\materials. How |\must |\Tank |\Lids |\be |\Reinforced? |- |\CORRECT |\ANSWERS |\✔✔using |
three-eights |\steel |\reinforcing |\rods |(rebar) |\which |\shall |\be |\spaced |
twelve |\inches |(12") |\on |\center |\each |\way |\extending |\a |\minimum |\of |
two |\and |\one |\half |(2 |\1/2") |\inches |\and |\a |\maximum |\of |\three |(3") |\from |\the |\outside |\edge |\of |\the |\tank |\lid. In |\general, |\the |\tank |\must |\be |\able |\to |\withstand |\a |\uniform |\live |\load |
of |______________________ |\pounds |\per |\square |\foot |\in |\addition |\to |\all |
loads |\to |\which |\an |\underground |\tank |\is |\normally |\subjected. |- |
CORRECT |\ANSWERS |\✔✔ 150 True |\or |\False: |\Walls, |\bottoms, |\and |\lids |\of |\poured-in-place |\septic |
tanks |\should |\have |\a |\minimum |\thickness |\of |\four |\inches |(4"). |- |
CORRECT |\ANSWERS |\✔✔True
The |\invert |\of |\the |\outlet |\tee |\shall |\be |\located |_______________ |\inches |
below |\the |\invert |\of |\the |\inlet |\tee. |- |\CORRECT |\ANSWERS |\✔✔two |
inches __________________ |\tees |\shall |\be |\equipped |\with |\an |\approved |\effluent |
filter. |- |\CORRECT |\ANSWERS |\✔✔Outlet Concrete |\used |\for |\poured-in-place |\or |\pre-cast |\septic |\tanks |\shall |
have |\a |\minimum |________________________. |- |\CORRECT |\ANSWERS |\✔✔ 28 |\day |\compressive |\strength |\of |\ 4000 |\pounds |\per |\square |\inch. When |\pouring |\concrete, |\care |\should |\be |\taken |\to |\assure |\such |
operations |\are |\not |\done |\during |\freezing |\or |\other |\wise |\inclement |
periods |\because |_________________________________. |- |\CORRECT |
ANSWERS |\✔✔it |\could |\damage |\the |\integrity |\of |\the |\finished |\product. the |\finished |\poured |\concrete |\product |\should |\have |\what |\texture |\and |\finish? |- |\CORRECT |\ANSWERS |\✔✔smooth |\homogeneous |\consistency |
and |\finish. True |\of |\False: |\Vibrating |\the |\forms |\or |\mix |\may |\be |\helpful |\in |
eliminating |"honey |\combing" |\or |"bridging" |\in |\the |\finished |\product. |- |\CORRECT |\ANSWERS |\✔✔True
Who's |\responsibility |\is |\it |\to |\assure |\the |\quality |\of |\the |\finished |
product? |- |\CORRECT |\ANSWERS |\✔✔The |\on-site |\sewage |\contractor. On-site |\sewage |\management |\systems |\requiring |\five |\hundred |\linear |
feet |\of |\field |\line |(500') |\or |\more |\must |\be |\equipped |\with |\a |
____________________. |- |\CORRECT |\ANSWERS |\✔✔dosing |\device Dosing |\can |\be |\accomplished |\using |_____________ |\or |_______________. |- |
CORRECT |\ANSWERS |\✔✔pumps |\or |\siphons. Systems |\requiring |\at |\least |\five |\hundred |(500') |\but |\less |\than |\one |
thousand |(1000') |\linear |\feet |\of |\field |\line |\will |\need |_____________. |- |
CORRECT |\ANSWERS |\✔✔a |\single |\pump |\or |\siphon. Systems |\requiring |\one |\thousand |\linear |\feet |(1000') |\or |\more |\will |
need |________________________________. |- |\CORRECT |\ANSWERS |
✔✔alternating |\pumps |\or |\siphons. True |\or |\False: |\Dosing |\tanks |\shall |\meet |\the |\construction |
requirements |\for |\septic |\tanks |\with |\regard |\to |\construction |\materials |
and |\reinforcement. |- |\CORRECT |\ANSWERS |\✔✔True True |\or |\False: |\For |\dosing |\tanks |\One |\or |\two |\piece |\tanks |\may |\be |
used. |- |\CORRECT |\ANSWERS |\✔✔True
All |\dosing |\tanks |\shall |\have |\switches |\and |\alarms |\that |\notify |\the |
owner |\of |_____________________. |- |\CORRECT |\ANSWERS |\✔✔malfunction. When |\determining |\dosing |\tank |\requirements |_____________, |
_________________, |_________________, |\and |____________________ |\should |\be |
taken |\into |\consideration. |- |\CORRECT |\ANSWERS |\✔✔volume, |\flow |
rates, |\waste |\water |\characteristics, |\and |\other |\similar |\information True |\or |\False: |\Large |\capacity |\dosing |\tanks |\will |\need |\to |\be |
constructed |\on |\site. |- |\CORRECT |\ANSWERS |\✔✔True Dosing |\tanks |\shall |\have |\a |\water-tight |\access |\cover |\at |\least |
____________ |\inches |\in |\diameter |\extending |\to |\the |\ground |\or |\no |\more |\than |______________ |\inches |\below |\the |\ground |\surface. |- |\CORRECT |
ANSWERS |\✔✔ 24 |\inches, 12 |\inches When |\pumps |\are |\used |\to |\does |\field |\lines, |\consideration |\must |\be |
given |\to |\the |_____________________, |________________________, |\and |
________________________________________________. |- |\CORRECT |\ANSWERS |
✔✔wastewater |\characteristics, |\desired |\discharge |\rate, |\and |\total |
dynamic |\head |\require |\for |\the |\system.
The |\total |\dynamic |\head |\is |\calculated |\by |- |\CORRECT |\ANSWERS |
✔✔adding |\the |\elevation |\difference |\between |\the |\discharge |\outlet |
and |\the |\lowest |\water |\level |\in |\the |\dosing |\tank |\to |\the |\friction |\losses |
incurred |\in |\the |\discharge |\pipe. |\The |\velocity |\head |\can |\be |\neglected |
in |\most |\applications. For |\a |\pump |\to |\be |\Satisfactory |\in |\a |\system |\It |\must... |- |\CORRECT |
ANSWERS |\✔✔be |\able |\to |\overcome |\the |\amount |\of |\head |\or |\more |\at |
an |\acceptable |\discharge |\rate. When |\field |\lines |\are |\above |\the |\elevation |\of |\the |\operating |\water |
level |\of |\the |\tank, |\a |_______________________ |\should |\be |\used |\to |\prevent |\the |\contents |\of |\discharge |\pipes |\from |\emptying |\back |\into |\the |\tank. |- |\CORRECT |\ANSWERS |\✔✔check |\valve When |\field |\lines |\are |\below |\the |\elevation |\of |\the |\operating |\water |
level |\of |\the |\tank, |\a |________________________ |\should |\be |\placed |\in |\the |
discharge |\pipe |\before |\it |\exits |\the |\tank |\to |\prevent |\siphoning |\the |
remaining |\contents |\of |\the |\tanks |\after |\the |\pump |\shuts |\off. |- |
CORRECT |\ANSWERS |\✔✔hole |\or |\other |\vacuum |\breaking |\device _____________ |\are |\the |\non-mechanical |\alternative |\to |\pumps. |- |
CORRECT |\ANSWERS |\✔✔Siphons How |\do |\Siphons |\work? |- |\CORRECT |\ANSWERS |\✔✔As |\the |\dosing |\tank |
fills, |\head |\pressure |\increases |\in |\the |\tank |\to |\a |\point |\that |\will |\force |\
True |\or |\False: |\The |\purpose |\of |\the |\grease |\trap |\is |\to |\the |\grease |\from |\the |\other |\water |\carried |\waste |\which |\will |\protect |\the |\pipes |\in |\the |
system |\from |\clogging |\the |\soil. |- |\CORRECT |\ANSWERS |\✔✔True True |\or |\False: |\Effluent |\from |\the |\grease |\trap |\is |\deposited |\in |\the |
septic |\tank |\along |\with |\the |\other |\water |\carried |\waste |\from |\the |
facility. |- |\CORRECT |\ANSWERS |\✔✔True In |\Georgia |\the |\minimum |\sized |\grease |\trap |\allowable |\is |
__________________ |\gallons. |- |\CORRECT |\ANSWERS |\✔✔ 125 |\gallons. The |\sizing |\of |\grease |\traps |\should |\take |\into |\consideration |\the |
___________________ |\and |\the |___________________________________. |- |
CORRECT |\ANSWERS |\✔✔type |\of |\facility |\served |\and |\the estimated |\daily |\sewage |\flow. Grease |\traps |\may |\be |\constructed |\of |___________materials |\used |\for |
conventional |\septic |\tanks. |- |\CORRECT |\ANSWERS |\✔✔any It |\is |\recommended |\that |\grease |\traps |\be |\cleaned |\when |___________ |
percent |\of |\their |\grease |\retention |\capacity |\is |\reached. |- |\CORRECT |
ANSWERS |\✔✔75%
Commercial |\on-site |\sewage |\disposal |\systems |\shall |\adhere |\to |\all |\the |
standards |\established |\for |\residential |\systems |\unless |
__________________________________. |- |\CORRECT |\ANSWERS |\✔✔specifically |\addressed |\in |\the |\permit. Commercial |\systems |\shall |\be |\sized |\according |\to |\the |
______________________________________ |\for |\the |\facility |\to |\be |\served. |- |
CORRECT |\ANSWERS |\✔✔anticipated |\daily |\sewage |\flow For |\residential |\type |\facilities |\both |\single |\and |\multifamily, |
_________________ |\per |\bedroom |\will |\be |\used |\to |\estimate |\the |\number |
of |\gallons |\per |\day |\sewage |\flow. |- |\CORRECT |\ANSWERS |\✔✔ 150 |
gallons |\per |\bedroom Where |\garbage |\grinders |\are |\used |\increase |\tank |\capacity |\by |
__________________% |- |\CORRECT |\ANSWERS |\✔✔50% All |\solid |\pipe |\used |\in |\the |\installation |\of |\on-site |\sewage |\disposal |
systems |\shall |\be |\schedule |_________________ |\or |\equivalent. |(cast |\Iron |
shall |\be |\considered |\to |\meet |\the |\equivalency |\standard.) |- |\CORRECT |
ANSWERS |\✔✔ 40 |\PVC All |\wiring |\and |\electrical |\components |\for |\systems |\requiring |\electrical |\components |\should |\for |\systems |\requiring |\electrical |\components |
should |\meet |\the |\standards |\set |\forth |\in |\the |\
