1|Page
NEW MEXICO (MS-3) CESSPOOLS, SEPTIC TANKS &
SEWERS VERIFIED EXAMINATION COMPLETE
QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE!!!
Which of the following septic tank construction material is
not allowed in Tennessee?
a. Concrete
b. Fiberglass
c. Polyethylene
d. Steel - Answer-d. Steel
Water-tightness is important in septic tanks because:
a. Leakage into the septic tank may hydraulically overload
it
b. A leaking septic tank could contaminate the
groundwater
c. Rodents can enter the tank and use it as a burrow
which will lead to blockages
d. Both A and B
e. All of the above - Answer-d. Both A and B
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Leakage into the septic tank may hydraulically overload it
AND A leaking septic tank could contaminate the
groundwater
It is assumed that a properly functioning septic tank will
produce a 50% reduction in oxygen demand.
a. True
b. False - Answer-a. True
Which of the following is the proper sequence of stages
involving bacteria in anaerobic decomposition?
a. Stage 1: Acid forming bacteria, Stage 2: Denitrifying
bacteria
b. Stage 1: Methane forming bacteria, Stage 2: Acid
forming bacteria
c. Stage 1: Acid forming bacteria, Stage 2: BOD bacteria
d. Stage 1: Acid forming bacteria, Stage 2: Methane
forming bacteria - Answer-d. Stage 1: Acid forming
bacteria, Stage 2: Methane forming bacteria
The goal of a septic tank is to create zero velocity
conditions for optimum solids removal.
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a. True
b. False - Answer-a. True
Riser pipes should be installed over both inlet and outlet
manholes on a septic tank.
a. True
b. False - Answer-a. True
What are the two major parts of a basic individual onsite
wastewater treatment system?
a. Septic tank and Effluent filter
b. Septic tank and soil adsorption system (usually a leach
field)
c. Collection system and Septic tank
d. Collection system and Activated Sludge System -
Answer-b. Septic tank and soil adsorption system (usually
a leach field)
Which of the following is not an approved Conventional
SSDS Substitute Product?
a. Large Diameter Gravelless Pipe (LDGP)
b. Chambers
c. Expanded Polystyrene (EPS)
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d. Peat moss - Answer-d. Peat moss
Tennessee Regs allow both single-compartment and two-
compartment septic tanks.
a. True
b. False - Answer-b. False
1. Which of the following statements about alternative
methods of subsurface sewage disposal systems is false?
a. An LPP system is a shallow, pressure-dosed system
with a network of small diameter perforated pipes
b. A mound system is a soil absorption system that is
located below the natural soil surface
c. Lagoon systems require a minimum of 5 acre tract and
a minimum of 5 ft. heavy clay
d. Subsurface drip disposal systems rely on gravity for the
uniform application of treated effluent throughout the
disposal field - Answer-d. Subsurface drip disposal
systems rely on gravity for the uniform application of
treated effluent throughout the disposal field
1. Septic tanks are designed to accept which of the
following materials?
NEW MEXICO (MS-3) CESSPOOLS, SEPTIC TANKS &
SEWERS VERIFIED EXAMINATION COMPLETE
QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE!!!
Which of the following septic tank construction material is
not allowed in Tennessee?
a. Concrete
b. Fiberglass
c. Polyethylene
d. Steel - Answer-d. Steel
Water-tightness is important in septic tanks because:
a. Leakage into the septic tank may hydraulically overload
it
b. A leaking septic tank could contaminate the
groundwater
c. Rodents can enter the tank and use it as a burrow
which will lead to blockages
d. Both A and B
e. All of the above - Answer-d. Both A and B
,2|Page
Leakage into the septic tank may hydraulically overload it
AND A leaking septic tank could contaminate the
groundwater
It is assumed that a properly functioning septic tank will
produce a 50% reduction in oxygen demand.
a. True
b. False - Answer-a. True
Which of the following is the proper sequence of stages
involving bacteria in anaerobic decomposition?
a. Stage 1: Acid forming bacteria, Stage 2: Denitrifying
bacteria
b. Stage 1: Methane forming bacteria, Stage 2: Acid
forming bacteria
c. Stage 1: Acid forming bacteria, Stage 2: BOD bacteria
d. Stage 1: Acid forming bacteria, Stage 2: Methane
forming bacteria - Answer-d. Stage 1: Acid forming
bacteria, Stage 2: Methane forming bacteria
The goal of a septic tank is to create zero velocity
conditions for optimum solids removal.
,3|Page
a. True
b. False - Answer-a. True
Riser pipes should be installed over both inlet and outlet
manholes on a septic tank.
a. True
b. False - Answer-a. True
What are the two major parts of a basic individual onsite
wastewater treatment system?
a. Septic tank and Effluent filter
b. Septic tank and soil adsorption system (usually a leach
field)
c. Collection system and Septic tank
d. Collection system and Activated Sludge System -
Answer-b. Septic tank and soil adsorption system (usually
a leach field)
Which of the following is not an approved Conventional
SSDS Substitute Product?
a. Large Diameter Gravelless Pipe (LDGP)
b. Chambers
c. Expanded Polystyrene (EPS)
, 4|Page
d. Peat moss - Answer-d. Peat moss
Tennessee Regs allow both single-compartment and two-
compartment septic tanks.
a. True
b. False - Answer-b. False
1. Which of the following statements about alternative
methods of subsurface sewage disposal systems is false?
a. An LPP system is a shallow, pressure-dosed system
with a network of small diameter perforated pipes
b. A mound system is a soil absorption system that is
located below the natural soil surface
c. Lagoon systems require a minimum of 5 acre tract and
a minimum of 5 ft. heavy clay
d. Subsurface drip disposal systems rely on gravity for the
uniform application of treated effluent throughout the
disposal field - Answer-d. Subsurface drip disposal
systems rely on gravity for the uniform application of
treated effluent throughout the disposal field
1. Septic tanks are designed to accept which of the
following materials?
