CMAA PREMIUM EXAM PAPER TESTED QUESTIONS CORRECT ANSWERS
CMAA Final Study Paper 2026/2027 Questions and
Answers Verified Solutions Latest Update
Question:
_______ adopted the current OSSF Rules in 1997 and revised them several times.
Answer:
TCEQ
Question:
Class II soils include the USDA classes of _________ and __________.
Answer:
sandy loam, loam
Question:
The _________ is a tool to graphically delineate soil textural classes.
Answer:
USDA soil textural triangle
Question:
List the two unsuitable types of soil structure or structural condition.
Answer:
Platy (like a stack of plates) Massive ( can't break it up, huge pieces)
Question:
A soil color pattern of orange and brown on a background of gray or bluish color is called.
Answer:
,mottling
Question:
The ideal soil environment for organic effluent decomposition is one of good ______ and ________.
Answer:
soil air, soil water balance
Question:
Soil associations are _______ units which encompass broad areas with similar patterns of
__________, __________, __________, and _________.
Answer:
soil. soil profiles, vegetation, relief, and drainage
Question:
The county ____________________ is an essential tool for conducting a site evaluation but does
not take the place of the on-site field soil evaluation.
Answer:
soil survey
Question:
Sites with greater than ____ percent slope are unsuitable.
Answer:
30
Question:
A minimum lot size of _______ acre is required for subdivisions serviced by _________ water. The
minimum size is ______ acre for those serviced by ___________.
,Answer:
0.5, public, 1, private well
Question:
Soil evaluation pits shall be excavated to a depth of _____ inches below the proposed _________ or
to a _________ horizon, whichever is shallower.
Answer:
24, drainfield, restrictive
Question:
Any soil profile with an indication of high-water table within _____ inches below the proposed
drainfield shall be considered _____________ for a standard drainfield.
Answer:
24, unsuitable
Question:
The ___________ and ____________ of each soil horizon should be measured from ________ to
_________ and recorded in the soil evaluation report.
Answer:
sequence, depth, top, bottom
Question:
The depth of soil classified as suitable with respect to texture shall be at least ____ inches below the
bottom of the proposed excavation for a standard drainfield.
Answer:
24
Question:
, If a soil with no gravel will not form a ribbon in the texture-by-feel method, it is classified as
______ or ______, class ____.
Answer:
sand or loamy sand, Ib
Question:
If a soil forms a ribbon greater than 2 inches, and neither smooth or gritty consistency predominates,
the soil is _______, class _____.
Answer:
clay, IV
Question:
Soil suitability factors include: _________, ________, and _________.
Answer:
soil texture, soil depth, and restrictive horizon
Question:
Overall site suitability factors include ________, ________, ___________, and ____________.
Answer:
site factor, soil factors, groundwater evaluation, and surface drainage analysis
Question:
A common reason for wastewater system failure is __________.
Answer:
hydraulic overloading (due to modernized tank usually)
Question:
CMAA Final Study Paper 2026/2027 Questions and
Answers Verified Solutions Latest Update
Question:
_______ adopted the current OSSF Rules in 1997 and revised them several times.
Answer:
TCEQ
Question:
Class II soils include the USDA classes of _________ and __________.
Answer:
sandy loam, loam
Question:
The _________ is a tool to graphically delineate soil textural classes.
Answer:
USDA soil textural triangle
Question:
List the two unsuitable types of soil structure or structural condition.
Answer:
Platy (like a stack of plates) Massive ( can't break it up, huge pieces)
Question:
A soil color pattern of orange and brown on a background of gray or bluish color is called.
Answer:
,mottling
Question:
The ideal soil environment for organic effluent decomposition is one of good ______ and ________.
Answer:
soil air, soil water balance
Question:
Soil associations are _______ units which encompass broad areas with similar patterns of
__________, __________, __________, and _________.
Answer:
soil. soil profiles, vegetation, relief, and drainage
Question:
The county ____________________ is an essential tool for conducting a site evaluation but does
not take the place of the on-site field soil evaluation.
Answer:
soil survey
Question:
Sites with greater than ____ percent slope are unsuitable.
Answer:
30
Question:
A minimum lot size of _______ acre is required for subdivisions serviced by _________ water. The
minimum size is ______ acre for those serviced by ___________.
,Answer:
0.5, public, 1, private well
Question:
Soil evaluation pits shall be excavated to a depth of _____ inches below the proposed _________ or
to a _________ horizon, whichever is shallower.
Answer:
24, drainfield, restrictive
Question:
Any soil profile with an indication of high-water table within _____ inches below the proposed
drainfield shall be considered _____________ for a standard drainfield.
Answer:
24, unsuitable
Question:
The ___________ and ____________ of each soil horizon should be measured from ________ to
_________ and recorded in the soil evaluation report.
Answer:
sequence, depth, top, bottom
Question:
The depth of soil classified as suitable with respect to texture shall be at least ____ inches below the
bottom of the proposed excavation for a standard drainfield.
Answer:
24
Question:
, If a soil with no gravel will not form a ribbon in the texture-by-feel method, it is classified as
______ or ______, class ____.
Answer:
sand or loamy sand, Ib
Question:
If a soil forms a ribbon greater than 2 inches, and neither smooth or gritty consistency predominates,
the soil is _______, class _____.
Answer:
clay, IV
Question:
Soil suitability factors include: _________, ________, and _________.
Answer:
soil texture, soil depth, and restrictive horizon
Question:
Overall site suitability factors include ________, ________, ___________, and ____________.
Answer:
site factor, soil factors, groundwater evaluation, and surface drainage analysis
Question:
A common reason for wastewater system failure is __________.
Answer:
hydraulic overloading (due to modernized tank usually)
Question:
