CMAA EXAM REVIEW SOLVED QUESTIONS COMPLETE ANSWERS GRADED A PLUS
CMAA Comprehensive Script 2026/2027 Questions
and Answers Verified Solutions Latest Update
Question:
An important part of the installation of an LPD system is.
Answer:
checking and adjusting pressure on lines
Question:
Drip irrigation systems are most sensitive to which type of contaminant?
Answer:
suspended solids
Question:
A drip irrigation system must.
Answer:
be equipped with mechanisms to flush from the drainfield back to the treatment unit or pump tank
Question:
A mound or soil substitution drainfield is often used.
Answer:
when existing soils will not provide adequate treatment due to depth or texture
Question:
How many cubic yards of ASTMC-33 sand media must be purchased for an intermittent sand filter
treating wastewater from a new four bedroom home (with water-saving devices) in order to meet
,minimum state requirements?
Answer:
18.5
Question:
The _______ is responsible for reviewing permit applications, site evaluations, planning materials,
and conducting inspections of OSSFs.
Answer:
DR (designated representative)
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:
CMAA Comprehensive Script 2026/2027 Questions
and Answers Verified Solutions Latest Update
Question:
An important part of the installation of an LPD system is.
Answer:
checking and adjusting pressure on lines
Question:
Drip irrigation systems are most sensitive to which type of contaminant?
Answer:
suspended solids
Question:
A drip irrigation system must.
Answer:
be equipped with mechanisms to flush from the drainfield back to the treatment unit or pump tank
Question:
A mound or soil substitution drainfield is often used.
Answer:
when existing soils will not provide adequate treatment due to depth or texture
Question:
How many cubic yards of ASTMC-33 sand media must be purchased for an intermittent sand filter
treating wastewater from a new four bedroom home (with water-saving devices) in order to meet
,minimum state requirements?
Answer:
18.5
Question:
The _______ is responsible for reviewing permit applications, site evaluations, planning materials,
and conducting inspections of OSSFs.
Answer:
DR (designated representative)
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:
