OSSF DR TEST LATEST
PRACTICE EXAM
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
The ___________ and ____________ of each soil horizon should be measured
from ________ to _________ and recorded in the soil evaluation report. -
ANSWERS-sequence, depth, top, bottom
QUESTION 2
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. -
ANSWERS-24
QUESTION 3
If a soil with no gravel will not form a ribbon in the texture-by-feel method, it is
classified as ______ or ______, class ____. - ANSWERS-sand or loamy sand, Ib
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, OSSF DR TEST LATEST
PRACTICE EXAM
QUESTION 4
If a soil forms a ribbon greater than 2 inches, and neither smooth or gritty
consistency predominates, the soil is _______, class _____. - ANSWERS-clay, IV
QUESTION 5
Soil suitability factors include: _________, ________, and _________. -
ANSWERS-soil texture, soil depth, and restrictive horizon
QUESTION 6
Overall site suitability factors include ________, ________, ___________, and
____________. - ANSWERS-site factor, soil factors, groundwater evaluation, and
surface drainage analysis
QUESTION 7
A common reason for wastewater system failure is __________. - ANSWERS-
hydraulic overloading (due to modernized tank usually)
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2
, OSSF DR TEST LATEST
PRACTICE EXAM
QUESTION 8
The value Q is - ANSWERS-Quantity of Sewage (GPD)
QUESTION 9
Some malfunctioning OSSF can be made to function properly with minimal cost
by implementing ______________. - ANSWERS-water conservation measures.
QUESTION 10
In estimating water usage for a single-family dwelling, the number of _________
in the home is a key indicator; however, _________ should also be considered. -
ANSWERS-bedrooms, square footage
QUESTION 11
List four water saving plumbing devices that can be used in a home. - ANSWERS-
low flow toilets, low flow shower head, low flow faucets, pressure reducing valves
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PAGE
3
PRACTICE EXAM
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
The ___________ and ____________ of each soil horizon should be measured
from ________ to _________ and recorded in the soil evaluation report. -
ANSWERS-sequence, depth, top, bottom
QUESTION 2
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. -
ANSWERS-24
QUESTION 3
If a soil with no gravel will not form a ribbon in the texture-by-feel method, it is
classified as ______ or ______, class ____. - ANSWERS-sand or loamy sand, Ib
END OF
PAGE
1
, OSSF DR TEST LATEST
PRACTICE EXAM
QUESTION 4
If a soil forms a ribbon greater than 2 inches, and neither smooth or gritty
consistency predominates, the soil is _______, class _____. - ANSWERS-clay, IV
QUESTION 5
Soil suitability factors include: _________, ________, and _________. -
ANSWERS-soil texture, soil depth, and restrictive horizon
QUESTION 6
Overall site suitability factors include ________, ________, ___________, and
____________. - ANSWERS-site factor, soil factors, groundwater evaluation, and
surface drainage analysis
QUESTION 7
A common reason for wastewater system failure is __________. - ANSWERS-
hydraulic overloading (due to modernized tank usually)
END OF
PAGE
2
, OSSF DR TEST LATEST
PRACTICE EXAM
QUESTION 8
The value Q is - ANSWERS-Quantity of Sewage (GPD)
QUESTION 9
Some malfunctioning OSSF can be made to function properly with minimal cost
by implementing ______________. - ANSWERS-water conservation measures.
QUESTION 10
In estimating water usage for a single-family dwelling, the number of _________
in the home is a key indicator; however, _________ should also be considered. -
ANSWERS-bedrooms, square footage
QUESTION 11
List four water saving plumbing devices that can be used in a home. - ANSWERS-
low flow toilets, low flow shower head, low flow faucets, pressure reducing valves
END OF
PAGE
3
