OSSF DR TEST Practice
Comprehensive Study Guide + Exam
Questions & Solutions Graded A+
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,_______ and ________ soil textural classes are always
unsuitable for standard absorptive OSSF - Answer: class IA
and IV
List each of the major soil horizons - Answer: surface soil A,
surface soil B, and parent material
_____________ is a term describing the ability of water to
migrate through a soil profile under either _________ or
__________ conditions. - Answer: Hydraulic conductivity,
saturated, unsaturated
Interconnected pores in the soil profile allow ______ and
_______ to enter the soil at its surface and migrate downward
- Answer: air, water
List the four components of soil - Answer: air, water, organics,
inorganics
A drainfield is 50 feet by 90 feet and must be covered with an
average of 15 inches of sand loam. How many cubic yards of
, sandy loam soil must be purchased (find the volume of a
rectangular object)? - Answer: 208.3 cubic yards
What would be the volume of a 5-foot-diameter pump tank
that is 5 feet tall with the inlet 1 foot below the rim? -
Answer: 587 gals
What would be the percent slope on a lot 250 feet deep that
drops 20 feet in elevation over the depth of the lot? - Answer:
8%
How many cubic yards of gravel would be needed to fill a
ditch 3 feet deep, 10 feet wide, and 12 feet long with 18
inches of gravel? 1 cubic yard = 27 cubic feet. - Answer: 6.67
cubic yards
A septic tank is 6 feet in diameter and is 8 feet deep. How
many gallons will it hold if the overflow line is located half
way up from the bottom? - Answer: 846 gals
Comprehensive Study Guide + Exam
Questions & Solutions Graded A+
Professional Academic Assistance Services
Services Offered
• Proctored Exam Assistance
• Online Class Management (Full Course Support)
• Exam Preparation & Study Materials
• Assignments and Coursework Support
• Essay and Research Paper Writing
• Discussion Posts & Responses
• Editing and Proofreading
• Confidential Academic Consultation
Contact Information
Email:
WhatsApp link: https://wa.me/254704846336
Fast Response | Confidential | Reliable Academic
Support
Helping Students Achieve Academic Excellence
,_______ and ________ soil textural classes are always
unsuitable for standard absorptive OSSF - Answer: class IA
and IV
List each of the major soil horizons - Answer: surface soil A,
surface soil B, and parent material
_____________ is a term describing the ability of water to
migrate through a soil profile under either _________ or
__________ conditions. - Answer: Hydraulic conductivity,
saturated, unsaturated
Interconnected pores in the soil profile allow ______ and
_______ to enter the soil at its surface and migrate downward
- Answer: air, water
List the four components of soil - Answer: air, water, organics,
inorganics
A drainfield is 50 feet by 90 feet and must be covered with an
average of 15 inches of sand loam. How many cubic yards of
, sandy loam soil must be purchased (find the volume of a
rectangular object)? - Answer: 208.3 cubic yards
What would be the volume of a 5-foot-diameter pump tank
that is 5 feet tall with the inlet 1 foot below the rim? -
Answer: 587 gals
What would be the percent slope on a lot 250 feet deep that
drops 20 feet in elevation over the depth of the lot? - Answer:
8%
How many cubic yards of gravel would be needed to fill a
ditch 3 feet deep, 10 feet wide, and 12 feet long with 18
inches of gravel? 1 cubic yard = 27 cubic feet. - Answer: 6.67
cubic yards
A septic tank is 6 feet in diameter and is 8 feet deep. How
many gallons will it hold if the overflow line is located half
way up from the bottom? - Answer: 846 gals
