OSSF DR TEST PRACTICE QUESTIONS AND ANSWERS| 100%VERIFIED| ALREADY PASSED| LATEST

OSSF DR TEST PRACTICE QUESTIONS AND ANSWERS| 100%VERIFIED| ALREADY PASSED| LATEST ______ and ________ soil textural classes are always unsuitable for standard absorptive OSSF class IA and IV List each of the major soil horizons 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. Hydraulic conductivity, saturated, unsaturated Interconnected pores in the soil profile allow ______ and _______ to enter the soil at its surface and migrate downward air, water List the four components of soil 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)? 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? 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? 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.