OSSF DR TEST PRACTICE QUESTIONS AND ANSWERS VERIFIED 100% CORRECT

OSSF DR TEST PRACTICE QUESTIONS AND ANSWERS VERIFIED 100% CORRECT List the OSSF licenses that require previous experience - ANSWER -installer II, Site evaluator (SE), and Maintenance Provider (MP) An individual who visits a site and conducts soil evaluations and a site survey is a(n) __________. - ANSWER -site evaulator An individual who holds a valid license from the TCEQ and who is compensated by another individual to construct, install, alter, or repair an OSSF is a(n) _________. - ANSWER -installer The _______ is responsible for reviewing permit applications, site evaluations, planning materials, and conducting inspections of OSSFs - ANSWER -DR (designated representative) _______ adopted the current OSSF Rules in 1997 and revised them several times - ANSWER -TCEQ Class II soils include the USDA classes of _________ and __________. - ANSWER -sandy loam, loam The _________ is a tool to graphically delineate soil textural classes. - ANSWER -USDA soil textural triangle 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) A soil color pattern of orange and brown on a background of gray or bluish color is called - ANSWER -mottling The ideal soil environment for organic effluent decomposition is one of good ______ and ________. - ANSWER -soil air, soil water balance Soil associations are _______ units which encompass broad areas with similar patterns of __________, __________, __________, and _________. - ANSWER soil. soil profiles, vegetation, relief, and drainage 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 Sites with greater than ____ percent slope are unsuitable. - ANSWER -30 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 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 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 The ___________ and ____________ of each soil horizon should be measured from ________ to _________ and recorded in the soil evaluation report. - ANSWER -sequence, depth, top, bottom 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 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 If a soil forms a ribbon greater than 2 inches, and neither smooth or gritty consistency predominates, the soil is _______, class _____. - ANSWER -clay, IV Soil suitability factors include: _________, ________, and _________. - ANSWER -soil texture, soil depth, and restrictive horizon Overall site suitability factors include ________, ________, ___________, and ____________. - ANSWER -site factor, soil factors, groundwater evaluation, and surface drainage analysis A common reason for wastewater system failure is __________. - ANSWER hydraulic overloading (due to modernized tank usually) The value Q is - ANSWER -Quantity of Sewage (GPD) Some malfunctioning OSSF can be made to function properly with minimal cost by implementing ______________. - ANSWER -water conservation measures. In estimating water usage for a single-family dwelling, the number of _________ in the home is a key indicator; however, _________ should also be considered. - ANSWER -bedrooms, square footage List four water saving plumbing devices that can be used in a home. - ANSWER low flow toilets, low flow shower head, low flow faucets, pressure reducing valves Identify four water-saving habits homeowners should adopt - ANSWER -don't leave water running, full laundry and dishwasher loads, reduce/eliminate use of garbage disposals, not using toilet for trash disposal Two wastewater tests commonly used to measure the strength of sewage are the ________ test and the ________ test. - ANSWER -BOD, TSS