CPESC AU PRACTICE QUESTIONS WITH COMPLETE SOLUTIONS

Most plants are useful for erosion control, but some are more desirable than others due to: correct answer: adaptability to physical and climatic site conditions For a given amount of water, which has the more kinetic energy correct answer: rainfall at 100mm/hr (more than water running off in rills) The definition for hydraulic radius is correct answer: the ratio of a cross-sectional area to the corresponding wetted perimeter a factor that can afffect stormwater runoff volume is correct answer: the hydrolic soil group when specifying a legume in a seed mixture for revegetation one should correct answer: specify the legume inoculation rate which one of the following sediment basin shapes has the greatest potential for being most effective in removing suspended particles for a coarse grained soil: correct answer: a rectangular basin having a length :width ration = 8:1 The collar on the underground portion of the discharge pipe in a sediment basin is correct answer: to control seepage along the pipe to avoid soil erosion, all sites should b