U.S. Army Corps of Engineers Civil Engineer Soil Practice Questions
The free U.S. Army Corps of Engineers Civil Engineer questions that deal with soil, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #2
Which soil type has the highest permeability?
Correct answer: D
Explanation
Sand has large particles which create larger voids, allowing water to flow through easily.
Question #6
What is the primary goal of a soil compaction test?
Correct answer: A
Explanation
The primary goal is to measure the density of soil and its ability to bear load.
Question #9
What is the effect of adding water to a clay soil?
Correct answer: D
Explanation
Adding water can reduce the shear strength of clay, making it more susceptible to failure.
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