Question: 8 (2018 exam) (a) Discuss the engineering schemes that require estimation of areas and volumes. (b) What are the two basic methods used for volume

8 (2018 exam) (a) Discuss the engineering schemes that require estimation of areas and volumes. (b) What are the two basic methods used for volume calculations? Show the arithmetical procedures of estimating volumes of a prism, wedge and a pyramid using these two methods and comment about the accuracy. (c) Calculate the side widths (w) and cross sectional areas of cut and fill on a hillside section having the following dimensions. Road width 20m Existing ground slope 1 in 5 Side slope in cut 1 in 1 Side slope in fill 1 in 2 Centre height in cut 1m

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