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Author Archives: Anonymous

Find an equation for the ellipse described. Show your work t…

Find an equation for the ellipse described. Show your work to earn credit.Center at (0, 0); focus at (3, 0); vertex at (6, 0)

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List two types of pavements and their characteristics.

List two types of pavements and their characteristics.

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Data from the Standard Proctor Test on a soil shows that;  W…

Data from the Standard Proctor Test on a soil shows that;  Weight of mold + Compacted soil = 8.618 lbs. If the Weight of the Mold = 4.256 lbs., and the mold has a volume of 0.032 cu ft.   Calculate Wet Density of the soil in lbs./cu. ft   Calculate the Dry Density of the soil material if it has a Moisture Content of 16.89%. 

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List any four types of additives or admixtures used in concr…

List any four types of additives or admixtures used in concrete.

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Name two types of compactors you would expect to be most sui…

Name two types of compactors you would expect to be most suitable for compacting a heavy clay? 

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A hydraulic excavator is excavating the basement for a large…

A hydraulic excavator is excavating the basement for a large building. Heaped bucket capacity is 1.5 cu yd. The material is common earth with a bucket fill factor of 0.90. Job efficiency is 50 min/hour. The machine’s maximum depth of cut is 15 ft, and the average digging depth is 13 ft. The average swing angle is 180 degrees. Estimate the hourly production in loose measure.  Use the tables below for reference.    

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Give one example of an Equipment Preventive Maintenance you…

Give one example of an Equipment Preventive Maintenance you know.      

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List any four components used in the production of Asphalt M…

List any four components used in the production of Asphalt Mixes.

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List the four principal methods for achieving ground modific…

List the four principal methods for achieving ground modification or soil stabilization. Provide one example for each. 

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List any four attachments for a hydraulic excavator

List any four attachments for a hydraulic excavator

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