Calculate expected error l if a theodolite has direct

Reference no: EM13533348

1.In order to determine the hardness of a solution, a small amount ofErichrome Black T is added to 100 mL of sample. Afteraddition of 11.2 mL of 0.01 M EDTA solution, the color of thesolution changes from red to blue. What is the hardnessconcentration in moles/liter and in mg/L as CaCO₃?

2.The bottom of a rectangular flume is 5mabove reference level. The depth of the water in the flume is 3m.The average velocity is 1.7 m/s. Compute the total hydraulic energyat the surface of the water and at the bottom of the flume.

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3.Calculate expected error L if a theodolite has direct angularaccuracy of 10” and a distance of 2500ft was measured.

Reference no: EM13533348

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