Engineering, 26.02.2020 04:55 conniehodson

Results of a standard compaction test (mold volume 943.9 cm3 ) are:

Trial No. 1 Mass of soil + mold 5619g
Mass of mold 3735g
Water content test
Mass of sample + container 288.26g
Mass of dry sample + container 265.39g
Mass of container 104.31g

Trial No. 2 Dry density 1795 kg/m^3 w=14.9%
Trial No. 3 Dry density 1828 kg/m^3 w=15.6%
Trial No. 4 Dry density 1832 kg/m^3 w=16.5%
Trial No. 5 Dry density 1796 kg/m^3 w=17.6%

a. Complete the calculations for trial No. 1.
b. Draw the moisture-density curve using Excel or other spreadsheet programs. Include ZAV curves at w=16%, 17%, and 18%. (The relative density of the soil is 2.65.) Find the maximum dry density and the optimum water content.

Answers: 2

Show answers

Another question on Engineering

Engineering, 04.07.2019 18:10

Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.

Answers: 1

Answer

Engineering, 04.07.2019 18:10

Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10

Answers: 1

Answer

Engineering, 04.07.2019 18:10

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.

Answers: 3

Answer

Engineering, 04.07.2019 18:10

You are making beer. the first step is filling the glass carboy with the liquid wort. the internal diameter of the carboy is 15 in., and you wish to fill it up to a depth of 2 ft. if your wort is drawn from the kettle using a siphon process that flows at 3 gpm, how long will it take to fill?

Answers: 1

Answer

You know the right answer?

Results of a standard compaction test (mold volume 943.9 cm3 ) are:

Trial No. 1 Mass of...

Questions