CEC Section Quiz 11

1. Determine the center of gravity for the following load. Neglect the depth.

2. Calculate the Resisting Moment for a crane lifting a 100,000 lb load. The crane has a 25,000 lb counterweight and the distance from the counterweight CG to the toppling point is 10 ft. The crane weighs 90,000 lbs and the distance from the crane CG to the toppling point is 10’.

3. Calculate the hydraulic conductivity of a 30 in long soil sample that has a cross sectional area of 3 in2. The amount of water collected after 60 minutes is 3 in3. The measured head difference is 6 in.

4. Which of the following is not a typical method of installing a deep foundation?

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