When conducting a falling head test for a coarse soil sample, what
adjustment should be made to the test setup?

Question

Accepted Answer

Use a larger standpipe or tube to prevent
clogging and ensure accurate measurements.

Answer

Increase the height of the standpipe to
accommodate higher head measurements.

Answer

Decrease the diameter of the standpipe to reduce
water loss during the test.

Answer

Increase the water temperature to improve soil
permeability.

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