Physics · Soil Mechanics
In a pycnometer test, let W1 be the weight of the empty pycnometer, W2 be the weight of the pycnometer with dry soil, W3 be the weight of the pycnometer with soil and water, and W4 be the weight of the pycnometer filled with water only. The specific gravity (G) of the soil solids is given by the expression:
- 1W2 - W1(W2 - W1) - (W3 - W4)✓
- 2W2W3 - W4
- 3W1 - W2(W3 - W1) - (W2 - W4)
- 4W2W4 - W2
Correct answer
W2 - W1(W2 - W1) - (W3 - W4)
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