1. The coefficient of consolidation is measured ?

cm²/g

cm²/s

g/cm²/s

cm²/g/s

Answer: cm²/s

Explanation:


2. The angle of internal friction of round-grained loose sand is about ?

5° to 25°

25? to 30?

30° to 35?

32? to 37?

Answer: 25? to 30?

Explanation: