Geotechnical Engineering Mock Test 9

10%

Question 1 of 10

1. The use of square root of fitting method was suggested by ________

Skempton

Darcy

Terzaghi

Taylor

Question 1 of 10

Question 2 of 10

2. If coefficient of volume change is 0.291 m²/MN, ∆e=0.1 and the initial voids ratio is 0.72, then find the change in effective pressure.

200 KN/m²

300 KN/m²

00 KN/m²

50 KN/m²

Question 2 of 10

Question 3 of 10

3. From the coefficient of consolidation and coefficient of volume change, the coefficient of permeability is found by equation ____________

k=C_v m_v γ_v

k=C_v m_v

k=C_v γ_v

k=m_v γ_v

Question 3 of 10

Question 4 of 10

4. Secondary compression proceeds linearly with ________

square of time

cube of time

root of time

logarithm of time

Question 4 of 10

Question 5 of 10

5. There is plastic readjustment of soil particles during _____________

secondary consolidation

under- consolidation

normal- consolidation

pre-consolidation

Question 5 of 10

Question 6 of 10

6. The consolidation between R_o and R_c is called ______________

secondary consolidation

initial zero reading

initial consolidation

corrected zero reading

Question 6 of 10

Question 7 of 10

7. From the consolidation test data using the ‘change in void ratio’ method, the coefficient of volume change can be calculated by _____________

\(m_v=-\frac{∆e}{1+e_o}\)

\(m_v=-\frac{∆e}{1+e_o} \frac{10}{∆σ'}\)

\(m_v=-\frac{∆e}{1+e_o} \frac{1}{∆σ'}\)

\(m_v=-\frac{∆e}{1+e_o} \frac{1}{σ'} \)

Question 7 of 10

Question 8 of 10

8. The Rowe cell apparatus also measures the pore pressure.

False

True

Question 8 of 10

Question 9 of 10

9. From the practical data, in square root of time fitting, ______ curve is plotted.

time t in abscissa and dial reading R in Ordinate

t² in abscissa and dial reading R in Ordinate

t³ in abscissa and dial reading R in Ordinate

root of time √t in abscissa and dial reading R in Ordinate

Question 9 of 10

Question 10 of 10

10. For a foundation, find the elapsed time in which 10% of ultimate settlement will occur. The coefficient of consolidation is 4*10^-4cm²/s. The average drainage path is 50cm.

19.9 hours

17.5 hours

15.5 hours

13.9 hours

Question 10 of 10