Questions and Answers of Determination of Coefficient of Consolidation in Soil Mechanics for Civil Engineering.

**Upto what the curve is straight?**

(A). U = 60%

(B). U = 65%

(C). U = 70%

(D). U = 55%

(E). None of these

Multiple Choice Question Answer: a

**Which curve is plotted from practical data, in the square root of the time fitting?**

(A). the time t in abscissa and the dial reading R in an Ordinate

(B). the time t2 in abscissa and the dial reading R in an Ordinate

(C). the root of the time √t in abscissa and the dial reading R in an Ordinate

(D). the time t3 in abscissa and the dial reading R in an Ordinate

(E). None of these

Multiple Choice Question Answer: c

**What is the consolidation between Ro and Rc called?**

(A). initial consolidation

(B). corrected zero reading

(C). secondary consolidation

(D). initial zero reading

(E). None of these

Multiple Choice Question Answer: a

**By comparing characteristics of what, the coefficient of consolidation is determined?**

(A). the time factor Tv and degree of the consolidation U

(B). the degree of consolidation U and the pore pressure u

(C). the pore pressure of u and the effective pressure of σ’

(D). the effective pressure of σ’ and the total pressure of σ

(E). None of these

Multiple Choice Question Answer: a

**An abscissa at U=90% is roughly equal to what times the abscissa at U=60%?**

(A). 0

(B). 1.10

(C). 1.15

(D). 1.00

(E). None of these

Multiple Choice Question Answer: c

**Who suggested the use of the square root of fitting method?**

(A). Terzaghi

(B). Taylor

(C). Darcy

(D). Skempton

(E). None of these

Multiple Choice Question Answer: b

**How can we find the coefficient of consolidation?**

(A). by the square root of the time fitting method only

(B). by the logarithm of the time fitting method only

(C). by both square root of time fitting and the logarithm of the time fitting method

(D). no method is available

(E). None of these

Multiple Choice Question Answer: c

**The theoretical graph is plotted among what in the square root of time fitting method?**

(A). the Tv−−√ is an abscissa and U is an ordinate

(B). the U is an abscissa and Tv−−√ is an abscissa

(C). the Tv is an abscissa and U is an ordinate

(D). the Tv−−√3 is an abscissa and U is an ordinate

(E). None of these

Multiple Choice Question Answer: a

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