Questions and answers for exam Preparation

MCQs

Total Questions : 219 | Page 19 of 22 pages

Question 181. Secondary consolidation starts in the range of primary consolidation itself.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 182. Secondary consolidation may not constitute a substantial percentage of total settlement for __________

highly organic soils
inorganic soil
highly micaceous soils
gyttja

Discuss Question

Answer: Option B. -> inorganic soil
Answer: (b).inorganic soil

Question 183. Secondary compression proceeds linearly with ________

root of time
square of time
logarithm of time
cube of time

Discuss Question

Answer: Option C. -> logarithm of time
Answer: (c).logarithm of time

Question 184. For a soil at a given void ratio, the coefficient of compressibility _____________

increases with increase in magnitude of consolidating pressure
increases with decreases in magnitude of consolidating pressure
decreases with increase in magnitude of consolidating pressure
decreases with increase in magnitude of hydrostatic pressure

Discuss Question

Answer: Option A. -> increases with increase in magnitude of consolidating pressure
Answer: (a).increases with increase in magnitude of consolidating pressure

Question 185. The secondary consolidation is represented by __________

\(∆e = -α *⁡\frac{t_1}{t_2}\)
\(∆e = -α log_{10}⁡\frac{t_2}{t_1}\)
\(∆e = -log_{10}⁡\frac{t_1}{t_2}\)
∆e = α log₁₀⁡t₁

Discuss Question

Answer: Option B. -> \(∆e = -α log_{10}⁡\frac{t_2}{t_1}\)
Answer: (b).\(∆e = -α log_{10}⁡\frac{t_2}{t_1}\)

Question 186. The three dimensional consolidation involves _____________

only horizontal flow and strain
only vertical flow and strain
both horizontal as well as vertical flows and strains
only radial flow and strain

Discuss Question

Answer: Option C. -> both horizontal as well as vertical flows and strains
Answer: (c).both horizontal as well as vertical flows and strains

Question 187. In 1935, solved the differential equation of consolidation by radial flow to a well.

Rendulic
Skempton
Taylor
Darcy

Discuss Question

Answer: Option A. -> Rendulic
Answer: (a).Rendulic

Question 188. The theory of the primary design of sand drains based upon the extension of Terzaghi’s basic work was largely developed by ___________