Questions and answers for exam Preparation

MCQs

Total Questions : 1204 | Page 116 of 121 pages

Question 1151. Coefficient of consolidation of a soil is affected by_______________?

compressibility
permeability
both compressibility and permeability
none of the above

Discuss Question

Answer: Option C. -> both compressibility and permeability
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1152. Coefficient of consolidation for clays normally_______________?

decreases with increase in liquid limit
increases with increase in liquid limit
first increases and then decreases with increase in liquid limit
remains constant at all liquid limits

Discuss Question

Answer: Option A. -> decreases with increase in liquid limit
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1153. Time factor for a clay layer is_______________?

a dimensional parameter
directly proportional to permeability of soil
inversely proportional to drainage path
independent of thickness of clay layer

Discuss Question

Answer: Option B. -> directly proportional to permeability of soil
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1154. Degree of consolidation is________________?

directly proportional to time and inversely proportional to drainage path
directly proportional to time and inversely proportional to square of drainage path
directly proportional to drainage path and inversely proportional to time
directly proportional to square of drainage path and inversely proportional to time

Discuss Question

Answer: Option B. -> directly proportional to time and inversely proportional to square of drainage path
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1155. Compressibility of sandy soils is______________?

almost equal to that of clayey soils
much greater than that of clayey soils
much less than that of clayey soils
none of the above

Discuss Question

Answer: Option C. -> much less than that of clayey soils
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1156. Which one of the following clays behaves like a dense sand ?

over-consolidated ciay with a high over-consolidation ratio
over-consolidated clay with a low over-consolidation ratio
normally consolidated clay
under-consolidated clay

Discuss Question

Answer: Option A. -> over-consolidated ciay with a high over-consolidation ratio
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1157. Clay layer A with single drainage and coefficient of consolidation Cv takes 6 months to achieve 50% consolidation. The time taken by clay layer B of the same thickness with double drainage and coefficient of consolidation Cv/2 to achieve the same degree of consolidation is_________________?

3 months
6 months
12 months
24 months

Discuss Question

Answer: Option A. -> 3 months
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1158. Coarse grained soils are best compacted by a_______________?

drum roller
rubber tyred roller
sheep’s foot roller
vibratory roller

Discuss Question

Answer: Option D. -> vibratory roller
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1159. Coefficient of compressibility is_______________?

constant for any type of soil
different for different types of soils and also different for a soil under different states of consolidation
different for different types of soils but same for a soil under different states of consolidation
independent of type of soil but depends on the stress history of soil

Discuss Question

Answer: Option B. -> different for different types of soils and also different for a soil under different states of consolidation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1160. The ultimate consolidation settlement of a structure resting on a soil_______________?