MCQ 1 Mechanical stabilization of soil is done with the help of

(A) Bitumen (B) Cement (C) Lime (D) Proper grading

MCQ 2 Compressibility of sandy soils is

(A) Almost equal to that of clayey soils (B) Much less than that of clayey soils (C) Much greater than that of clayey soils (D) None of the above

MCQ 3 The admixture of coarser particles like sand or slit to clay causes

(A) Decrease in both liquid limit and plasticity index (B) Decrease in liquid limit and no change in plasticity index (C) Decrease in both liquid limit and plasticity index (D) Decrease in liquid limit and increase in plasticity index

MCQ 4 Coefficient of permeability of soil

(A) Increases with the decrease in temperature (B) Does not depend upon temperature (C) Increases with the increase in temperature (D) None of the above

MCQ 5 With the increase in the amount of compaction energy

(A) Optimum water content decreases but maximum dry density increase (B) Both optimum water content and maximum dry density decreases (C) Both optimum water content and maximum dry density increase (D) Optimum water content increases but maximum dry density decreases

MCQ 6 A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and some times as much as an hour. Fifteen minutes call is more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be

(A) 27 minutes (B) 15 minutes (C) 21 minutes (D) 20.143 minutes

MCQ 7 Which of the following soils has more plasticity index?

(A) Clay (B) Silt (C) Sand (D) Gravel

MCQ 8 A pycnometer is used to determine

(A) Water content and voids ratio (B) Water content and specific gravity (C) Voids ratio and dry density (D) Specific gravity and dry density

MCQ 9 Water content of soil can

(A) Take values only from 0% to 100% (B) Be less than 0% (C) Never be greater than 100% (D) Be greater than 100%

MCQ 10 Coefficient of consolidation for clays normally

(A) Remains constant at all liquid limits (B) First increase and then decreases with increase in liquid limit (C) Increases with increase liquid limit (D) Decrease with increase in liquid limit

MCQ 11 Coarse grained soils are best compacted by a

(A) Sheep’s foot roller (B) Vibratory roller (C) Rubber tyred roller (D) Drum roller

MCQ 12 Degree of consolidation is

(A) Directly proportional to time and inversely proportional to square of drainage path (B) Directly proportional to square of drainage path and inversely proportional to time (C) Directly proportional to time and inversely proportional to drainage path (D) Directly proportional to drainage path inversely proportional to time

MCQ 13 The number of critical activities in the network is

(A) 6 (B) 7 (C) 9 (D) 11

MCQ 14 Lime stabilization is very effective in treating

(A) Non-plastic soils (B) Plastic clayey soils (C) Sandy soils (D) Silty soils

MCQ 15 The ratio of volume of voids to the total volume of soil mass is called

(A) Percentage air voids (B) Voids ratio (C) Porosity (D) Air content