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Civil Engineering Objective Questions { Soil Mechanics And Foundation Engineering }



169.  Pick up the correct statement applicable to plate load test
A. Width of the test pit for plate load test is made five times the width of the plate
B. At the centre of the test pit, a hole is dug out whose size is kept equal to the size of the test plate
C. Bottom level of the hole dug at the centre of the test pit, is kept at the level of the actual formation
D. All the above.
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170.  In a grain size analysis of soil, the gain size values and the corresponding percentage finer obtained are give below : (Grain size(mm)-Percent finer)(4.75-100)(2.00-82)(1.00-60)(0.50-44)(0.15-22)(0.075-10)(0.053-5) The uniformity coefficient of the soil, is
A.6.66
B.13.33
C.33.33
D. none of these.
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171. 260 g of wet soil was taken in a pycnometer jar of weight 400 g in order to find the moisture content in the soil, with specific gravity of soil particles 2.75. The weight of soil and remaining water filled in pycnometer without air bubbles was 1415 g and the weight of pycnometer filled with water alone was 1275 g. The moisture content in the soil is
A.24.20%
B.18.20%
C.53.80%
D. none of these.
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172. A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm3. If the specific gravity of soil particles and water are 2.7 and 1.0, the degree of saturation of the soil is
A.11.10%
B.55.60%
C.69.60%
D. none of these.
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173.  A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cmd, is
A.1.47
B.1.82
C.1.91
D. none of these.
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174.  A soil sample has passing 0.075 mm sieve = 60% liquid limit = 65% and plastic limit = 40%. The group index of the soil, is
A.5
B.20
C.40
D. none of these.
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175. 1n a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit of the soil, is
A.35%
B.50%
C.65%
D. none of these.
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