An instrument used to measure soil compaction is: a Hydrometer b Cone penetrometer c Tachometer d Hygrometer

An instrument used to measure soil compaction is:
a Hydrometer
b Cone penetrometer
c Tachometer
d Hygrometer
by

1 Answer

Answer :

b Cone penetrometer
by

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Pick up the correct statement from the following: (A) O.M.C. refers to the moisture corresponding to the maximum point on the moisture content dry density curve (B) The line which shows moisture content dry density relation for soil containing a constant percentage of air voids, is known as air void line (C) The free fall of hammer for compaction is 30.5 cm (D) All the above

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Pick up the incorrect statement from the following: (A) Compaction has no effect on the structure of a soil (B) Permeability decreases with increase in the dry density of a compacted soil (C) A wet side compacted soil is more compressible than a dry side compacted soil (D) Dry side compaction soils swell more when given access to moisture

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The infiltration capacity during rain storm, is considerably reduced due to (A) Surface detention (B) Soil moisture (C) Compaction due to rain (D) All the above

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Thickness of a pavement may be reduced considerably by (A) Compaction of soil (B) Stabilisation of soil (C) Drainage of soil (D) Combination of all the above

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The bearing capacity of a water logged soil, may be improved by (A) Grouting (B) Chemical action (C) Drainage (D) Compaction

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For the determination of shear strength parameters, c and , of soil in the laboratory, the test to be conducted will be (a) Triaxial compression test (b) Sieve analysis (c) Compaction test (d) Relative density test

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The field density and field moisture content of a soil can be determined by 1. Core cutter method 2. Sand replacement method 3. Proctor compaction test 4. Modified proctor compaction test (a) 1, 2, 3 & 4 (b) 1 & 2 only (c) 2 & 3 only (d) 2 & 4 only

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Last Answer : (b) 1 & 2 only

The maximum dry density to which a soil may be compacted to depends upon a) Soil water content * b) The process of compaction c) The voids ratio d) Is independent of the type of soil

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Last Answer : a) Soil water content *

In case of compaction of soil by sheep foot roller maximum thickness of layer should not exceed buy more than -------------- centimeter of length of their teeth a) 5 centimeter* b) 4 centimeter c) 3 centimeter d) 2 centimeter

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Explain different methods of field compaction of soil.

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