0.23 Assertion (A) : Permeability continues to
decrease with the increase in dry density of a
compacted soil.
Reason (R) : Soil particles in water surroundings
may be mutually attracted or repulsed.
(a) Both A and R are true and R is the correct
explanation of A
(b) Both A and R are true but R is not a correct
explanation of A
(c) A is true but R is false
(d) A is false but R is true
Answers
Answered by
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(a) Both A and R are true and R is the correct explanation of A
Explanation for correct option:
- It is true that the permeability is decreased with the increase in the dry density of compacted soil.
- Dry density is defined as soil density when it is completely dry. So, obviously, when the soil is dry the soil gets compact and the available place for the fluid decreases.
Explanation for incorrect option:
- (b) Both A and R are true but R is not a correct is incorrect because R is the correct explanation of A.
Explanation for incorrect option:
- (c) A is true but R is false is incorrect because reason is the correct explanation of the assertion.
Explanation for incorrect option:
- (d) A is false but R is true is incorrect because both assertion and reason are correct.
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