Pick up the correct statement from the following : - Water Supply Engineering Quiz

Civil Engineering : Water Supply Engineering - Quiz(MCQ)

Pick up the correct statement from the following :

A)

The sum of specific yield and specific retention, is equal to porosity

B)

The ratio of volume drained to the total volume of material drained, is known as specific yield

C)

The volume of underground water extracted by gravity drainage from a saturated soil, is known as yield

D)

All of the above

Correct Answer : All of the above

Explanation : * The sum of specific yield and specific retention, is equal to porosity
* The volume of underground water extracted by gravity drainage from a saturated soil, is known as yield
* The ratio of volume drained to the total volume of material drained, is known as specific yield
* The volume of water retained by the soil against the pull of gravity, is called specific retention or field capacity

Recently Updated in Water Supply Engineering Questions

Normal values of overflow rate for plain sedimentation tanks in litres/hr/m², generally range between

A)

100 to 250

B)

250 to 500

C)

500 to 750

D)

750 to 1000

Correct Answer : Option (C) : 500 to 750

When gravity and pumping systems of water distribution are adopted, the type of distribution reservoir, is____.

A)

intz tank

B)

elevated tank

C)

stand pipe

D)

ground source reservoir

Correct Answer : Option (B) : elevated tank

If n is porosity, y is specific yield and r is specific retention of any soil, the relationship which holds good, is_____.

A)

n + y = r

B)

y + r = n

C)

n + r + y = 0

D)

n + y + r = 1

Correct Answer : Option (B) : y + r = n

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