What is the body of permeable rock which can contain or transmit groundwater called?

A)
Canal
B)
Aquifer
C)
Bore well
D)
Water table

Correct Answer :   Canal

Explanation : An aquifer is an underground layer of water-bearing permeable rock, rock features or unconsolidated material from which groundwater can be extracted using a water well

Recently Updated in Waste Water Engineering Questions
What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called?
A)
Algae growth
B)
Eutrophication
C)
Denitrification
D)
Nitrification

Correct Answer : Option (B) :   Eutrophication

Explanation : Eutrophication is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of water quality. The untreated wastewater is rich in organic matter which demands oxygen.

5 days-biochemical oxygen demand (BOD₅) is taken at a temperature of
A)
0°C
B)
15°C
C)
20°C
D)
25°C

Correct Answer : Option (C) :   20°C

Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for
A)
unexpected increase in the population
B)
under estimates of maximum and average flows
C)
unexpected large scale infiltration of stream water
D)
All of the above

Correct Answer : Option (D) :   All of the above

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