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Environmental Engineering

Environmental Engineering
Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank

Only (i)
Only (iii)
(i) and (iii)
(i) and (ii)

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Environmental Engineering
The maximum discharge of a tube well is about

50 liters/sec
5 liters/sec
1000 liters/sec
500 liters/sec

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Environmental Engineering
For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be

X
2X
X/2
X/4

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Environmental Engineering
Which of the following compounds is widely used for algae control?

Sodium sulphate
Copper sulphate
Calcium chloride
Sodium chloride

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Environmental Engineering
The velocity of flow does not depend on

Grade of sewer
Roughness of sewer
Hydraulic mean depth of sewer
Length of sewer

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Environmental Engineering
The most common cause of acidity in water is

Hydrogen
Carbon dioxide
Nitrogen
Oxygen

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MORE MCQ ON Environmental Engineering

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