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Waste Water Engineering

Waste Water Engineering
The water carried sewerage system removes

Industrial sewage
All listed here
Storm sewage
Domestic sewage

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Waste Water Engineering
If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is

1.75 D
1.25 D
1.5 D
1.15 D

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Waste Water Engineering
In sewage having fully oxidised organic matter, the nitrogen exists in the form of

Free ammonia
Nitrites
Aluminoid nitrogen
Nitrates

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Waste Water Engineering
The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is

1 in 100 upward
1 in 503 upward
1 in 100 downward
1 in 500 upward

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Waste Water Engineering
Depletion of ozone layer in the outer atmosphere may cause

Bronchitis
Heart disorder
Skin cancer
Lung cancer

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Waste Water Engineering
Which one of the following resists hydrogen sulphide corrosion?

R.C.C.
Glazed ware
Asbestos cement
Glazed stone wares

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