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Waste Water Engineering

Waste Water Engineering
In SI units the power of sound is represented in

Watts
Kgs
Joules
Newtons

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Waste Water Engineering
The settlement of a particle in sedimentation tank, is affected by

Velocity of flow
Size and shape of solid
All listed here
Viscosity of water

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Waste Water Engineering
For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of

HCl
HNO₃
H₂SO₄
None of these

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Waste Water Engineering
If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is

1045 mm
1075 mm
1065 mm
1095 mm

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Waste Water Engineering
If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is

50 cm
90 cm
80 cm
100 cm

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Waste Water Engineering
If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is

1.49 m
1.39 m
1.59 m
1.69 m

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