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The magnitude of hoop stress on sewer is given

1

PD/2t

2

PD/t

3

2PD/t

4

PD/2

Solution:

The upper portion of Egg shaped sewer is called as

1

Level

2

Arch

3

Invert

4

Wedge

Solution:

Negative projecting condition is a type of

1

Trench ditch

2

Trench

3

Tunnel

4

Embankment

Solution:

Egg-shaped sewers are more suitable in a combined system during dry weather flow.

1

True

2

False

Solution:

Which of the following is not a sewer appurtenance?

1

Storm regulator

2

Flushing tank

3

Water tank

4

Manholes

Solution:

The ratio of the width of the standard section and new shaped section of Egg shaped section is

1

1:2

2

2:1

3

1:1

4

1:3

Solution:

The condition exists when the sewer is laid at a depth between 9m to 12m.

1

Trench ditch

2

Trench

3

Tunnel

4

Embankment

Solution:

In order to reduce temperature stress ______________ joints are provided.

1

Contraction

2

Expansion

3

Bell and spigot

4

Collar

Solution:

Which of the following has a minimum detention period?

1

Grit chamber

2

Sedimentation tank

3

Oxidation ditch

4

Oxidation pond

Solution:

Which sewer is used to carry the excess flow of the existing sewer?

1

Branch sewer

2

Relief sewer

3

Main sewer

4

Lateral sewer

Water-and-waste-water Questions Set 55:

The magnitude of hoop stress on sewer is given

Solution:

The upper portion of Egg shaped sewer is called as

Solution:

Negative projecting condition is a type of

Solution:

Egg-shaped sewers are more suitable in a combined system during dry weather flow.

Solution:

Which of the following is not a sewer appurtenance?

Solution:

The ratio of the width of the standard section and new shaped section of Egg shaped section is

Solution:

The condition exists when the sewer is laid at a depth between 9m to 12m.

Solution:

In order to reduce temperature stress ______________ joints are provided.

Solution:

Which of the following has a minimum detention period?

Solution:

Which sewer is used to carry the excess flow of the existing sewer?

Solution:

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