WATER SUPPLY ENGINEERING QUIZ

reducing the flow velocity

using thicker pipes

reducing the draw down and the pumping rate

using screens having larger area of openings

Velocity of recharging water, increases with depression head

Depression head resulting at critical velocity, is called critical depression head

Working head is generally limited to ?rd of the critical depression head

Maximum safe yield of an open well, is expected at critical depression head

Acidity of water

O.D

None of these

Suspended solids

2880 kilo litres

1880 kilo litres

4880 kilo litres

3880 kilo litres

higher point

lower point

junction points

any where

increases dissolved oxygen content

reduces turbidity

helps growth of bacterias

impedes growth of algae

Below dead storage

Also known as valley storage

Above useful storage

Between dead storage and useful storage

to guard against water hammer

to increase the velocity in a pipeline

for storage water

as overflow valves

Bustan’s formula

All listed here

Kuichling’s formula

Freeman formula

light in weight and easy to transport

highly resistant to corrosion

very much smooth and hydraulically efficient

All listed here