water distribution test D1 /D2
questions with 100% Correct Solutions
The elevation of the free surface in a water table well wich is not running is called
- ANSWER Static water level
The maximum momentary load placed on a water supply system is known as - ANSWER
Peak demand
Most below ground level storage tanks are constructed of - ANSWER Concrete
Hey bacteriological sampling bottle should be - ANSWER Filled carefully to leave a
small air space
When fully open, wich of the following will have the lowest friction loss - ANSWER
Gate valve
Enclosed, open, and smi closed are terms used for the designation and selection of -
ANSWER Impellers
The process by wich water changes from the gas to the liquid form is called -
ANSWER Condensation
Sleeve type and victaulic couplings are the most common forms of -
ANSWER Mechanical couplings
, The most commonly used meter on a small diameter domestic service is the -
ANSWER Mutating disc meter
If a pump sounds like it's pumping rocks, the most likecly cause is - ANSWER Cavitation
"Backflow Device" is termedused to describe a device that - ANSWER Prevents back flow
of potentially contaminated source in to drinking water
Which is a devices used to measure flow - ANSWER Weir
When closing a hydrant, it should be - ANSWER Closed slowly to reduce surges
A bacteriological test that measures only the presence or absence of Califorms is
- ANSWER Colilert
A compound meter is a device which - ANSWER Provides accurate reading over a wide
range of flows
The rotating element in a centrifugal pump is commonly called the - ANSWER Impeller
The packing gland serves many functions in a centrifugal pump. Among these is
- ANSWER Keep gritty material from entering the packing box
What are the names of positive displacement pumps - ANSWER Reciprocating
and rotary
What is the practical maximum suction lift for a centrifugal pump in good
working condition - ANSWER 15 to 25 feet
questions with 100% Correct Solutions
The elevation of the free surface in a water table well wich is not running is called
- ANSWER Static water level
The maximum momentary load placed on a water supply system is known as - ANSWER
Peak demand
Most below ground level storage tanks are constructed of - ANSWER Concrete
Hey bacteriological sampling bottle should be - ANSWER Filled carefully to leave a
small air space
When fully open, wich of the following will have the lowest friction loss - ANSWER
Gate valve
Enclosed, open, and smi closed are terms used for the designation and selection of -
ANSWER Impellers
The process by wich water changes from the gas to the liquid form is called -
ANSWER Condensation
Sleeve type and victaulic couplings are the most common forms of -
ANSWER Mechanical couplings
, The most commonly used meter on a small diameter domestic service is the -
ANSWER Mutating disc meter
If a pump sounds like it's pumping rocks, the most likecly cause is - ANSWER Cavitation
"Backflow Device" is termedused to describe a device that - ANSWER Prevents back flow
of potentially contaminated source in to drinking water
Which is a devices used to measure flow - ANSWER Weir
When closing a hydrant, it should be - ANSWER Closed slowly to reduce surges
A bacteriological test that measures only the presence or absence of Califorms is
- ANSWER Colilert
A compound meter is a device which - ANSWER Provides accurate reading over a wide
range of flows
The rotating element in a centrifugal pump is commonly called the - ANSWER Impeller
The packing gland serves many functions in a centrifugal pump. Among these is
- ANSWER Keep gritty material from entering the packing box
What are the names of positive displacement pumps - ANSWER Reciprocating
and rotary
What is the practical maximum suction lift for a centrifugal pump in good
working condition - ANSWER 15 to 25 feet
