The main function of distribution storage in a water supply system is
a. provision of reserve supplies for emergencies
b. reduction of required pipe sizes and capacities
c. to meet hourly variations in water demand
d. to stabilize pressures in the water distribution system
e. all of the above
Question 2
A check valve is commonly used for
a. tight shutoff of flow in a water main
b. throttling the flow in a water main
c. controlling the flow of wastewater in a gravity sewer
d. protection of maintenance workers in drop manholes
e. prevention of backflow in pump discharge piping after shut off
The digestive system.
Functional divisions of the nervous system.
When checking a waste spark-type ignition system, check that the secondary wires are attached to the ...
The gastrointestinal system.
Running Water
State the transformations on the function f(x)= 4sin(x-pi)-2 and then graph two cycles below.