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 female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga
Color monitor for a computer system.
How to find the critical numbers of a function
The main veins of the leg. A. Anterior view. B. Posterior view
Distribution of Modern Day Oceanic Plateaus and Fragments