496 AGRICULTURAL ENGINEERING 



other than that contained in the pipes. Definite information 

 is not at hand concerning the cost or the success of this system. 

 One distinct advantage of it is that water maybe pumped from 

 as many supplies as there are pumps. Thus one pump may 

 supply well water for drinking purposes, and another cistern 

 water for the bath and laundry. 



QUESTIONS 



1. What kind of pipe may be used in the distribution system, and 

 what are the merits of each? 



2. What are the sizes of pipe generally used for the farm water- 

 supply system? 



3. Explain how the loss of friction may be serious with small pipes. . 



4. Describe the ramified and circulatory systems of water piping. 



5. What provision may be made for fire protection, for repair, and 

 for cool drinking water in the water supply system? 



6. In what way does the amount of water storage vary with the 

 source of power? 



7. Describe the two general systems of storing water. 



8. Discuss the construction of elevated water supply tanks. 



9. What are the objections to an exposed water supply tank? 



10. What care should be taken when the supply tank is placed in 

 a building? 



11. Why does a masonry silo make a good tower for a water supply 

 tank? 



12. Describe the air pressure or pneumatic system of water supply. 



13. What are the advantages of this system and the main objection 

 to it? 



14. Describe the Perry system. 



15. What is the principal advantage of this system? 



