WATER SUPPLY FINAL EXAM STUDY GUIDE QUESTIONS WITH COMPLETE SOLUTIONS

WATER SUPPLY FINAL EXAM STUDY GUIDE QUESTIONS WITH
COMPLETE SOLUTIONS




What is the most common cause of water dripping from the spout of the faucet? --
Answer ✔✔ - A worn or hardened bibb washer



The potable water and fixture requirements for a dwelling are? -- Answer ✔✔ - Its own
water supply

-A kitchen sink

-A bathtub, or shower

-A lavatory

-A water closet

-A supply of hot water



All shower valves must be the pressure balance or thermostatic mixing type and the
outlet temperature must not exceed what temperature?? -- Answer ✔✔ 49*C (120*F)



Most flush Valves require a minimum operating pressure of? -- Answer ✔✔ 100kpa
(15psi)

, They operate at a maximum pressure of 550kpa (80psi)



Metering valves typically require a minimum of _______'' supply piping -- Answer ✔✔ -
1/2''



Diaphragm and Piston valves require a minimum of ______'' water supply -- Answer
✔✔ -3/4''



Which style of faucet requires the most maintenance? -- Answer ✔✔ -Washer type



Which type of faucet is generally used for residential lawn services? -- Answer ✔✔ -
Frost Free



Which type of faucet is least likely to be used in a residential application? -- Answer ✔✔
-Electronic



What must be done prior to working on any faucet? -- Answer ✔✔ -Turn off the water
to both hot and cold water supply lines



What 2 configurations are bibb washers manufactured? -- Answer ✔✔ -Flat

-Bevel



What size of water supply piping is required for a piston flush valve-- connected to a
water closet? -- Answer ✔✔ 1''