1.- Name three problems due to inadequate sizing and arrangement of vent pipes.
 
 

2.- The minimum size of a wet or dry vent serving a W.C. is _____________ inches in diameter.

3.- Vertical wet vents connecting to a horizontal wet vent can't exceed ____________________ ft.

4.- The maximum horizontal distance from the trap to the vent depends on the following factors:
 
 

5.- The closer the trap to the vent on a minimum slope the better

  a) True b) False

6.- Draw a common vent for two lavatories.
 
 

7.- Name three restrictions and limitations on the use of P. traps.
 
 

8.- How do the traps protect human health?
 
 

9.- Each fixture trap must have a water seal of not less than _______ inches or more than _______ inches.

10.- All traps must be installed level in relation to their water seals

  a) True b) False

11.- For sinks, lavatories, bathtubs, showers and other fixtures, the vertical drop can't exceed ________ inches.

12.- Under certain conditions, fixtures can be double trapped

  a) True b) False

13.- What is the trapping function that takes place when water closets are operated?
 
 

14.- Trap outlets can be larger than the fixture drain to which it is connected

 a) True b) False

15.- It is prohibited by the code to connect more than one lavatory to one trap

 a) True  b) False