Environmental Control 1
AUTO TEST 9
 
 

1.- What are the isometric drawings for?
 
 

2.- What is the stack in a drainage system?
 
 

3.- What is the principal function of a vent stack?
 
 

4.- How many gallons of water flow per minute are equivalent to a fixture unit?
 
 

5.- The minimum size of a building sewer is ____________________.
 

6.- For determining the size of vent pipes, it is necessary to consider:

 a)___________________________
 b)___________________________
 c)___________________________
 d)___________________________
 

7.- The smallest vent pipe that can serve any plumbing fixture is _____________________.
 

8.- The maximum distance for a horizontal wet vent is _____________________.
 
 

9.- Draw the isometric for a vent and drain system for a stack wet vent installation with one shower, one water closet and one lavatory.
 
 

10.- Draw the isometric for an individually vented unit with one kitchen sink, one water  closet, one lavatory and one bathtub.