List the three subcategories of butterfly valves.
1) Swing-through
2) Large
3) Small
4) Lined
5) High performance
a. 1, 2, 3
b. 3, 4, 5
c. 1, 4, 5
d. 2, 3, 4
e. 1, 3, 5
Answer: C
List the three subcategories of butterfly valves.
1) Swing-through
2) Large
3) Small
4) Lined
5) High performance
a. 1, 2, 3
b. 3, 4, 5
c. 1, 4, 5
d. 2, 3, 4
e. 1, 3, 5