Grades Flashcards
1
Q
2% grade
A
1psi
2
Q
5% grade
A
2psi
3
Q
10% grade
A
4psi
4
Q
12.5% grade
A
5psi
5
Q
15% grade
A
7psi
6
Q
20% grade
A
9psi
7
Q
25% grade
A
11psi
8
Q
30% grade
A
13psi
9
Q
35% grade
A
15psi
10
Q
40% grade
A
17psi
11
Q
45% grade
A
19psi
12
Q
Unknown grade
A
4psi
