Grade Back Pressure- Head Pressure Flashcards
1
Q
2% grade
A
1 PSI (0.434 x % grade)
2
Q
5% grade
A
2 PSI (0.434 x % grade)
3
Q
10% grade
A
4 PSI (0.434 x % grade)
4
Q
12.5% grade
A
5 PSI (0.434 x % grade)
5
Q
15% grade
A
6 PSI (0.434 x % grade)
6
Q
20% grade
A
9 PSI (0.434 x % grade)
7
Q
25% grade
A
11 PSI (0.434 x % grade)
8
Q
30% grade
A
13 PSI (0.434 x % grade)
9
Q
35% grade
A
15 PSI (0.434 x % grade)
10
Q
40% grade
A
17 PSI (0.434 x % grade)
11
Q
45% grade
A
19 PSI (0.434 x % grade)
