Steepest ramp slope ratio allowed in the key set (**1:12**).
Choices
- (A) 1:12
- (B) 1:16
- (C) 1:10
- (D) 1:20
Correct answer: (A)
1:12
Explanation
Key: 1:12 as the **steepest** value in this set. This differs from the “10:1 minimum slope is false” item — keep both in mind.