arrow

2024 IA CDL Practice Test: Class B - Test 5

3. When the safety valve releases air this indicates ___________.
A
Yield right-of-way.
B
Railroad crossing.
C
Warning of a hazard.
D
Speed limit.
More
3/29
Progress
0
Errors
Restart
Next
Next
Class B - Test 5
  • Back to Test List
  • Class B - Test 4
  • Class B - Test 6
  • Challenge Library
    12