arrow
  1. Driving Test Pro
  2. New Hampshire CDL Tests
  3. Double and Triples - Test 4
  4. Page 13

2024 NH CDL Practice Test: Double and Triples - Test 4

Based on 2024 NH CDL Handbook
13. What allows you to open and shut the tractor protection valve?
A
Tractor protection valve.
B
The "trailer air supply" control valve.
C
The Johnson bar.
D
The trailer hand valve.
Next
More
13/28
Progress
0
Errors
Restart
Next
Next
Double and Triples - Test 4
  • Back to Test List
  • Double and Triples - Test 3
  • Double and Triples - Test 5
  • Challenge Library
    12

More NH CDL Practice Tests

28
Double and Triples - Test 5
29
Tank - Test
30
Tank - Test 2
31
Tank - Test 3
32
Tank - Test 4
33
Tank - Test 5
34
Air Brakes - Test
35
All - Test
36
All - Test 2
37
All - Test 3