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2024 IA CDL Practice Test: Class C - Test 4

Based on 2024 IA CDL Handbook
21. How do you typically control the extra gears provided by the multi-speed rear axles and auxiliary transmissions?
A
A selector knob.
B
Switch.
C
Wig wag.
D
Lever.
E
Selector knob or switch.
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Class C - Test 4
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