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CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
CDL Air Brakes Practice Test
Question 1 of 3
The air compressor governor keeps the air pressure in the air storage tanks between __________ and __________ psi.
A
100, 125
B
1000, 1250
C
75, 100
D
750, 1000
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