2024 MO CDL Practice Test: Class A - Test 8
Based on
2024 MO CDL Handbook
9. If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
A
To detect alcohol content of the oil.
B
Save the driver from having to clean the tank.
C
Expel alcohol.
D
Decrease the risk of ice forming in air brake valves during cold temperature.