GENERAL KNOWLEDGE CDL TEST NORTH DAKOTA - PRACTICE TEST

31. Blood Alcohol Concentration (BAC) is determined by:
the amount of alcohol you drink.
how frequently you drink.
the type of alcohol you drink.
All of the above.
32. You should use your four-way emergency flashers:
when parked at the side of the road.
while crossing railroad tracks.
when driving at night.
None of the above.
33. Parking brakes are:
not required on trailers.
not required on commercial vehicles with air brakes.
required on all vehicles.
not required on buses.
34. If you smell exhaust fumes in the cab, you should:
wait for the next stop, then inspect your vehicle.
open the windows.
remember to conduct a post-trip inspection.
stop immediately.
35. During a pre-trip inspection, to check your lights you should:
turn off the engine, turn on the headlights and 4-way emergency flashers, and get out of the vehicle.
check the yellow malfunction lamps on the instrument panel.
with the engine running, turn on the headlights and 4-way emergency flashers, and get out of the vehicle.
with the engine running, put the vehicle in a forward gear and turn on the headlights.
36. Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?
Time of day
Length and steepness of grade
Weather
Total weight of the vehicle and cargo
37. If the coolant container is not part of the pressurized system:
you can safely remove the cap and add coolant even when the engine is hot.
you should remove the container cap and wait until the system has cooled.
you should never remove the radiator cap or any part of the pressurized system until the system has cooled.
None of the above.
38. You must have at least ________ tread depth in every major groove on front tires.
2/32 inch
4/32 inch
1/16 inch
1/2 inch
39. If an aggressive driver confronts you, you should NOT:
try to get out of their way.
try to let them pass.
ignore gestures.
make eye contact.
40. In which of the following situations should you check your mirrors more often?
When driving on a single lane road.
While stopped at an intersection.
When driving on a narrow road.
When changing lanes or merging.
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