MARYLAND CDL PRACTICE TEST - GENERAL KNOWLEDGE

31. Drivers should try to park their vehicle so that:
there is at least one curb next to the vehicle.
they can do a walk around inspection.
the vehicle is protected by trees.
they can pull forward when they leave.
32. An alcohol evaporator:
is used to reduce the risk of ice in air brake valves and other parts during cold weather.
to hold compressed air.
protects the air brake system from too much pressure.
used to reduce the chance of the front wheels skidding.
33. The minimum tire tread depth for front tires is:
4/16 inch
2/32 inch
8/32 inch
4/32 inch
34. You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
4/32
3/32
2/32
1/32
35. When driving on long and/or steep downgrades, to select an appropriate safe speed you should consider:
the length of the grade.
the total weight of the vehicle and cargo.
the road conditions.
All of the above.
36. Why should you avoid driving too near the edge of the road?
To get a better view of the road ahead.
To keep other vehicles from passing you.
Driving too near the edge of the road can cause the top of your vehicle to hit roadside objects.
All of the above.
37. You should always back and turn toward the driver's side:
unless it means having to go around the block first.
so you can watch the rear of your vehicle by looking out the side window.
unless you have someone to help you.
All of the above.
38. To keep the engine cool in hot weather, you should:
check v-belt tightness by pressing on the belts.
make sure the engine cooling system has enough water and antifreeze.
make sure there is enough engine oil.
All of the above.
39. Strong winds can make it difficult to stay in your lane especially when driving:
lighter vehicles.
vehicles with ABS.
flatbed trailers.
heavier vehicles.
40. Which of the following is not a type of retarder?
Hydraulic
Electric
Pressure
Exhaust
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More