NEW MEXICO CDL PRACTICE TEST - GENERAL KNOWLEDGE

31. If your vehicle is equipped with a retarder, you should turn it off:
when you are driving in heavy traffic.
whenever the road is wet, icy, or snow covered.
when you are running late.
32. Axle weight is:
the maximum safe weight your tires can carry at a specified pressure.
the weight transmitted to the ground by one axle or one set of axles.
the weight of all the axles added together.
33. When checking the steering system for defects, you should look for:
missing or broken leaves in any leaf spring.
bent, loose, or broken parts, such as tie rods.
cut or cracked valve stems.
34. One way to prevent hydroplaning is to:
take curves at higher speeds.
make sure you have enough tread on your tires.
have less than 4/32 inch tread depth in every major groove on front tires.
35. Whenever you back up with a trailer, position your vehicle so you can back in a straight line. If you must back on a curved path, back toward:
Either side.
the right side.
the driver's side.
36. If driving a heavy vehicle, you should:
stay in the left lane.
try to pass other vehicles going uphill.
stay in the right lane.
37. If your brakes get wet, it can cause them:
to apply unevenly.
to be weak.
All of the above.
38. If no qualified person is at the accident and an injured person is bleeding heavily, how can you give assistance?
Apply direct pressure to the wound.
Poor cold water on the wound.
Look for a doctor.
39. You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
increase your speed to approximately 45 mph, and then apply release the brakes.
40. When your drive wheels have poor traction, you should:
turn the retarder off.
only use the retarder on the front wheels.
turn the retarder on.
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