CDL PRACTICE TEST (MN) - GENERAL KNOWLEDGE TEST

31. After beginning a trip, you should inspect your cargo:
within the first 50 miles.
during your first rest stop.
within the first 100 miles.
before the last 25 miles.
32. On engine start, you should:
check for minimum tread depth.
check that the master cylinder is securely attached and not leaking.
make sure the oil pressure gauge is working.
check the oil level.
33. When backing, it is important to use a helper whenever possible. Why?
Because it's required by law.
Because you cannot see everything behind your vehicle.
To make sure you don't damage your truck.
All the above.
34. Using a helper when backing up is:
not recommended.
encouraged.
illegal.
dangerous.
35. Convex mirrors:
make objects appear larger than they really are.
show a wider area than flat mirrors.
make things appear closer than they really are.
All of the above.
36. Texting is:
the most dangerous distraction.
safer than  engaging in conversation with a passenger.
about as safe as adjusting the radio.
safer than talking on a cell phone.
37. In coming down a long, steep downgrade, which of the following is NOT a factor you should consider to select an appropriate safe speed?
Your schedule
Weather
Steepness of the grade
Road conditions
38. When inspecting brakes, you should look for:
pads with oil, grease, or brake fluid on them.
cracked drums.
shoes worn dangerously thin.
All of the above.
39. After a tire has been changed, you should:
stop a short while later and check that the nuts are tight.
wait at least 30 minutes before driving.
deflate the tire to 15 psi.
decrease tire pressure.
40. If the vehicle ahead of you is smaller than yours:
it will usually take longer to stop.
it can probably stop faster than you can.
it will take the same amount of time to stop.
All of the above.
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