CDL PRACTICE TEST (MD) - GENERAL KNOWLEDGE TEST

21. When stopping at the scene of an accident, you should NOT:
report any qualified person who is at the accident and helping the injured.
put on your 4-way emergency flashers.
notify authorities.
set out reflective triangles.
22. Heights posted at bridges and overpasses:
can be incorrect.
are always accurate.
are always incorrect.
None of the above.
23. If you're carrying hazardous materials and are stopped at a truck stop, you should:
leave the shipping papers in the driver’s door pouch or on the driver’s seat.
leave the shipping papers on the dashboard in clear view.
keep the shipping papers with you.
tuck the shipping papers under your windshield wiper.
24. Traction is:
friction between the front and rear tires.
the maximum safe weight a tire can carry at a specified pressure.
friction between the tires and the road.
the distance your vehicle will travel while you are braking.
25. To check the signal lights, do the following:
Turn on all the lights, turn off the stop lights, and turn off the left turn signal lights.
Turn off all the lights, turn on the stop lights, and turn on the left turn signal lights.
Turn off all the lights, turn on the right turn signal lights, and turn on the stop lights.
Turn on the stop lights, turn on all the lights, and turn on the right turn signal lights.
26. Which of the the following statements about fatigued or drowsy driving is true?
Fatigued drivers are usually more alert because they are aware risk of being involved in an accident is higher.
Fatigued drivers may be slower in making critical decisions.
Most people are less alert between 12 pm and 3 pm.
All of the above.
27. Why should you cover your cargo?
To protect the cargo from weather.
Because spill protection is a safety requirement in many states.
To protect people from spilled cargo.
All of the above.
28. If you must drive through a deep puddle you should:
slow down and place transmission in a low gear.
speed up to get through the puddle as quickly as possible.
apply the brakes until your speed reaches 40 mph.
start slowly and Speed up smoothly and gradually so the vehicle does not jerk.
29. When you need to brake, you should warn the drivers behind:
by flashing your brake lights.
by turning on the 4-way emergency flashers.
by changing lanes.
by making gestures.
30. Retarders:
help slow a vehicle and reduce brake wear.
apply their braking power whenever you push on the accelerator.
help prevent accidents by applying extra braking power to the non-drive wheels.
All of the above.
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