GENERAL KNOWLEDGE CDL TEST SOUTH DAKOTA - PRACTICE TEST

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The CDL general knowledge test is required to be taken by all CDL applicants. The South Dakota CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the South Dakota CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual SD general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. When driving a 50-foot truck at 40 mph, your minimum following distance should be:
4 seconds
6 seconds
5 seconds
8 seconds
2. You should do an after-trip inspection:
after each stop.
once a month.
at least once a week.
after each trip.
3. To avoid blinding other drivers, you should dim within ____ of an oncoming vehicle.
500 feet
250 feet
100 feet
1000 feet
4. If your vehicle has manual transmission, to know when to shift up:
you should use a helper when you can.
you should release the accelerator, push in the clutch, and shift to neutral at the same time.
you can watch your tachometer, and shift up when your engine reaches the top of the range.
you must use mirrors on both sides.
5. To prevent drowsiness you should:
eat frequently.
keep the cab warm.
drive at night.
drive with a passenger.
6. A cardboard box on the road:
is likely to be empty and should not be considered a hazard.
will never damage vehicle parts if driven over.
should always be driven over to avoid sudden direction changes.
may contain some solid material capable of causing damage.
7. If confronted by an aggressive driver, you should:
ignore gestures
try to stay in front of them.
react to gestures.
make gestures.
8. The space under a heavily loaded vehicle can be very small. This can cause problems:
on dirt roads.
when crossing railroad tracks.
on unpaved yards.
All of the above.
9. To apply the parking brakes:
place the parking brake control knob in Neutral.
pull the parking brake control knob out.
push the parking brake control knob in.
push the brake pedal three times.
10. Which of the following statements about slippery roads is true?
On a wet road you should reduce speed by a half or more.
The road will freeze before bridges will.
Shady parts of the road provide better traction than open areas.
None of the above.
 
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SD CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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