CDL GENERAL KNOWLEDGE TEST (SD) - 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. Empty vans are:
the same height as fully loaded ones.
lower than fully loaded ones.
higher than fully loaded ones.
None of the above.
2. If there is a fire and you are not sure what to use to put it out, you should:
wait for firefighters.
use dry powder.
use water.
use a fire extinguisher.
3. On ramp/off ramp curves should be taken:
at the posted speeds.
well below the posted speeds.
slightly below the posted speeds.
slightly above the posted speeds.
4. Gross vehicle weight (GVW) is:
the value specified by the manufacturer as the loaded weight of a combination vehicle.
the total weight of a single vehicle and its load.
the total weight of the vehicle, including the load and any trailers.
None of the above.
5. As long as the engine is not overheated, it is safe to remove the radiator cap.
True, as long as you are wearing gloves.
True, unless you can touch the radiator cap with your bare hand.
True.
False.
6. To control your speed on a downgrade, you should:
fully apply the brakes.
coast in neutral.
use engine braking.
use controlled braking.
7. The parking brake:
should be used when driving in bad weather.
should be used whenever you park.
should be used when you need to apply the brakes firmly.
All of the above.
8. Aggressive driving is the act of:
operating a vehicle in the left lane.
operating a vehicle at night.
operating a vehicle at a safe speed.
operating a vehicle in a selfish or pushy manner.
9. When driving in heavy traffic, the safest speed is:
the speed of other vehicles, up to the posted limit.
5 mph below the posted speed limit.
slower than the speed of the traffic.
the posted speed limit.
10. Checking your vehicle's suspension system includes checking:
the tires.
the mounting brackets.
the air suspension systems.
All of the above.
 
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SD CDL Knowledge Test

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