CDL PRACTICE TEST - GENERAL KNOWLEDGE (SOUTH DAKOTA)
41.
When you have to back, you should always try to back toward the driver's side because:
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backing toward the left side is more dangerous.
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it feels more natural.
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you can see better and watch the rear of your vehicle out the side window.
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None of the above.
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42.
For fire safety, the correct list of items you should check during your pre-trip inspection is:
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fuel and fire extinguisher.
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cargo, fuel, steering wheel, electrical system, fire extinguisher.
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cargo, fuel, electrical and exhaust systems.
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tires, cargo, fuel, electrical and exhaust systems, fire extinguisher.
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43.
The most important way to see the sides and rear of your vehicle is to:
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look out the window.
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get out and walk around the vehicle.
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check your mirrors regularly.
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look at your line of travel.
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44.
When you park, you should try to park:
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so there is enough room to back out.
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so you'll be able to pull forward when you leave.
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on the shoulder of the road.
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None of the above.
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45.
Escape ramps:
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are used to safely leave the highway.
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can only be used by trucks or passenger vehicles.
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have been built to stop runaway vehicles on steep downgrades.
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All of the above.
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46.
The safety relief valve is located:
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in the front brake.
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on each end of the vehicle's axles.
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on the dashboard.
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in the first tank the air compressor pumps air to.
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47.
Which of the following statements about cold medicines is true?
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They may make the driver drowsy, therefore they should not be used while driving.
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They should only be used when driving during the daytime.
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They are over-the-counter drugs, therefore they can be used while driving.
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None of the above.
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48.
Railroad crossings with steep approaches:
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can cause your unit to hang up on the tracks.
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require drivers to shift gears while crossing the tracks.
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require drivers to increase their speed before crossing the tracks.
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are the safest type of railroad crossing.
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49.
Drivers should inspect their cargo and its securing devices within the first _______ after beginning the trip.
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15 miles
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25 miles
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100 miles
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50 miles
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50.
When you drive a tractor-trailer combination with ABS, you should:
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brake as you always have.
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pump the brakes.
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apply the trailer hand brake whe braking.
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always apply the brakes hard.
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