NJ CDL DOUBLES TRIPLES TEST - PRACTICE TEST
11.
To prevent rollover, you should:
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drive slowly around corners.
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turn the engine off while turning.
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drive on the shoulder of the road when possible.
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drive in the left lane.
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12.
When driving at night you should dim your lights when following another vehicle within:
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500 feet.
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1 mile.
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50 feet.
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100 feet.
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13.
When checking the lights before driving:
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you should check them from inside the vehicle.
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make sure the parking brake is not set.
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the engine must be running.
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you should turn off the engine.
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14.
What can cause poor traction?
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Overloading the truck.
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Too much weight on the steering axle.
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Too little weight on the driving axles.
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All of the above.
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15.
An item that is 15 feet long placed on a flatbed trailer should have at least:
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1 tie-down.
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2 tie-downs.
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15 tie-downs.
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3 tie-downs.
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16.
Which of the following is NOT true? ABS (antilock braking system):
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increases your normal braking capability.
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only activates when the wheels are about to lock up.
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is required on all truck tractors with air brakes built on or after March 1, 1997.
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is an addition to your normal brakes.
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17.
When coupling double trailers, if the second trailer does not have spring brakes, to set the trailer emergency brakes you should:
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1. Connect the emergency line 2. Drive the tractor close to the trailer 3. Disconnect the emergency line 4. Charge the trailer air tank.
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1. Drive the tractor close to the trailer 2. Connect the emergency line 3. Charge the trailer air tank 4. Disconnect the emergency line.
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1. Connect the emergency line 2. Charge the trailer air tank. 3. Drive the tractor close to the trailer 4. Disconnect the emergency line.
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1. Disconnect the emergency line 2. Drive the tractor close to the trailer 3. Charge the trailer air tank 4. Connect the emergency line.
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18.
After an accident, an improper use of flares could cause:
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air pressure to build from 50 to 100 psi within 2 minutes.
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a fire if spilled fuel is on the ground.
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the vehicle to slide back and forth.
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the springs to put on the brakes.
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19.
When inspecting the coupling, make sure the fifth-wheel jaws have closed around the:
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shank of the kingpin.
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the brake camshaft.
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the electrical cord.
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head of the kingpin.
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20.
When you see you will need to slow down, you can warn drivers behind you by:
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making gestures.
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slamming on the brakes.
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tapping the brakes a few times.
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turning on the right turn signal.
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