CDL DOUBLES TRIPLES PRACTICE TEST MONTANA
11.
If your trucks has a high center of gravity, which of the following is true for curves?
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You should travel at the posted speed limit.
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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Reduce your speed to a crawl.
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None of the above.
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12.
ABS:
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improves your visibility at night.
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may cause your wheels to lock when you break hard.
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helps you avoid skids caused by over braking.
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helps you stop faster.
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13.
You are driving a vehicle with air brakes when the low air pressure warning light and buzzer come on. You should:
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slow down and test your brakes.
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apply the brakes as hard as you can.
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activate your hazard lights and drive to the nearest place where you can stop.
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pull off the road and stop immediately.
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14.
To test your parking brake, do the following:
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Speed up to 5 mph, then set the parking brake.
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Set the parking brake, and gently pull against it in a low gear.
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Set the parking brake while going downhill.
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Speed up to 15 mph, then set the parking brake.
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15.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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50 psi
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100 psi
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25 psi
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75 psi
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16.
When conducting a pre-trip inspection:
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the inspection report should only be reviewed if you will be carrying passengers.
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the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.
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you should review the last vehicle inspection report.
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None of the above.
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17.
When going down grades, you should:
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rely solely on engine braking to reduce your speed.
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put the transmission in Neutral.
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shift up.
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downshift to a lower gear.
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18.
The weight of a truck:
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has an impact on stopping distance.
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has no effect on stopping distance.
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is not as important as the vehicle's center of gravity in determining stopping distance.
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None of the above.
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19.
If you doubt you have enough space to pass under a bridge, you should:
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turn on your headlights.
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drive faster.
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go slowly.
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turn on your 4-way emergency flashers.
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20.
A bridge formula permits:
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less maximum axle weight for axles that are far apart.
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more maximum axle weight for axles that are far apart.
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more maximum axle weight for axles that are closer together.
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less maximum axle weight for axles that are close together.
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