MT CDL PRACTICE TEST - GENERAL KNOWLEDGE
31.
What should you do if you doubt you have safe space to pass under a low bridge?
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Go slowly, and take another route if you are not sure you can make it.
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Assume that the height posted at the bridges is correct.
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Increase the weight of your vehicle to clearing under the bridge.
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If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
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32.
Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
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Rain
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Traffic
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Repaving of the road
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The weight of a cargo
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33.
If you are driving toward a traffic light that's been green for a long time, you should:
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start slowing down and be ready to stop.
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maintain your current speed.
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increase your speed to get through the intersection before the traffic light changes to red.
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brake as quickly as possible.
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34.
If you are driving a 50 foot truck and you are traveling at 55 mph, you should have at least _________ of following distance.
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3 seconds
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12 seconds
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6 seconds
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5 seconds
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35.
To test the service brake:
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push the brake pedal firmly while going about 5 mph.
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gently try to pull forward with the trailer parking brake on, then release the brake.
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shift your transmission to a low gear, pump the brake pedal three times, then hold it down for five seconds.
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push the brake pedal firmly while slowly moving backward.
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36.
To prevent fire, during the en route inspection you should check the tires, wheels, and truck body for signs of:
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front-wheel skids.
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ice.
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a fire extinguisher.
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heat.
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37.
Which of the following is NOT TRUE?
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You should check that you don't exceed gross and axle weight limits.
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In many states, spill protection for covered cargo is a requirement.
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You should cover cargo to protect it from the weather.
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You should regularly inspect the contents of sealed loads.
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38.
An antilock braking system (ABS):
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decreases your stopping distance.
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requires a change in the way you brake.
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in order to work, requires you to apply the brakes as hard as you can.
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None of the above:
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39.
Which of the following is a reason to cover cargo?
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To contain a spill
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To protect the cargo from weather
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To protect people from spilled cargo
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All of the above.
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40.
Nitric acid should:
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stacked to the ceiling.
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piled up high with heavy cargo on top.
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loaded above other products.
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not be loaded above any other product.
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