CDL PRACTICE TEST (CO) - GENERAL KNOWLEDGE TEST
41.
If driving a heavy vehicle, you should:
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stay in the left lane.
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try to pass other vehicles going uphill.
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stay in the right lane.
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avoid braking.
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42.
Passive railroad crossings:
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do not have traffic control devices.
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have at least one traffic control device.
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should never be crossed using a CMV.
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usually have a person directing traffic.
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43.
If you have a manual transmission, when stopping don't _______ until the engine rpm is down close to idle.
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push the clutch in
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shift to second gear
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place the transmission in park
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apply the brakes
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44.
Controlled braking:
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must be used when you need to turn sharply while braking.
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can be used to keep your vehicle in a straight line and allow you to turn if necessary.
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involves pumping the brakes while keeping steering wheel movements very small.
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involves locking the wheels and then releasing the brakes.
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45.
If you hear a loud loud "bang" and the steering feels "heavy", you should:
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hold the steering wheel firmly and stay off the brake.
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pump the brakes until the vehicle has slowed down.
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brake hard and pull off the road.
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check your rearview mirrors to see if you have a flat tire.
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46.
Drivers should not assume that the heights posted at bridges and overpasses are correct. Why?
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The bridge/overpass may have been rebuilt since the heights were originally posted.
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The weight of a cargo van changes its height.
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Some roads can cause a vehicle to tilt.
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Packed snow or repaving may have reduced the clearances since the heights were posted.
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47.
During a trip:
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you should watch gauges for signs of trouble.
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you should not watch gauges as they can be misleading.
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you should watch gauges to make sure that valve caps are not missing.
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None of the above.
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48.
Placards must be placed:
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on the front, rear and both sides of the vehicle.
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on the front only.
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on the driver's side of the vehicle.
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on the rear only.
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49.
In order for you to be seen easily:
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lights should be turned off when driving during the day.
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lights should only be used when driving in driving in rainy weather.
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lights should be clean and working properly.
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All of the above.
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50.
The ABS malfunction lamp on the instrument panel is:
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Blue
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Yellow
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Red
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Orange
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