CDL GENERAL KNOWLEDGE TEST (NH) - PRACTICE TEST
41.
A red triangle with an orange center means:
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The vehicle is hauling hazardous materials
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Liquid tanker
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Slow-moving vehicle
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Law enforcement vehicle
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42.
During a trip:
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you should not watch gauges as they can be misleading.
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you should watch gauges for signs of trouble.
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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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43.
Class A:B:C fire extinguishers are designed to work on:
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burning wood, paper, and cloth.
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burning liquids.
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electrical fires.
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All of the above.
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44.
When you take a break in the middle of your trip, you should check:
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tires, brakes, lights and cargo securement devices.
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missing exhaust pipes.
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gauges for signs of trouble.
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heater, defroster and windshield wiper blades.
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45.
Which of these statements is correct?
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Loose cargo can hurt the driver during a quick stop.
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Loose cargo that falls off a vehicle can cause traffic problems.
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Others could be hurt or killed by cargo that falls off a vehicle.
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All of the above.
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46.
If a car suddenly cuts in front of you, creating a hazard, you should NOT:
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stay close behind the car and honk your horn.
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signal and change lanes to avoid the car, if possible.
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slow down to prevent a crash.
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All of the above.
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47.
Vehicle inspections:
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are required by state and federal law.
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should only be performed by a certified mechanic.
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are not required for trips under 50 miles.
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are required once a month.
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48.
Drivers should not assume that the heights posted at bridges and overpasses are correct. Why?
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The weight of a cargo van changes its height.
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The bridge/overpass may have been rebuilt since the heights were originally posted.
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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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49.
Before loading or unloading any flammable liquids, you should:
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turn on the headlights.
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turn off the engine.
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light up a cigarette.
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start the engine.
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50.
It is important to shift gears correctly to keep:
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the engine warm.
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control of the vehicle.
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the engine cool.
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the engine oil flowing.
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