NH CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
Hanging meat in a refrigerated truck:
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should never be transported.
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will not affect safe driving ability.
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creates a low center of gravity.
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can be a very unstable load.
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42.
Which of the following is NOT correct? An ABS system:
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reduces the braking pressure to a safe level.
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helps you avoid wheel lock up.
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helps you stop faster.
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is a safety anti-skid braking system.
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43.
The most common cause of skidding is:
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driving too fast for conditions.
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surface water.
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black ice.
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spilled oil.
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44.
Federal, State, and local regulations concerning commercial vehicle weight, securing cargo, and covering loads vary widely. You should obey:
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Federal regulations
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State regulations
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Local regulations
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All of the above.
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45.
When driving in work zones you should:
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Drive slowly and carefully.
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Observe the posted speed limits at all times.
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Use your four-way flashers or brake lights to warn drivers behind you.
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All of the above.
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46.
ABS helps you:
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stop much faster.
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avoid wheel lock up and maintain control of your vehicle when you brake.
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increase your normal braking capability.
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steer gently and smoothly while you are braking.
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47.
What factors can cause brakes to fade?
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Gravel and tar.
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Slippery surfaces and shaded areas.
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Excessive heat and brakes out of adjustment.
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Dirt roads and in unpaved yards.
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48.
If you do not have a cell phone or CB, the first thing you should do at an accident scene is to:
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care for the injured.
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clear the area.
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gather Information for the accident report.
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protect the accident area.
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49.
You should NOT use the parking brakes if:
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the brakes are very hot.
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the brakes are too dry.
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the brakes are cold.
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All of the above.
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50.
When you push the brake pedal down, air brakes work:
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after a short delay.
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after about 15 seconds.
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immediately.
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only when ABS is working.
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