CDL GENERAL KNOWLEDGE TEST (IOWA) - PRACTICE TEST
41.
During the after-trip inspection, if you notice anything affecting safety or potentially leading to a mechanical breakdown, you should:
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make a written report.
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ask the motor carrier to make a written report.
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try to fix the problem yourself.
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42.
During a walk around inspection, which of the following should you check?
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Shock absorber condition.
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Condition of the front axle.
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All of the above.
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43.
If you get stuck on the railroad tracks, the first thing you should do is:
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immediately get out of the cab and move away from the tracks.
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stay in your vehicle and call 911.
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scream for help.
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44.
If your truck has automatic transmission, you should downshift:
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after entering a curve.
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whenever road conditions allow.
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when going down grades.
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45.
On dry pavement, the braking distance when traveling at 55 mph is about:
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419 feet.
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142 feet.
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216 feet.
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46.
Use of drugs can lead to traffic accidents resulting in:
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Death
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Injury
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All of the above.
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47.
Wheel rims that have had welding repairs:
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should not be used.
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should be placed in the front.
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are safe.
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48.
The application pressure gauge:
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protects the tank and the rest of the system from too much pressure.
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shows how much air pressure is being applied to the brakes.
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tells you how much pressure is in the air tanks.
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49.
The Individual Vehicle Distance Record (IVDR) must include all of the following except:
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Date of trip
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Number of stops
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Trip origin and destination
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50.
Livestock:
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can move around in a trailer and cause unsafe handling.
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should never be kept bunched together.
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should never be carried on a trailer.
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