MN CDL COMBINATION TEST - PRACTICE TEST
11.
When the wheels of a trailer lock up, the trailer will tend to swing around. This is more likely to happen when:
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the trailer is overloaded.
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the trailer is empty or lightly loaded.
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the trailer is fully loaded.
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None of the above.
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12.
At passive railroad crossings, even if there are active railroad signals that indicate the tracks are clear, you must _________ to be sure it is safe to proceed.
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go, look and put the transmission in neutral
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stop, look, and listen
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go, stop and listen
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listen, look and stop
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13.
Never
drive with landing gear only part way up. Why?
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It may be harder to use.
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It must be exactly 5 feet off the ground.
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It makes it harder to brake.
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It may catch on railroad tracks.
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14.
To avoid rollbacks when you start, you should:
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put on the parking brake whenever necessary.
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if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
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release the parking brake only when you have applied enough engine power.
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All of the above.
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15.
Before transporting sealed loads, you should check:
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a small sample of whatever is inside.
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the special transit permit.
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that you don't exceed gross weight and axle weight limits.
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None of the above.
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16.
As part of the final air brake check, you should:
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Check air compressor governor cut-in and cut-out pressure.
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Test low pressure warning signal.
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Test air leakage rate.
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All of the above.
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17.
To avoid rollovers, you should drive slowly:
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on ramps.
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off ramps.
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around corners.
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All of the above.
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18.
To know how much space you should keep in front of you when driving at speeds below 40 mph, one good rule says you need at least ______ for each ______ of vehicle length.
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2 seconds; 10 feet
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3 seconds; 50 feet
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1 second; 10 feet
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1 second; 5 feet
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19.
If are being followed closely, you should:
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flash your brake lights.
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change lanes quickly.
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decrease your following distance.
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increase your following distance.
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20.
Who is responsible for inspecting the cargo?
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The driver
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The person who loaded and secured the cargo
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The motor carrier
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The shipper
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