CDL COMBINATION PRACTICE TEST MINNESOTA
11.
Blocking _______________ to keep it from sliding.
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is used in the front, back, and/or sides of a piece of cargo
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is used only in the back of a piece of cargo
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goes from the upper part of the cargo to the floor
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None of the above.
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12.
To prevent rollover, you should:
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go slowly around turns.
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drive slowly around on ramps and off ramps.
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keep the cargo as close to the ground as possible.
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All of the above.
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13.
You should test the coupling by:
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pulling against the pin of the second semitrailer.
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disconnect the safety chains.
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applying the parking brakes so the rig will not move.
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locking the pintle hook.
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14.
If your trucks has a high center of gravity, which of the following is true for curves?
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Reduce your speed to a crawl.
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You should travel at the posted speed limit.
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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None of the above.
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15.
Fully loaded rigs:
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are much more likely to roll over than empty rigs.
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are less likely to roll over than empty rigs.
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are just as likely to roll over as empty rigs.
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None of the above.
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16.
Empty trucks have the best braking. True or False?
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It depends on the truck.
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True.
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It depends on the cargo.
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False.
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17.
You should use chocks when parking a trailer without spring brakes because:
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it is required by law.
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it helps prevent brake failure.
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the brakes will hold only as long as there is air pressure in the trailer air tank.
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it helps prevent skids.
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18.
Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
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2/8 inch
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4/32 inch
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6/24 inch
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8/32 inch
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19.
If the drive wheels start to skid:
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push in the clutch to let them turn freely.
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accelerate slightly to regain control.
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use the brakes to slow down.
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All of the above.
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20.
If you have convex mirrors, be aware that:
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in a convex mirror objects appears larger than they really are.
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objects seem closer than they really are.
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objects may appear to be faster than they really are.
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everything appears smaller in a convex mirror than it would if you were looking at it directly.
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