COMBINATION TEST MARYLAND - PRACTICE TEST
11.
When you get ready to back under the semi-trailer, you should:
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line up about 15 degrees off the line of the trailer.
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line up the kingpin to engage the driver's side locking jaw first.
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back under the trailer at an angle to avoid pushing the trailer sideways.
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line up directly in front of the trailer.
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12.
When inspecting the coupling, check that the safety latch is:
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pushing against the kingpin.
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in position over the locking lever.
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in the "lock" position.
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None of the above.
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13.
"Bobtail" tractors are:
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tractors with two trailers.
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tractors with a tank.
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heavily loaded trailers.
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tractors without semitrailers.
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14.
After starting the engine, the ABS light stays on. This means:
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the ABS is not working properly.
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the ABS is in Neutral.
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the ABS is working properly.
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the ABS oil level is not adequate.
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15.
Containerized loads:
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are generally used for freight carried part way by rail or ship.
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should exceed gross weight and axle weight limits.
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must be inspected before and after the trip.
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All of the above.
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16.
When approaching a vehicle with a distracted driver, you should:
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sound your horn.
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quickly pass the vehicle.
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maintain your safe following distance.
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change lanes quickly.
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17.
To avoid rollbacks when you start, you should:
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release the parking brake only when you have applied enough engine power.
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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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put on the parking brake whenever necessary.
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All of the above.
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18.
When driving on slippery roads, you should NOT:
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use the engine brake.
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go slowly.
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watch far enough ahead to keep a steady speed.
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try to anticipate stops early.
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19.
A steering wheel should have no more than _____ of play. If there is more play than this, it may be hard to steer.
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10 degrees
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30 degrees
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It doesn't matter.
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15 degrees
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20.
Tests have shown that trucks with a high center of gravity:
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can roll over at the posted speed limit for a curve.
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can roll over if the driver slows down before entering a curve.
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are less likely to roll over when entering a curve.
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can roll over if the driver exceeds the posted speed limit for a curve.
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