CDL COMBINATION PRACTICE TEST KANSAS
11.
Do NOT use the parking brakes:
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if the brakes are very hot.
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when you leave your vehicle.
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when you park for less than two hours.
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to test that they work.
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12.
You are checking the tractor-trailer connection to make sure it is safe and secure. The landing gear should be:
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fully lowered.
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fully raised.
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raised slightly off the ground.
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None of the above.
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13.
After a tire has been changed, you should:
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stop a short while later and check that the nuts are tight.
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deflate the tire to 15 psi.
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wait at least 30 minutes before driving.
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decrease tire pressure.
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14.
Loose cargo:
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can be a danger to others and yourself.
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could fall off your vehicle and cause traffic problems.
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could hurt or kill you during a quick stop.
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All of the above.
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15.
During a trip:
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you should watch gauges for signs of trouble.
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you should not watch gauges as they can be misleading.
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you should watch gauges to make sure that valve caps are not missing.
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None of the above.
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16.
If you must make an emergency stop, you should:
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use the hand brake before the brake pedal.
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apply the brakes as hard as you can to lock them.
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brake in a way that will keep your vehicle in a straight line.
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None of the above.
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17.
While driving, you should use your mirrors to:
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know where other vehicles are around you.
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check where the rear of your vehicle is while you make turns.
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check the condition of the tires and cargo.
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All of the above.
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18.
If you must drive slowly, how should you alert following drivers?
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Help them out by signaling when it is safe to pass
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Use your emergency flashers if it is legal
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Turn on your taillights
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Flash your brake lights
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19.
How do you find out how many seconds of following distance you have?
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Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot.
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Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach the same spot.
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Wait until the vehicle ahead of you passes a pavement marking or some other clear landmark, then use the stopwatch on your mobile phone to see how long it takes you to reach the same spot.
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None of the above.
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20.
Which of the following is NOT a good rule for using turn signals?
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Cancel your signal after you have turned.
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Put your turn signal on after the turn.
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Signal continuously until you have completed the turn.
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Signal well before you turn.
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