FLORIDA CDL COMBINATION PRACTICE TEST
11.
Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
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pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
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the parking brake should never used to slow the vehicle.
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shifting into neutral may help slow the vehicle.
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All of the above.
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12.
If you will be transporting hazardous materials that require placards, you must:
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ask permission of the local transportation agency.
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obtain a hazardous materials endorsement.
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transport the materials at night only.
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obtain a special transit permit.
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13.
A burning tire must be:
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immediately removed from the vehicle.
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cooled with water.
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covered with cloth.
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None of the above.
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14.
Inspecting the fifth-wheel does NOT include:
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checking for missing or damaged parts.
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checking the area around the vehicle.
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making sure that the fifth-wheel plate is greased as required.
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ensuring the fifth wheel is in the proper position for coupling.
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15.
The best way to recognize that your trailer has started to skid is:
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by feeling the brakes come on.
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by seeing it in your mirrors.
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by recognizing tire failure.
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by opening the window and feeling the front of the mirror.
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16.
Containerized loads:
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are generally used for freight carried part way by rail or ship.
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must be inspected before and after the trip.
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should exceed gross weight and axle weight limits.
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All of the above.
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17.
When approaching a stopped bus, you must be aware that:
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passengers may cross in front of or behind the bus.
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a student may be driving the bus.
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passing a stopped bus is illegal.
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passengers crossing in front of the bus can always see you.
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18.
With brake drums, if brakes become too hot:
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your ABS will malfunction.
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the brakes may stop working.
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the air compressor will kick on to cool the brakes.
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the brakes will supply too much power to the drive wheels.
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19.
When more cargo is piled up in a truck, the truck becomes easier to turn over. Fully loaded rigs are _________ to roll over in a crash than empty rigs.
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three times more likely
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five times more likely
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ten times more likely
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less likely
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20.
The iron trailer supports are up, and the full weight of the trailer is resting on the tractor. Make sure:
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you are in a low enough gear.
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there is enough clearance between the upper and lower fifth wheel.
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the safety latch is not engaged.
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there is enough clearance between the rear of the tractor frame and the landing gear.
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