CDL TANKER TEST IDAHO - PRACTICE TEST
11.
Tank vehicles:
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have a high center of gravity.
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require less space for stopping and turning than most other vehicles.
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have a low center of gravity.
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12.
How should you apply the brakes when going down a steep downgrade?
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Apply the brakes when you reach the bottom of the downgrade.
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Apply the brakes as hard as you can without locking the wheels.
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Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
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13.
When coupling, you should:
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make sure the trailer wheels are not chocked.
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make sure the trailer kingpin is bent.
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be aware that wrong coupling and uncoupling can be very dangerous.
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14.
An ABS system:
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helps you avoid skids caused by over braking.
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gives you more control over the vehicle during braking.
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All of the above.
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15.
How does liquid surge affect the handling of a tank vehicle?
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It tends to push the truck in the direction the wave is moving.
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It makes the road slippery.
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It makes it easier to slow down to a safe speed.
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16.
Retarders:
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reduce braking distance.
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help slow a vehicle, reducing the need for using brakes.
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improve gas mileage.
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17.
In newer vehicles with air brakes, you put on the parking brake:
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using a diamond-shaped, yellow, push-pull control knob.
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placing the transmission in Park.
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using a P-shaped, yellow control knob.
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18.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
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increase your speed to approximately 45 mph, and then apply release the brakes.
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apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
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apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
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19.
Road surfaces where water collects can create conditions that cause a vehicle to hydroplane. Which of the following is an indication of standing water?
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Tire splashes
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Clear reflections
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All of the above.
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20.
With the controlled braking method:
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you apply your brakes as hard as possible without locking the wheels.
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you lightly tap the brakes.
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you apply your brakes all the way and release the brakes when the wheels lock up.
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