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Truck Test 8

1.By federal law, how often must you perform manual and automatic slack adjuster inspections?

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Truck Test 8

2.What colour are signs, such as speed limit signs, that advise drivers about driving regulations?

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Truck Test 8

3.What are the maximum amounts of on-duty times in Cycles 1 and 2?

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Truck Test 8

4.You enter a lane in which there are double broken yellow lines running down the center. What is the significance of these lane markings?

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Truck Test 8

5.As a commercial driver, you must keep in your possession a daily log that's updated to your last change in duty status, as well as copies of your daily log for your cycle, and any supporting documents. How much time do you have to submit those items to your carrier?

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Truck Test 8

6.You are driving a tractor-trailer, and the two connecting air lines between the tractor and trailer have just broken. What's function does the tractor protection system perform in this circumstance?

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7.Using the pry method of free stroke measurement for checking brake adjustment, a free stroke approaching what length indicates the brakes need adjusting?

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8.Compounding spring and air brakes can permanently damage service brake components. How can you avoid compounding brakes?

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9.Why do commercial vehicles with air brakes also have mechanical parking brakes?

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Truck Test 8

10.There are usually two air line connections between a tractor and a trailer. One provides air from the tractor's compressor to the trailer at full reservoir pressure. What does the other airline connection supply?

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11.What is an industrial road?

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12.If there are two drivers with a vehicle, generally only one of the two needs to sign the written inspection report. When must both drivers sign the report?

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13.Why is manual adjustment of automatic slack adjusters dangerous?

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14.In a dual air brake system, if an airline in the primary braking system ruptures, what happens if you make a brake application?

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15.What colour and shape are signs that pertain to warnings near schools?

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16.Which of the following are two ways that spring parking brakes can be held in the released position?

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17.How much might you be fined for operating a vehicle with defective brakes, including excessive brake chamber pushrod stroke?

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18.What colour and shape are signs on the road that warn of possible hazards ahead?

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19.Which of the following is correct when you are manually performing a slack adjustment?

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20.When a sign displays a red circle with a red line that bisects the circle at an angle, what should drivers understand about the action depicted on the sign underneath the red circle?

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21.What are glad hands?

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22.What must you do if the low pressure warning indicator on your air brake activates?

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23.Using the applied stroke method for checking for brake adjustment, an applied stroke approaching what length indicates the brakes need adjusting?

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24.As a commercial driver, how many hours of off-duty time must you take every day and how many of those hours must be consecutive?

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25.The air line between the compressor on your vehicle and the supply reservoir has ruptured. Which of the following prevents a total loss of air pressure in the service brake system?

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26.How many consecutive hours off-duty does it take to reset Cycle 1 and Cycle 2?

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27.What happens when a trailer relay emergency system 'dynamites' the trailer's brakes?

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28.An air brake-endorsed driver's licence is required to operate most vehicles equipped with air-over-hydraulic brakes. What is the only exception?

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29.As a tractor-trailer truck driver, you pull into a pullout area to complete a pre-hill inspection. If your vehicle has air brakes with automatic slack adjusters, must you check pushrod travel?

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30.You are traveling in an empty truck on a steep hill on a single-lane industrial road. What must you do when a loaded vehicle is approaching?

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31.A relay valve is installed to reduce what?

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32.To prevent contamination, reservoirs should be drained how often?

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33.The mechanical parts of the brake system inside the wheel are known as what?

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34.When an air pressure warning is given, what should you do?

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35.The air pressure gauge for the system will be found where?

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36.In most systems the primary section of a dual air brake system controls what?

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37.A dual air brake system usually has how many reservoirs?

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38.Which of these is not part of an air brake chamber?

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39.A quick release valve between the front brake chambers and the foot valve serves what purpose?

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40.A dual brake system has brakes controlled by…?

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41.How often should you check air pressure gauges on a trip?

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42.The safety valve is sometimes referred to as what?

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  • Passing Score 80%