Truck Test 10

1.When stopping on slippery surfaces with an ABS equipped truck, how should you apply the brake pedal?

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2.If your vehicle is equipped with an air dryer system, you need to drain the reservoirs…?

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3.With brakes on the same axle, pushrod travel should be…?

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4.An application pressure gauge shows what?

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5.Which of these people is ultimately responsible for making sure air brakes are working properly?

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6.If your vehicle has wedge brakes, you will know the automatic adjusters have failed if when the brakes are applied and released the linings move more than…?

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7.On which of these vehicles are you most likely to find air over hydraulic brakes?

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8.If a vehicle is equipped with a tractor parking brake valve, it will usually be what colour?

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9.Your vehicle will have automatic slack adjusters if it was built later than…?

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10.Which of these statements is most accurate regarding poorly adjusted brakes?

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11.The trailer air supply knob on the dashboard will usually be what shape?

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12.A tractor with a bobtail proportioning system will reduce the braking pressure to the drive axle brakes by up to…?

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13.In a Type 30 brake chamber, the maximum available stroke is…?

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14.Automatic slack adjusters need to be checked…?

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15.When you want to apply the trailer brakes without applying the tractor brakes, what should you use?

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16.Which of these factors influence braking performance?

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17.The emergency brake will come on automatically when the air pressure in the service brake system drops below…?

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18.When unloaded, a vehicle can stop in 20 m from 20 km/h. If the weight of the vehicle is doubled, how far will it need to stop from 40 km/h with the same brake pressure?

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19.When adjusting brakes, the vehicle should…?

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20.In a manual transmission vehicle, the brakes should be checked with the transmission in what gear?

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21.When using anti-lock brakes, you have to get used to…?

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22.When the brakes are on, the angle between the slack adjuster and the pushrod should be what?

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23.If the weight of your load doubles the weight of your vehicle, the stopping distance for the same brake pressure will be…?

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24.You're travelling at 90 km an hour and your brake system has a lag of half a second. How far will your vehicle travel in the time between you pressing the brake pedal and the brakes engaging?

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25.When checking brake adjustment, the air pressure gauge must read over what?

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26.The brake pressure gauge tells you what?

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27.When can the trailer handbrake be used as a parking brake?

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28.The low air pressure indicator will always come on if the pressure drops below what level?

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29.What colour is the trailer air supply knob?

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30.What is the handbrake used for?

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31.In a braking sequence, after the driver presses down on the brake pedal, what happens?

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32.Brake linings lose all effectiveness at temperatures over…?

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33.Heavy vehicles have a minimum of how many compressed air reservoirs?

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34.What is the big advantage that air brake systems have over hydraulic braking systems?

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35.The brake linings can be found where?

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36.Which of these limits your braking capability?

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37.The truck parking brake control is what colour?

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38.When connecting brake hose couplers, they should be held together at…?

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39.The air pressure gauge tells you what?

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40.The emergency brakes can be activated by doing what?

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41.Compared to hydraulic brakes, air brakes react…?

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42.When you double your speed, the amount of braking power required for the same stopping distance as your initial speed is…?

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43.An air brake system can go from a pressure loss to emergency braking within…?

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44.To keep brake hose couplers clean when not in use, they can be hooked up to dummy couplers or…?

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45.What is the unit of measurement indicated by a tachometer?

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