CDL PRACTICE TEST (MA) - GENERAL KNOWLEDGE TEST
41.
If you find anything unsafe during the pre-trip inspection, you are required to:
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inform your motor carrier after the trip.
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write it in your inspection report.
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get it fixed before driving.
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drive cautiously until it is fixed.
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42.
You are driving on a two-lane road. If an oncoming driver has drifted into your lane:
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a move to your right is best.
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you should brake as hard as you can.
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a move to your left is best.
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you should downshift.
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43.
When you need to brake, you should warn the drivers behind:
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by flashing your brake lights.
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by turning on the 4-way emergency flashers.
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by making gestures.
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by changing lanes.
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44.
When driving on wet roads, you should:
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reduce speed by about one-third.
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reduce speed by 60%.
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pull of the road and get some rest.
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follow the vehicle ahead more closely than under ideal driving conditions.
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45.
Even if you are not required to always stop at railroad crossings and you are sure no train is approaching, you must stop before reaching the crossing if:
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there is oncoming traffic.
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the tracks are not clear.
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you can drive completely through the crossing without stopping.
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there is no oncoming traffic.
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46.
Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
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yellow.
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blue.
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red.
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white.
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47.
If ABS is not working:
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you should pump the brakes.
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a yellow malfunction lamp will light up on the control panel.
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the brakes will lock up.
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you should stay off the brake.
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48.
The service line is also called:
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control line.
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power line.
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cable line.
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brake line.
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49.
Blood Alcohol Concentration (BAC) is determined by:
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how frequently you drink.
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the amount of alcohol you drink.
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the type of alcohol you drink.
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All of the above.
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50.
To keep cargo from shifting or falling off, cargo should have at least one tie-down for every ___ feet of cargo.
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10
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15
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20
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5
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