MA CDL DOUBLES TRIPLES PRACTICE TEST
11.
To prevent rollover, you should:
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place the cargo near the front of the trailer.
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place the cargo near the rear of the trailer.
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keep the cargo as close to the ground as possible.
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put the lightest parts of the cargo under the heaviest parts.
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12.
During a walk around inspection of a combination vehicle, drivers should check that:
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the locking jaws are around the shank.
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the glide plate is securely mounted to the trailer frame.
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all locking pins are present and locked in place.
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All of the above.
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13.
Watch out for black ice:
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any time the temperature is below freezing and the road looks wet.
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when it is snowing.
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right after it starts to rain.
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when the temperature is above freezing and the road is dry.
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14.
When driving in very hot weather, you may have to:
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reduce your speed to prevent overheating.
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increase your speed until the tires cool off.
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decrease your following distance.
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watch out for black ice.
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15.
You should NOT use the parking brakes if:
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the brakes are too dry.
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the brakes are cold.
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the brakes are very hot.
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All of the above.
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16.
Combination vehicles usually:
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are easier to drive than single than single CMVs.
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are shorter than single than single CMVs.
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require more driving skill than single CMVs.
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All of the above.
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17.
If you experience a loss of hydraulic pressure, you should do all of the following except:
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Put the transmission in Neutral
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Downshift
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Use the parking brake
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Pump the brakes
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18.
Pre-trip inspections of doubles and triples should:
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be done once a week.
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take less time than inspecting straight trucks.
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be done by the shipper.
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take more time than inspecting straight trucks.
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19.
You can determine if your vehicle is equipped with ABS (anti-lock braking system) by:
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looking for wheel speed sensor wires coming from the rear of your brakes.
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checking for a yellow ABS malfunction lamp on the instrument panel.
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checking if your vehicle was manufactured after March 1, 1998.
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All of the above.
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20.
When you see you will need to slow down, you can warn drivers behind you by:
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slamming on the brakes.
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tapping the brakes a few times.
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turning on the right turn signal.
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making gestures.
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