CA CDL DOUBLES TRIPLES TEST - PRACTICE TEST
11.
Weight that is loaded so there is a high center of gravity:
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reduces the chance that the load will shift to the side or fall off.
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makes a vehicle easier to handle.
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causes greater chance of rollover.
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12.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
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5, 50 and 500 feet
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10, 100 and 200 feet
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5, 25 and 50 feet
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13.
During freezing weather, which area is most likely to be slippery after it rains?
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Bridges.
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Shaded areas.
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All of the above.
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14.
Many large vehicles have convex (curved, "spot, "fisheye") mirrors. Convex mirrors:
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make things look smaller and farther away than they really are.
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misrepresent reality by showing a larger area than flat mirrors.
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are illegal in most states.
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15.
You as a driver should always:
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make emergency plans when you see a hazard.
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reduce your following distance.
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stay in your lane.
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16.
Which of the following is not a braking system on a truck?
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Service brake
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Parking brake
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Steering brake
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17.
The ABS malfunction lamp on the instrument panel is:
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Yellow
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Red
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Orange
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18.
When driving in hot weather, drivers should inspect tires:
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every 2 hours or every 100 miles.
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every 3 hours or every 75 miles.
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every 4 hours or every 200 miles.
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19.
The tractor protection valve:
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controls the emergency brakes on combination vehicles.
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keeps air in the tractor brake system should the trailer break away or develop a bad leak.
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supplies air to the trailer air tanks.
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20.
Most heavy-duty vehicles use:
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solid brakes.
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air brakes.
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hydraulic brakes.
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