CDL DOUBLES PRACTICE TEST MISSISSIPPI
11.
A low air pressure warning signal:
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is required on vehicles with air brakes.
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is optional on vehicles with air brakes.
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is required on all vehicles without air brakes.
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None of the above.
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12.
Which of the following is not a type of retarder?
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Hydraulic
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Pressure
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Electric
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Exhaust
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13.
Too little weight on the driving axles can cause:
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mechanical damage.
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poor traction.
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poor visibility.
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longer stopping distances.
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14.
To make the brakes work, air brakes use:
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hydraulic air.
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nitrogen.
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compressed air.
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carbon monoxide.
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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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drive slowly in the left lane of traffic.
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stay in your lane.
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reduce your following distance.
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16.
Watch out for black ice:
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when the temperature is above freezing and the road is dry.
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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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17.
Radial and bias-ply tires:
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should not be used together.
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should be used together only during bad weather.
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should be used together only when driving in packed snow.
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should be used together.
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18.
Which of the following is a reason to cover cargo?
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To protect people from spilled cargo
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To protect the cargo from weather
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To contain a spill
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All of the above.
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19.
To know if your vehicle is equipped with ABS, look for:
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a yellow ABS malfunction lamps on the instrument panel.
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the ABS shipping paper.
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an ABS placard.
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the ABS logo on the steering wheel.
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20.
When checking the engine compartment in a vehicle inspection, you should check all of the following except:
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Windshield washer fluid level
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Coolant level in radiator
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Shock absorbers
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Engine oil level
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