GENERAL KNOWLEDGE CDL TEST MISSISSIPPI - PRACTICE TEST
41.
A low air pressure warning signal must come on when the air pressure in the tanks falls below:
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60 psi.
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10 psi.
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100 psi.
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15 psi.
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42.
With the controlled braking method:
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you lightly tap the brakes.
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you use the parking brake to lock the wheels.
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you apply your brakes all the way and release the brakes when the wheels lock up.
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you apply your brakes as hard as possible without locking the wheels.
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43.
Driving dry bulk tanks requires special care. Why?
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They have a high center of gravity.
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The load can shift.
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Their weight and size can make it more difficult to stop quickly.
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All of the above.
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44.
In cool weather, as the temperature rises to the point where ice begins to melt:
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the road will become more slippery.
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it is safe to drive.
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traction will increase.
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black will makes the road look wet.
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45.
ABS brakes help you:
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find an escape route when the service brakes fail.
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downshift before starting down a hill.
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avoid wheel lock up.
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lock up the wheels in an emergency stop.
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46.
What is Gross Vehicle Weight (GVW)?
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The total weight of a single vehicle including its cargo.
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The total weight of a vehicle, including that of any trailers.
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A vehicle's maximum weight rating, specified by its manufacturer.
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None of the above.
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47.
When approaching a vehicle as part of a pre-trip inspection, the driver should look under the vehicle for all of the following except:
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Fresh oil
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Windshield wiper fluid
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Grease
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Coolant
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48.
When is use of a drug given to a driver by a doctor permitted?
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Only if it's a prescription drug.
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Only if the doctor informs the driver that the drug won't affect safe driving ability.
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Never.
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Only if it's an over the counter drug.
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49.
Which of the following statements about overhead clearance is true?
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The weight of a cargo van changes its height.
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If the road causes your vehicle to tilt, you should drive a little closer to the side of the road.
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You should assume the heights posted at bridges and overpasses are correct.
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All of the above.
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50.
If you have a HazMat endorsement and renounce your U.S. citizenship:
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you may keep your endorsement until your next license renewal date.
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you may keep your endorsement if you pass the exam for non-U.S. citizens.
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you will lose your HazMat endorsement.
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you may transfer your endorsement to a trusted U.S. citizen.
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