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Any driver, regardless of the vehicle Class, who wants to haul hazardous materials, must add an “H” endorsement to their CDL. In order to obtain the Hazmat endorsement drivers are required to pass a Transportation Security Administration background check and a knowledge test. The Massachusetts hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The MA CDL hazmat test covers the information found in the Massachusetts CDL Manual. Study the chapter covering hazardous materials to learn how to recognize, handle, and transport Hazmat, then take this practice test to prepare for your exam!
1. What should you do if you doubt you have safe space to pass under a low bridge?
Increase the weight of your vehicle to clearing under the bridge.
Assume that the height posted at the bridges is correct.
Go slowly, and take another route if you are not sure you can make it.
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
2. Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
the parking brake should never used to slow the vehicle.
pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
shifting into neutral may help slow the vehicle.
All of the above.
3. If you have convex mirrors, be aware that:
in a convex mirror objects appears larger than they really are.
everything appears smaller in a convex mirror than it would if you were looking at it directly.
objects may appear to be faster than they really are.
objects seem closer than they really are.
4. While driving, you should keep the shipping papers:
within reach.
in the sleeping compartment.
on the driver's seat.
under the seat.
5. If the word "Forbidden" is written or typed in the Hazard Class or Division column of any entry in the Hazardous Materials Table:
The product may only be transported with an escort vehicle.
Never transport the product.
The product must never be larger than the RQ.
The carrier may not open the package or container.
6. To recognize if the shipment includes hazardous materials, you should look at the shipping paper and:
know what business is the shipper is in.
see if there are tanks with diamond labels or placards on the premises.
look at the shapes of containers.
All of the above.
7. Hazardous materials may be transported:
by a CDL holder with a HazMat endorsement.
by any driver with a CDL license.
by a CDL holder with a tank vehicles endorsement.
by any driver with a Certification of Driving Experience.
8. Escape ramps:
cannot be used by certain types of heavy vehicles.
are designed to stop runaway vehicles safely.
should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
All of the above.
9. Whether or not they load and secure the cargo themselves, drivers are responsible for:
recognizing poorly balanced weight.
knowing the cargo does not obscure the view ahead or to the sides.
making sure the cargo does not restrict access to emergency equipment.
All of the above.
10. If the drive wheels start to skid:
accelerate slightly to regain control.
push in the clutch to let them turn freely.
use the brakes to slow down.
All of the above.
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Hazmat CDL Test (MA)

Number of questions: 30
Correct answers to pass:24
Passing score:80%
Number of questions: 30
Correct answers to pass:24
Passing score:80%
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