View instructions
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 Ohio hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The OH CDL hazmat test covers the information found in the Ohio 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. A person attending a placarded parked vehicle:
must know what to do in emergencies.
must be in the vehicle, awake, or within 100 feet of the vehicle, and have the vehicle within clear view.
All of the above.
2. Who must mark and label the hazardous materials?
The carrier
The driver
The shipper
3. When checking the engine compartment:
the parking brake should be on.
you should put the gearshift in neutral.
wheels should not be chocked.
4. Placards are:
signs put inside a vehicle used to warn others of hazardous materials.
devices placed below a vehicle to improve traction.
signs placed on a vehicle to identify the hazard class of the cargo.
5. To find out if a shipment includes hazardous materials, you should:
look at the shipping papers.
look for a hazardous material spill.
Turn your engine off, then check the cargo.
6. Whether or not they load and secure the cargo themselves, drivers are responsible for:
making sure the cargo does not restrict access to emergency equipment.
knowing the cargo does not obscure the view ahead or to the sides.
All of the above.
7. Before moving a tank of hazardous materials, you must:
close all manholes and valves.
send the shipping papers to the shipper.
call the Chemical Transportation Emergency Center and tell them your destination.
8. Placards must be placed:
so that the format, color, and message can only be seen by the driver.
so the words or numbers are read from left to right.
less than 3 inches away from any other markings.
9. Radial and bias-ply tires:
should be used together only when driving in packed snow.
should not be used together.
should be used together.
10. Most heavy vehicles require ________ change gears.
double clutching
single clutching
double shifting
Page 1 of 3
Next page

CDL Hazmat Test OH

Number of questions: 30
Correct answers to pass:24
Passing score:80%
Share This Online CDL Test
Rate this CDL Hazmat Test
4.5 out of 5
based on 393 votes