With their CDL instruction permit in hand and confident of passing the medical examination, the applicant should look to fulfilling the knowledge tests relevant to their intended driving. In Ohio, with the exception of the General Knowledge Test, these tests are purpose specific and are taken on the basis of the license and endorsements required.
All applicants are required to complete the General Knowledge Test.
Other knowledge tests include:
|The Passenger Transport Test
|Hazardous Materials Test
||Drivers intending to haul hazardous materials or waste in amounts requiring placarding.
|The Tanker Test
||Drivers intending to haul bulk liquids.
|The Combination Vehicles Test
||Drivers intending to drive combination vehicles
|The Doubles or Triples Test
||Drivers intending to haul double or triple trailers respectively.
|The Air Brakes Test
||Drivers intending to drive vehicles with Air Brakes
Other purpose specific tests may apply and this is another instance of the driver anticipating the path ahead and making relevant enquiries to ascertain the tests that they need to undertake. It is highly probable that drivers will need multiple endorsements and will need to complete more than one Knowledge Test in addition to the General Knowledge Test.
In Ohio, these examinations can be taken at Ohio BMV Licensing Offices. The General Knowledge Test carries a cost of approximately $50 and the other endorsement Knowledge tests cost approximately $10 each. It is wise to make appointments for these test through the local Ohio BMV Licensing Office listed in the website above.
In order to pass these tests, the candidate must achieve a score of at least 85%. As with the CDL Instruction Permit this level of expertise is demanded to ensure the safety of all road users and the professionalism of the CDL Driver.
Take advantage of eGears HazMat Practice Test which covers the entire Hazardous Materials section of the CDL Manual for Ohio.