Air Brake Restrictions and Transmission Choices — Applied Knowledge

Build confidence with 10 original questions about Air Brake Restrictions and Transmission Choices — Applied Knowledge. Review your answers and explanations after finishing.

Supplemental study practice. This is not a government licensing exam or ELDT certification, and does not replace hands-on training. Follow your state’s current handbook.

1 / 10

A driver passes a Class B skills test in a full-air-brake vehicle with a manual transmission. The next job requires operating a Class A combination. What should the driver understand?

A Class B test permits any vehicle if the trailer is empty

A manual transmission automatically grants Class A privileges

The Class B test does not qualify the driver for Class A; the appropriate upgrade and required training/testing are needed

Full air brakes automatically grant a fifth-wheel qualification

2 / 10

A driver wants to avoid having an ‘L’ restriction for air brakes on their CDL. Which of the following actions should they take during the skills test process?

Skip the air brake knowledge test

Take the test in a vehicle with hydraulic brakes only

Take the test in a vehicle with an automatic transmission

Take the skills test in a vehicle with a full air brake system and pass the air brake knowledge and skills checks

3 / 10

A driver takes the skills test for a Class A CDL in a vehicle with a non-fifth wheel connection, such as a pintle hook. What restriction will be placed on their license?

L restriction: no air brakes

Z restriction: no full air brakes

E restriction: no manual transmission

O restriction: no Class A vehicles with a fifth wheel connection

4 / 10

A driver with a Class A CDL wants to operate a Class B passenger vehicle after passing the passenger endorsement skills test in a Class B vehicle. What restriction will be placed on their license?

M restriction: only Class B and C passenger vehicles

Z restriction: no full air brakes

L restriction: no air brakes

E restriction: no manual transmission

5 / 10

A driver wants to operate a CMV with full air brakes and manual transmission, but took the skills test in a vehicle with air over hydraulic brakes and automatic transmission. Which restrictions will appear on their CDL?

No restrictions

Only L restriction

Both Z and E restrictions

Only O restriction

6 / 10

A driver with a Class B CDL wants to upgrade to a Class A CDL. What federal training requirement must be met before taking the skills test?

Complete entry-level driver training (ELDT) with a registered provider

Pass the hazardous materials knowledge test

Obtain a medical variance

Hold a CLP for at least one year

7 / 10

A driver takes the CDL skills test in a vehicle equipped with air over hydraulic brakes. What restriction will be placed on their license as a result?

E restriction: no manual transmission

Z restriction: no full air brake vehicles

L restriction: no air brakes at all

O restriction: no fifth wheel connection

8 / 10

A driver takes the skills test in a vehicle with hydraulic brakes only. What restriction is likely to be placed on their CDL?

Z restriction: no full air brakes

L restriction: no full air brake vehicles

O restriction: no fifth wheel connection

E restriction: no manual transmission

9 / 10

A driver takes the CDL skills test in a truck with an automatic transmission. What restriction will be added to their license?

O restriction: no fifth wheel connection

E restriction: no manual transmission vehicles

Z restriction: no full air brakes

L restriction: no air brakes

10 / 10

A driver is preparing for the CDL skills test and wants to operate Class A vehicles with full air brakes and manual transmission. Which vehicle should they use for the test to avoid restrictions?

A Class B vehicle with full air brakes

A Class A vehicle with full air brakes and manual transmission

A Class A vehicle with hydraulic brakes only

A Class A vehicle with air over hydraulic brakes and automatic transmission

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