1 | Page
CALIFORNIA COMMERCIAL
DRIVER HANDBOOK
VEHICLE CLASSES, CDL
LICENSING
& SAFETY REGULATIONS | CA DMV
COMMERCIAL DRIVER Q&A
What is the significance of the dual air brake system? --
CorrectAnswer✅✅......It provides a backup system in case one part of
the air brake system fails.
What should be inspected before driving a combination vehicle? -
Correct-Answer✅✅......Brakes, lights, and coupling devices.
What is the purpose of the 'Inspecting Cargo' section? --Correct-
Answer✅✅......To ensure cargo is secured and does not exceed weight
limits.
,2 | Page
What are the key components of safe driving outlined in the handbook? -
-Correct-Answer✅✅......Vehicle inspection, basic control, managing
speed, and seeing hazards.
What is the recommended action when driving in fog? --
CorrectAnswer✅✅......Use low beam headlights and reduce speed.
What does CVC stand for? --Correct-Answer✅✅......California Vehicle
Code
What is the maximum gross weight for a vehicle under Class C? -
Correct-Answer✅✅......26,000 pounds or less.
What is a common disqualification for a CDL? --Correct-
Answer✅✅......Driving under the influence of alcohol or drugs.
What is the purpose of brake-door interlocks? --Correct-
Answer✅✅......To prevent the vehicle from moving when the door is
open.
,3 | Page
What is the importance of managing space while driving? --
CorrectAnswer✅✅......To maintain a safe distance from other vehicles
and avoid collisions.
What should a driver do in case of a driving emergency? --Correct-
Answer✅✅......Remain calm, assess the situation, and take appropriate
action.
Who is the Governor of California? --Correct-Answer✅✅......Gavin
Newsom
What is the purpose of the California Commercial Driver Handbook? --
Correct-Answer✅✅......To provide guidelines and information for
commercial drivers in California.
What does GVWR stand for? --Correct-Answer✅✅......Gross Vehicle
Weight Rating
, 4 | Page
What is the maximum weight for a single vehicle under Class C? --
Correct-Answer✅✅......10,000 pounds or less
What is required for a vehicle to be classified under Class A? --
CorrectAnswer✅✅......A single vehicle with a GVWR of more than
26,000 pounds.
What type of vehicle can a Class B driver operate? --
CorrectAnswer✅✅......A single vehicle with a GVWR of 26,001
pounds or more.
What is the maximum weight for a motorcycle trailer under Class M? --
Correct-Answer✅✅......There is no specific maximum weight
mentioned; it depends on the motorcycle's capacity.
What is a requirement for towing a trailer coach over 10,000 pounds? -
Correct-Answer✅✅......It must not be used for hire.
CALIFORNIA COMMERCIAL
DRIVER HANDBOOK
VEHICLE CLASSES, CDL
LICENSING
& SAFETY REGULATIONS | CA DMV
COMMERCIAL DRIVER Q&A
What is the significance of the dual air brake system? --
CorrectAnswer✅✅......It provides a backup system in case one part of
the air brake system fails.
What should be inspected before driving a combination vehicle? -
Correct-Answer✅✅......Brakes, lights, and coupling devices.
What is the purpose of the 'Inspecting Cargo' section? --Correct-
Answer✅✅......To ensure cargo is secured and does not exceed weight
limits.
,2 | Page
What are the key components of safe driving outlined in the handbook? -
-Correct-Answer✅✅......Vehicle inspection, basic control, managing
speed, and seeing hazards.
What is the recommended action when driving in fog? --
CorrectAnswer✅✅......Use low beam headlights and reduce speed.
What does CVC stand for? --Correct-Answer✅✅......California Vehicle
Code
What is the maximum gross weight for a vehicle under Class C? -
Correct-Answer✅✅......26,000 pounds or less.
What is a common disqualification for a CDL? --Correct-
Answer✅✅......Driving under the influence of alcohol or drugs.
What is the purpose of brake-door interlocks? --Correct-
Answer✅✅......To prevent the vehicle from moving when the door is
open.
,3 | Page
What is the importance of managing space while driving? --
CorrectAnswer✅✅......To maintain a safe distance from other vehicles
and avoid collisions.
What should a driver do in case of a driving emergency? --Correct-
Answer✅✅......Remain calm, assess the situation, and take appropriate
action.
Who is the Governor of California? --Correct-Answer✅✅......Gavin
Newsom
What is the purpose of the California Commercial Driver Handbook? --
Correct-Answer✅✅......To provide guidelines and information for
commercial drivers in California.
What does GVWR stand for? --Correct-Answer✅✅......Gross Vehicle
Weight Rating
, 4 | Page
What is the maximum weight for a single vehicle under Class C? --
Correct-Answer✅✅......10,000 pounds or less
What is required for a vehicle to be classified under Class A? --
CorrectAnswer✅✅......A single vehicle with a GVWR of more than
26,000 pounds.
What type of vehicle can a Class B driver operate? --
CorrectAnswer✅✅......A single vehicle with a GVWR of 26,001
pounds or more.
What is the maximum weight for a motorcycle trailer under Class M? --
Correct-Answer✅✅......There is no specific maximum weight
mentioned; it depends on the motorcycle's capacity.
What is a requirement for towing a trailer coach over 10,000 pounds? -
Correct-Answer✅✅......It must not be used for hire.
