DMV CLASS B LICENSE: GENERAL KNOWLEDGE TEST
WITH VERIFIED QUESTIONS AND ANSWERS | NEW AND
UPDATED 2026 !!! |GRADED A+//
CDL medical certificates must be renewed every:
a) Year
b) Two Years
c) Four years
b) Two Years
What should you do when you are driving at night?
a) Make sure you are driving slow enough so you can stop within the
range of your headlights in an emergency
b) Roll down your windows so that the fresh air will help keep you
awake
c) If you are sleepy, drink coffee or other caffeine products
a) Make sure you are driving slow enough so you can stop within the
range of your headlights in an emergency
What are three things that add up to the total stopping distance for
your truck or bus?
a) Attention distance, Reaction distance, slowing distance
,b) Observation distance, response distance, braking distance
c) Perception distance, reaction distance, braking distance
c) Perception distance, reaction distance, breaking distance
You are checking your steering and exhaust systems in a pre-trip
inspection. Which of these problems, if found, should be fixed before
the vehicle is driven?
a) Oil on the rod
b) Black smoke from the exhaust pipe
c) Steering wheel play of more than 10 percent (2'' on a 20'' steering
wheel)
c) Steering wheel play of more than 10 percent (2'' on a 20'' steering
wheel)
The purpose of retarders is to:
a) Apply extra braking power to the non-drive vehicles
b) Help prevent skids
c) Help slow the vehicle while driving and reduce brake wear
c) Help slow the vehicle while driving and reduce brake wear
, Which of these is especially true about your tires in hot weather?
a) You should check tire mounting and air pressure before driving
b) If the tire is too hot to touch, you should hose it down with water
c) A small amount of air should be let out so air pressure remains
steady
a) You should check tire mounting and air pressure before driving
Which of these is usually true about driving in tunnels?
a) Headlights are required by law
b) There may be strong winds when exiting
c) Speeds are limited to 30 MPH or less
b) There may be strong winds when exiting
When driving through work zones, you should:
a) Reduce speed only if workers are close to the roadway
b) Turn on your parking lights
c) Watch for sharp pavement drop-off
c) Watch for sharp pavement drop-off
WITH VERIFIED QUESTIONS AND ANSWERS | NEW AND
UPDATED 2026 !!! |GRADED A+//
CDL medical certificates must be renewed every:
a) Year
b) Two Years
c) Four years
b) Two Years
What should you do when you are driving at night?
a) Make sure you are driving slow enough so you can stop within the
range of your headlights in an emergency
b) Roll down your windows so that the fresh air will help keep you
awake
c) If you are sleepy, drink coffee or other caffeine products
a) Make sure you are driving slow enough so you can stop within the
range of your headlights in an emergency
What are three things that add up to the total stopping distance for
your truck or bus?
a) Attention distance, Reaction distance, slowing distance
,b) Observation distance, response distance, braking distance
c) Perception distance, reaction distance, braking distance
c) Perception distance, reaction distance, breaking distance
You are checking your steering and exhaust systems in a pre-trip
inspection. Which of these problems, if found, should be fixed before
the vehicle is driven?
a) Oil on the rod
b) Black smoke from the exhaust pipe
c) Steering wheel play of more than 10 percent (2'' on a 20'' steering
wheel)
c) Steering wheel play of more than 10 percent (2'' on a 20'' steering
wheel)
The purpose of retarders is to:
a) Apply extra braking power to the non-drive vehicles
b) Help prevent skids
c) Help slow the vehicle while driving and reduce brake wear
c) Help slow the vehicle while driving and reduce brake wear
, Which of these is especially true about your tires in hot weather?
a) You should check tire mounting and air pressure before driving
b) If the tire is too hot to touch, you should hose it down with water
c) A small amount of air should be let out so air pressure remains
steady
a) You should check tire mounting and air pressure before driving
Which of these is usually true about driving in tunnels?
a) Headlights are required by law
b) There may be strong winds when exiting
c) Speeds are limited to 30 MPH or less
b) There may be strong winds when exiting
When driving through work zones, you should:
a) Reduce speed only if workers are close to the roadway
b) Turn on your parking lights
c) Watch for sharp pavement drop-off
c) Watch for sharp pavement drop-off
