DMV CDL Class B License
General Knowledge Test 2026 |
Complete Questions and Guide
Answers, 100% Verified Graded
A+
CDL medical certificates must be renewed every:
a) Year
b) Two Years
c) Four years - ANSWER-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 - ANSWER-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 - ANSWER-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) -
ANSWER-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 - ANSWER-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 -
ANSWER-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
General Knowledge Test 2026 |
Complete Questions and Guide
Answers, 100% Verified Graded
A+
CDL medical certificates must be renewed every:
a) Year
b) Two Years
c) Four years - ANSWER-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 - ANSWER-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 - ANSWER-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) -
ANSWER-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 - ANSWER-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 -
ANSWER-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
