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CDL General Knowledge |
Comprehensive Key Questions With
Verified Answers
You are testing the stopping action of service brakes on a hydraulic system. Which
of these can mean there is a problem?-correct-answer-(all) The brake pedal goes
to the floor; stopping action is delayed; the vehicle pulls to one side when the
brake pedal is pressed.
The distance that you should look ahead of your vehicle while driving amounts to
about _______________ at highway speed.-correct-answer-1/4 mile.
Which of these statements about drinking alcohol is true?-correct-answer-(all)
alcohol first affects judgment and self-control, which are essential for safe driving;
Statistics show that drivers who have been drinking have a much greater chance
of being in a crash; A driver can lose their license for driving while under the
influence of alcohol.
On which fires can you use the "ABC" fire extinguisher?-correct-answer-(all)
Electrical fires; Burning tires; Burning cloth.
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Which of these is a proper use of vehicle lights and flashers?-correct-answer-(all)
Flashing your brake lights to warn someone behind you of a hazard that will
require slowing down; Turning on your headlights during the day when visibility is
reduced due to rain or snow; Flashing your brake lights to warn someone behind
you that you're going to stop on the road.
Which of these tell you that cargo contains hazardous materials?-correct-answer-
a four-inch, diamond shaped hazardous materials label on the container and A
hazardous materials placard on the vehicle.
If you are convicted for driving under the influence while driving a commercial
vehicle and this is your first offense, you will most likely get:-correct-answer-At
least a one year suspension of your CDL.
Some liquid tanks are divided into several smaller tanks by:-correct-answer-
Bulkheads
Front-end header boards:-correct-answer-(both correct) Block the forward
movement of your cargo; Protect you from your cargo in case of collision.
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The height of the vehicle center of gravity is very important for safe handling. A
high center of gravity means you are ore likely to do the following:-correct-
answer-Rollover
The "load" means the following?-correct-answer-The maximum safe weight a tire
can carry at a specified pressure.
Whether or not you load and secure your load yourself, you are responsible for:-
correct-answer-(all) Knowing your cargo is securely tied-down and covered;
Recognizing overloads and poorly balanced weight; Inspecting your cargo.
Which of these statements about downshifting for a long downhill grade is true?-
correct-answer-It allows engine compression and friction to help the brakes slow
the vehicle.
Medical certificates must be renewed every:-correct-answer-2 years.
During a pre-trip inspection you discover an exhaust leak or power steering leak,
you should:-correct-answer-Report the problem and make arrangements for
another vehicle to use.
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During what time in your pre-trip inspection of a school bus do you check the back
emergency door? (to ensure it is closed.)-correct-answer-During step four (lights
first half) the inside walk through.
Inspect your cargo after you have driven:-correct-answer-25 miles or 50 miles
depending on the law in the state you are in, then again after 3 hours or after you
have driven 150 miles and after every stop for a break.
Axle weight means the following?-correct-answer-The weight transmitted to the
ground by one axle or one set of axles.
Blocking your cargo to keep it from sliding must be done at the:-correct-answer-
used in front, back, and/or sides of a piece of cargo.
Over-length, over-width, and/or overweight loads require:-correct-answer-(all)
Flashing lights; Driving limited to certain times; Special transit permits.
Turn signals should be used:-correct-answer-At least 100 feet before turning or
changing lanes.
CDL General Knowledge |
Comprehensive Key Questions With
Verified Answers
You are testing the stopping action of service brakes on a hydraulic system. Which
of these can mean there is a problem?-correct-answer-(all) The brake pedal goes
to the floor; stopping action is delayed; the vehicle pulls to one side when the
brake pedal is pressed.
The distance that you should look ahead of your vehicle while driving amounts to
about _______________ at highway speed.-correct-answer-1/4 mile.
Which of these statements about drinking alcohol is true?-correct-answer-(all)
alcohol first affects judgment and self-control, which are essential for safe driving;
Statistics show that drivers who have been drinking have a much greater chance
of being in a crash; A driver can lose their license for driving while under the
influence of alcohol.
On which fires can you use the "ABC" fire extinguisher?-correct-answer-(all)
Electrical fires; Burning tires; Burning cloth.
,2|Page
Which of these is a proper use of vehicle lights and flashers?-correct-answer-(all)
Flashing your brake lights to warn someone behind you of a hazard that will
require slowing down; Turning on your headlights during the day when visibility is
reduced due to rain or snow; Flashing your brake lights to warn someone behind
you that you're going to stop on the road.
Which of these tell you that cargo contains hazardous materials?-correct-answer-
a four-inch, diamond shaped hazardous materials label on the container and A
hazardous materials placard on the vehicle.
If you are convicted for driving under the influence while driving a commercial
vehicle and this is your first offense, you will most likely get:-correct-answer-At
least a one year suspension of your CDL.
Some liquid tanks are divided into several smaller tanks by:-correct-answer-
Bulkheads
Front-end header boards:-correct-answer-(both correct) Block the forward
movement of your cargo; Protect you from your cargo in case of collision.
,3|Page
The height of the vehicle center of gravity is very important for safe handling. A
high center of gravity means you are ore likely to do the following:-correct-
answer-Rollover
The "load" means the following?-correct-answer-The maximum safe weight a tire
can carry at a specified pressure.
Whether or not you load and secure your load yourself, you are responsible for:-
correct-answer-(all) Knowing your cargo is securely tied-down and covered;
Recognizing overloads and poorly balanced weight; Inspecting your cargo.
Which of these statements about downshifting for a long downhill grade is true?-
correct-answer-It allows engine compression and friction to help the brakes slow
the vehicle.
Medical certificates must be renewed every:-correct-answer-2 years.
During a pre-trip inspection you discover an exhaust leak or power steering leak,
you should:-correct-answer-Report the problem and make arrangements for
another vehicle to use.
, 4|Page
During what time in your pre-trip inspection of a school bus do you check the back
emergency door? (to ensure it is closed.)-correct-answer-During step four (lights
first half) the inside walk through.
Inspect your cargo after you have driven:-correct-answer-25 miles or 50 miles
depending on the law in the state you are in, then again after 3 hours or after you
have driven 150 miles and after every stop for a break.
Axle weight means the following?-correct-answer-The weight transmitted to the
ground by one axle or one set of axles.
Blocking your cargo to keep it from sliding must be done at the:-correct-answer-
used in front, back, and/or sides of a piece of cargo.
Over-length, over-width, and/or overweight loads require:-correct-answer-(all)
Flashing lights; Driving limited to certain times; Special transit permits.
Turn signals should be used:-correct-answer-At least 100 feet before turning or
changing lanes.
