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Commercial Drivers Licence Online Practice Test
Date :
08 / 12 / 2024
Q
1
)
The most common cause of serious vehicle skids is:
Driving too fast for road conditions.
Poorly designed roads.
Poorly adjusted brakes.
Q
2
)
You have left the road in an emergency condition, it is impossible for you to come to a stop prior to returning to the road, which of the following is the best action to take?
Stop and turn your vehicle around before entering the road.
Make sure the road is clear‚ and continue to return to the road.
Reduce your speed to 20 mph or less before returning to the road.
All the above are true.
Q
3
)
Which of these is the most important things to remember about emergency braking?
If the wheels are skidding you cannot control vehicle.
Disconnecting steering axle brakes will help keep your vehicle in a straight line during emergency braking.
Never do it without down shifting first.
It wears brake linings.
Q
4
)
What is black ice?
Dirty snow
Rain and snow mixed
A thin layer of ice clear enough that you can see the road underneath it.
Q
5
)
When getting in to start the engine and inspect inside the cab you must
Make sure the parking brake is on.
Put gearshift in neutral (or park if automatic).
Start engine and listen for unusual noises.
All of the above.
Q
6
)
To avoid roll backs when you start, you should:
Engage the clutch very quickly
Partly engage the clutch before you take your right foot off the brake
Press the accelerator
None of the above
Q
7
)
Which of these statements about engine overheating is true?
You should never remove the radiator cap on a pressurized system.
If your engine overheats within 20 miles of the end of your trip‚ you should complete the trip and then check the problem.
Antifreeze is not needed when the weather is warm.
You should never shut off an overheated engine until it cools.
Q
8
)
According to the drivers manual, why should you limit the use of your horn?
It wears down the battery.
It can startle other drivers.
The horn is not a good way to let others know you are there.
You should keep both hands tightly gripping the steering wheel.
Q
9
)
What are two special conditions where you should downshift?
Before starting down a hill and before entering a curve
When starting off fast and speed shifting
Before starting up a hill and before entering a curve
None of the above
Q
10
)
When looking ahead of your vehicle while driving you should look:
To the left side of the road.
To the right side of the road.
Back and forth‚ near and far.
Straight ahead.
Q
11
)
The purpose of a baffle is to:
Control the load surge
Separate the load
To keep expansion of load down
None of the above.
Q
12
)
Why put the starter switch key in your pocket during the pre-trip inspection?
So you do not lose it
For your safety
So no one moves the vehicle
None of the above
Q
13
)
When preparing to do a pre-trip inspection you must check to see that the parking brakes are on and/or chocked.
TRUE
FALSE
Dont Know
None of the above
Q
14
)
The distance that you should look ahead of your vehicle while driving amounts to about ____ at highway speed
500 feet
800 feet
1/4 mile
One block
Q
15
)
The load means the following?
Specified pressure an air tire can carry
The maximum safe weight a tire can carry at a specified pressure
Both of the above
None of the above
Q
16
)
What is a hazard?
Any road condition or other road user that is a possible danger.
A flashing amber light.
A small animal.
None of the above
Q
17
)
How can you avoid wet brake problems?
Speed up‚ shift to a higher gear.
Slow down‚ shift to a low gear‚ gently put on the brakes.
Drive in a regular manner.
None of the above
Q
18
)
The center of gravity of a load:
Is only a problem if the vehicle is overloaded.
Should be kept as high as possible.
Can make a vehicle more likely to tip over on curves.
All of the above.
Q
19
)
Which of these is the most important thing to remember about emergency braking?
Never do it without downshifting first.
Disconnecting the steering axle brakes will keep the vehicle in a straight line.
If the wheels are skidding‚ you cannot control the vehicle.
Will always work and allow you to avoid an emergency.
Q
20
)
Which of these statements about drinking alcohol is true.
Alcohol first affects judgement 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 his / her license for driving while under the influence of alcohol.
All of the above are true.
Minumum pass for the test is 75%
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Next »
Commercial Drivers Licence
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Commercial Driver Licence Test 2
Commercial Driver Licence Test 3
Commercial Driver Licence Test 4
Commercial Driver Licence Test 5
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