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Commercial Drivers Licence Online Practice Test - Exam 2
Date :
24 / 03 / 2023
Q
1
)
When approaching a curve you should:
Downshift as you come out of the curve
Downshift while in the curve
Downshift before entering the curve and accelerate slightly as you go through it
Downshift at anytime‚ it doesn?t make a difference
Q
2
)
While driving, you see a small (1 foot square) cardboard box ahead in your lane. You should:
Steer around it when it is safe to do so.
Hit it with your vehicle to knock it off the road.
Brake hard to avoid hitting it.
Stop and direct traffic around it.
Q
3
)
Turn signals should be used:
At least 100ft. Before turning or changing lanes
At least 200ft. Before turning or changing lanes
At least 300ft. Before turning or changing lanes
At least 500ft. Before turning or changing lanes
Q
4
)
Which of these statements about managing space is true?
Smaller vehicles require more space to stop than larger ones.
When the road is slippery‚ you should keep much more space in front of your vehicle.
Many accidents are caused by drivers keeping too much space in front of their vehicles.
All of the above.
Q
5
)
How do you test hydraulic brakes for leaks?
Pump the brake pedal three times‚ then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
Drive 20 mph and slam on the brakes.
Drive slowly and pump the brake pedal. Make sure it does not hit the floor.
Q
6
)
Which of these statements about overhead clearance is true?
A vehicles clearance can change with the load carried.
You should assume the posted clearance signs are correct.
Extra speed will cause air to push your vehicle down for extra clearance.
If the road surface causes your vehicle to tilt toward objects at the edge of the road‚ you should drive close to the shoulder.
Q
7
)
You do not have a hazardous materials endorsement on your commercial drivers license. When can you drive a vehicle hauling hazardous materials?
Never
Only when the shipment will not cross state lines.
Only when the vehicle does not require placards.
Only when a person who has the hazardous materials endorsement rides in the vehicle.
Q
8
)
Describe the proper braking technique when going down a long steep downgrade.
Apply the brake just hard enough to feel a definite slowdown.
When your speed has been reduced to around 5 mph below your "safe" speed‚ release the brake.
When your speed has increased to your "safe" speed. repeat A and B.
All of the above.
Q
9
)
Where should you ignition key be during your pre-trip inspection?
In the ignition
On the dashboard
In your pocket
Pocket on the door
Q
10
)
During a pre-trip inspection you discover an exhaust leak or power steering leak, you should:
Report the problem and make arrangements for another bus to use.
Go home because should not drive the vehicle this way.
Note the problem and continue your route.
None of the above.
Q
11
)
Retarders:
Allow you to disconnect the steering axle brakes.
Cannot be used on interstate highways.
Work better at very low rpms.
Can cause the vehicle to skid when the road is slippery.
Q
12
)
Which of these statements about downshifting for a long downhill grade is true?
The proper time to downshift is just after the vehicle starts down the hill.
It allows engine compression and friction to help the brakes slow the vehicle.
It should not be done with automatic transmissions.
It is necessary if the vehicle has retarders.
Q
13
)
To prevent shifting, there should be at least one tie down for every ____ feet of cargo.
10
15
18
20
Q
14
)
Stab braking:
Should never be used.
Involves locking the wheels.
Involves steady pressure on the brake pedal.
Should only be used on slick roads.
Q
15
)
Too much weight on the steering axle can cause the following:
Hard steering
Damage to the tires
Damage to the steering axle
All the above
Q
16
)
Which of these statements about accelerating is true?
You should feel a "jerking" motion if you are acceleration your vehicle properly.
Improper acceleration can cause mechanical damage.
When traction is poor‚ more power should be applied to the accelerator.
All the above are true.
Q
17
)
Which of these can cause the vehicle to skid?
Not enough weight on the front axle.
Over acceleration.
Turning too sharply.
All of the above.
Q
18
)
You do not have a hazardous materials endorsement on your commercial drivers license. You are asked to haul hazardous materials in a placarded vehicle. You should:
Refuse to haul the load.
Take the placards off the vehicle.
Haul the load‚ but file a report with the department of transportation after the trip.
Haul the load‚ but only to the nearest place where a driver with a hazardous materials endorsement can take over.
Q
19
)
What three things add up to total stopping distance?
Road conditions‚ reaction distance‚ and braking distance
Perceprion distance‚ reaction distance‚ and braking distance
Braking distance‚ controlling speed‚ and reaction distance.
None of the above
Q
20
)
If you go twice as fast, will your stopping distance increase by:
twice
three times
four times
five times
Minumum pass for the test is 75%
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Commercial Drivers Licence
Commercial Driver Licence Test 1
Commercial Driver Licence Test 2
Commercial Driver Licence Test 3
Commercial Driver Licence Test 4
Commercial Driver Licence Test 5
Commercial Driver Licence Test 6
Commercial Driver Licence Test 7
Commercial Driver Licence Test 8
