MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Driving Test
Oregon
Oregon CDL Combination 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Q.1
Submit
An air supply control lever should be in its "normal" position when you are:
Changing a tire.
Applying the trailer emergency brakes.
Pulling a trailer.
Using your spring brakes.
Q.2
Submit
Older trailers are not equipped with spring brakes. This means that if the air supply for a vehicle's air braking system leaks away:
The trailer will stop normally.
The trailer will not have brakes.
The trailer will speed up.
Q.3
Submit
In a double or triple combination:
Cargo weight must be evenly distributed between all trailers.
The heaviest trailer should be positioned directly behind the cab.
The heaviest trailer should be positioned in the rear.
The weight of the trailers does not matter.
Q.4
Submit
To prevent a rollover, cargo should be:
Placed near the front of a trailer.
Placed near the rear of a trailer.
Spread out on a trailer.
Loaded with most weight on the driver’s side of a trailer.
Q.5
Submit
The trailer hand valve should:
Be used for parking.
Be used only to test the trailer brakes.
Be used together with the brake pedal.
Be used on slippery surfaces.
Q.6
Submit
Watching the road ahead:
Is more dangerous than only watching your mirrors.
Does not help you drive more safely.
Can help you avoid the need for sudden lane changes.
Q.7
Submit
What is a bobtail tractor?
A tractor without a semi-trailer
A tractor with two semi-trailers
A tractor that travels faster than the speed limit
Q.8
Submit
The trailer hand valve should be used:
Regularly to activate the trailer brakes in all driving conditions.
Only to test the trailer brakes.
Only in inclement weather when the trailer may skid.
Only if the trailer is carrying a load.
Q.9
Submit
If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can:
Check for wheel speed sensors coming from the back of the brakes.
Look for a red light on the front right corner of the converter dolly.
Pump the air brakes to activate the ABS.
Assume the vehicle has ABS.
Q.10
Submit
When a vehicle goes around a corner, the rear wheels:
Follow the same path as the front wheels.
Follow a different path than the front wheels.
Should not be a concern to the driver.
Q.11
Submit
To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:
Pump the air brakes to activate the ABS.
Look into the back of the fifth wheel.
Check for wheel speed sensors coming from the back of the brakes.
Q.12
Submit
If a load is placed on one side of a trailer, the trailer:
May lean, and could result in a rollover.
May add extra support during turns.
Have improved braking.
Have improved steering.
Q.13
Submit
What can the “crack-the-whip” effect do?
Turn over trailers.
Make loud noises.
Make trucks accelerate.
Make trucks decelerate.
Q.14
Submit
When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
Level with
Slightly higher than
Slightly lower than
Q.15
Submit
When braking while pulling a trailer equipped with anti-lock brakes, you should:
Pump the brakes.
Use extra braking force to ensure the brakes kick in.
Brake as you would without anti-lock brakes.
Q.16
Submit
Rearward amplification refers to:
The amount of noise projected to the rear of a vehicle.
The cause of the "crack-the-whip" effect.
The number of trailers that can be pulled by a tractor.
Q.17
Submit
In a double or triple combination, the ____ trailer should be directly behind the cab.
Lightest
Heaviest
Smallest
Q.18
Submit
Bobtail tractors are ____ to stop than tractors attached to full semitrailers.
Quicker
Easier
More difficult
Q.19
Submit
Before a drive, ensure that air flows to all trailers by:
Opening the rear shut-off valves and listening for escaping air.
Closing the rear shut-off valves and listening for escaping air.
Disconnecting air supply lines and listening for escaping air.
Rolling each trailer down a hill and testing the brakes.
Q.20
Submit
A trolley valve:
Should be used while driving.
Should only be used to test trailer brakes.
Should be used when parking uphill.
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page