MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Driving Test
South Dakota
South Dakota CDL Knowledge Test Class B 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Q.1
Submit
If stopped on the side of the road, how should you alert other motorists?
Rely on your taillights.
Sound your horn.
Use your four-way emergency flashers.
Keep the driver's side door open.
Q.2
Submit
When inspecting your tires, you do not want to find:
Tire tread that is 4/32 of an inch deep.
Valve stems without damage.
Mismatched tire sizes.
Q.3
Submit
When approaching a railroad crossing:
You will likely be able to outdrive a train.
You should not rely only on warning signals.
You should roll a window down to listen for an approaching train.
You should only worry about the track closest to your vehicle.
Q.4
Submit
When loading a trailer, weight should be:
Placed as high as possible.
Placed as low as possible.
Placed as far to the left as possible.
Q.5
Submit
If you’re unfamiliar with the area in which you must back up, you should:
Get out of your vehicle and walk around the area to become more familiar with it.
Not use both mirrors, as that can cause too much distraction.
Wait for someone else to back up in the area so you see how they do it.
Turn on your high beam headlights.
Q.6
Submit
An air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately ____ to come to a complete stop.
100 feet
250 feet
300 feet
450 feet
Q.7
Submit
When transporting cargo, drivers must check the securement of the cargo every:
10 miles.
150 miles.
500 miles.
Q.8
Submit
Stopping distance can be affected by:
Speed.
Number of passengers.
Time of day.
Traffic.
Q.9
Submit
What is Gross Vehicle Weight (GVW)?
The total weight of a vehicle and its cargo
The total weight of a vehicle before cargo
The total weight of cargo
The maximum weight allowed to be transported by a vehicle
Q.10
Submit
The rods in S-cam brakes move the slack adjusters when air pressure is added to the brake chambers. This air pressure is added to the chambers when the driver:
Presses the brake pedal.
Uses the emergency brake.
Uses the trailer hand valve.
Q.11
Submit
As part of a pre-trip inspection, you should look for all of the following, except:
Tires with too much air pressure.
Tires with too much wear.
Tires made by different manufacturers.
Q.12
Submit
When stopping a manual transmission vehicle, what should you do when the engine is close to idle?
Push in the clutch.
Push out the clutch.
Shift into neutral.
Shut off the vehicle.
Q.13
Submit
Skids caused by acceleration can usually be resolved by:
Accelerating.
Removing your foot from the accelerator.
Coming to a complete stop.
Q.14
Submit
What should happen if the air pressure in the air brake system tanks falls below 60 psi?
A warning light should come on.
Lights should flash on the outside of the vehicle.
A message should appear on the control panel.
The vehicle should stop.
Q.15
Submit
When should mirror adjustments be made?
Before starting a trip
While driving
When a vehicle is stopped at a traffic signal
Q.16
Submit
When backing up, follow a turning trailer by:
Changing nothing. The vehicle will naturally follow the trailer.
Changing the direction of the steering wheel.
Turning the steering wheel even harder in the direction that it is already turning.
Q.17
Submit
Blocking a load:
Is dangerous and should never be done.
Is essential to preventing cargo from moving in transit.
Is only done with liquid loads.
Q.18
Submit
When taking a driving test:
You must supply the same type of vehicle for which you will require a CDL.
You may supply any type of vehicle, even if it is not the type of vehicle for which you will be using with the CDL.
The testing station will supply the vehicle.
Q.19
Submit
Before a vehicle with dual air brakes is driven, pressure of at least ____ should be built up in both braking systems.
10 psi
25 psi
50 psi
100 psi
Q.20
Submit
In cold weather, an alcohol evaporator should be checked and filled:
Once a week.
Every day.
Every hour.
Once a month.
Q.21
Submit
Braking mechanisms are located inside:
The fifth wheel.
A brake drum.
The landing gear.
Q.22
Submit
If pulled off to the side of the road, you should:
Allow your taillights to alert other motorists.
Turn on your emergency flashers to warn other motorists.
Keep your lights off to avoid distracting other motorists.
Keep your door open to warn other motorists.
Q.23
Submit
When looking under your vehicle's hood during a pre-trip inspection, you should:
Use the parking brakes and/or chock blocks.
Leave the vehicle in a low gear.
Remove the battery.
Disconnect the radiator.
Q.24
Submit
What happens if you don’t pass the air brakes endorsement test?
You won’t be permitted to drive a vehicle with air brakes.
Your CDL will include an air brake endorsement marked with an asterisk.
Your CDL will be invalid.
Q.25
Submit
The air entering air storage tanks may contain:
Water and compressor oil.
Frost.
Gravel.
Antifreeze.
Q.26
Submit
To check the automatic transmission fluid level in some vehicles, you will have to:
Park your vehicle uphill.
Park your vehicle downhill.
Leave the vehicle running.
Q.27
Submit
When starting an engine as part of a pre-trip inspection, the driver should:
Listen for unusual noises.
Place the engine in first gear.
Turn on the heater.
Q.28
Submit
When leaving your vehicle unattended:
The parking brake should be used.
The parking brake only needs to be used if the vehicle is parked on a slope.
The parking brake should not be used, as it can damage the tires.
Q.29
Submit
When entering a curve, you should:
Get off the roadway.
Use the shoulder.
Downshift.
Take the vehicle out of gear.
Q.30
Submit
When completing an offset back/left parking maneuver, a driver should:
Pull straight forward, then back to the left.
Drive straight back, then pull forward to the left.
Pull straight forward, then drive straight back.
Q.31
Submit
When applying for a hazardous materials endorsement, being found guilty of which of the following is a disqualifying offense?
Arson
Speeding
Littering
Q.32
Submit
A driver may have:
An automobile license from one state and a CDL from another.
Only one license.
Two licenses: one for automobiles and one for trucks.
Q.33
Submit
Most heavy vehicles require ____ to change gears.
Double clutching
Double shifting
Triple clutching
Triple shifting
Q.34
Submit
When inspecting the engine compartment, you should not:
Check the engine oil level.
Check the coolant level in the radiator.
Drain the brake fluid.
Check the windshield washer fluid level.
Q.35
Submit
When alley docking, you should first:
Position your vehicle directly in front of the alley.
Back up directly in front of the alley.
Stop parallel to the outer boundary of the alley.
Q.36
Submit
In an emergency, if you must leave the roadway to drive on the shoulder, you should:
Brake as hard as possible.
Steer so all wheels are on the shoulder.
Stop safely before returning to the road, if possible.
Stay on the shoulder until the next exit.
Q.37
Submit
If you are being tailgated, you should:
Drive on the shoulder.
Pull off the roadway.
Drive faster.
Allow the vehicle to pass.
Q.38
Submit
If there is a fire in your vehicle, you should not:
Park in an area away from buildings, trees, brush, and other vehicles.
Pull into a service station.
Notify emergency services of your problem and your location.
Q.39
Submit
Using an Anti-Lock Braking System (ABS):
Is required in some states.
Shortens brake response time.
Provides additional control.
Q.40
Submit
If you’re feeling tired before a drive, you should:
Drink coffee.
Take caffeine pills.
Not drive.
Drive as fast as possible so you get to the destination quickly.
Q.41
Submit
If trying to correct a drive-wheel braking skid, the driver should:
Accelerate.
Countersteer.
Engage the emergency brake.
Q.42
Submit
If you must back up, it is helpful to:
Drive as fast as possible to complete the maneuver quickly.
First walk the line of travel to look for obstacles.
Use only the passenger side mirror.
Q.43
Submit
Steering wheel play should be no more than:
10 degrees.
50 degrees.
75 degrees.
Q.44
Submit
Why are roads particularly slippery right after it begins to rain?
Water mixes with grease and oil on the road.
Roads are naturally slippery.
Gravel gets washed to the middle of the lane.
Some tires are not designed for rain.
Q.45
Submit
A wig wag is:
A low pressure warning device.
A tube that carries air to the brakes.
A type of air brake system.
Q.46
Submit
If you must drive very slowly, you should:
Warn other motorists.
Drive on the shoulder.
Stay in the left lane.
Sound your horn.
Q.47
Submit
If being tailgated while driving a large vehicle, you should do all of the following, except:
Reduce your speed gradually.
Increase your following distance.
Speed up.
Try to let the other vehicle pass.
Q.48
Submit
While driving:
A driver does not need to inform others of their intentions.
A driver should only use turn signals if a vehicle is next to them.
A driver should not use a turn signal if their lane change will be obvious.
A driver should always use turn signals to inform others of their intentions.
Q.49
Submit
The front of an enclosed trailer should:
Be swept clean.
Contain rags.
Not be used for cargo.
Be free of cracks.
Q.50
Submit
When driving in hot weather:
The air pressure in tires will decrease.
The engine oil can help to keep the engine cool.
Antifreeze is not important.
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
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
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