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Driving Test
New Jersey
New Jersey CDL Knowledge Test Class B 2
Answers
Q.1.
An air compressor governor will stop the compressor from pumping air once the air tanks have an air pressure level of:
125 psi.
100 psi.
150 psi.
80 psi.
Q.2.
Rims with welding repairs:
Are unsafe.
Are acceptable on tires in the rear of the vehicle.
Are acceptable only when carrying a heavy load.
Are acceptable in combination vehicles.
Q.3.
To obtain a passenger endorsement, applicants must be at least:
15 years old.
18 years old.
21 years old.
25 years old.
Q.4.
Too little weight on a steering axle can result in:
Poor traction.
Increased visibility.
Longer stopping distances.
Improved gas mileage.
Q.5.
To use the controlled braking method, you should:
Apply the brakes as hard as possible without locking the wheels.
Apply the brakes with about half-force.
Apply the brakes until the wheels lock.
Pump the brakes.
Q.6.
Which of the following is not a possible cause of a fire?
Under-inflated tires
Electrical system failures
Flammable cargo
Rolling down the window
Q.7.
If carrying a heavy load that is slowing you down, you should:
Drive in the left lane.
Drive in the right lane.
Drive on the shoulder.
Keep the vehicle in second gear.
Q.8.
Which of the following statements is correct?
Rims with a missing lug nut are acceptable if there are at least four other lug nuts on the rim.
A cracked lock ring is acceptable if the vehicle is being driven at speeds under 55 mph.
A missing clamp is dangerous and should be corrected.
Welded repairs are acceptable for wheels on rear axles.
Q.9.
What is black ice?
A thick layer of ice on the road
A thin layer of ice on the road
Ice that is black from debris on the road
Ice that is easily seen
Q.10.
In a convex mirror, objects seem ____ than they actually are.
Larger
Smaller
Closer
Q.11.
When stopping, the brake pedal:
Should be pressed down quickly.
Should be pressed down gradually.
Should be lifted up quickly.
Should be lifted up gradually.
Q.12.
How could you reduce your stress while driving?
Drink a caffeinated beverage
Talk on your cell phone
Gesture at other drivers
Listen to calming music
Q.13.
When alley docking, your vehicle should be parked:
With the front bumper on top of the front boundary line.
With the rear wheels over the rear boundary line.
Straight within the boundaries of the parking space.
At an angle within the boundaries of the parking space.
Q.14.
When driving, you should stop and take a break ____ to avoid becoming too tired.
Every half hour
Every hour
Every two hours
Every six hours
Q.15.
A bus mechanic must have:
An air brakes endorsement.
A passenger endorsement.
A cargo endorsement.
A tank endorsement.
Q.16.
How can you prevent drowsiness before a trip?
Get about four hours of sleep.
Plan stopping points into your trip in advance.
Drive alone.
Schedule long trips at night.
Q.17.
When traveling down a steep downgrade:
The air brakes should be used.
Shift into a lower gear, then use brakes to supplement the braking effect of the engine.
The vehicle should be continually downshifted in the place of using the brakes.
The vehicle should be driven on the shoulder.
Q.18.
A driver should always:
Stay in the right lane.
Have an emergency plan.
Stay in the left lane.
Drive faster than the posted speed limit.
Q.19.
If confronted by an aggressive driver, you should:
Make eye contact with the driver.
React to the driver's gestures.
Challenge the driver to a road race.
Ignore the driver, if possible.
Q.20.
When driving in fog, you should:
Use the windshield wipers.
Use the low beam lights.
Use the high beam lights.
Use the heater.
Q.21.
When backing, you should:
Move quickly to get out of the way of other drivers.
Try not to use your mirrors.
Start from any position.
Use a helper, if possible.
Q.22.
Over-the-counter medication:
Poses no safety risks to a driver.
Is not referenced by any laws regarding driving under the influence.
Cannot impair a driver.
Can affect a person’s ability to drive safely.
Q.23.
Which of the following is not a backing maneuver that you will be asked to perform during the basic control skills test?
Straight line backing
Offset back/right
Offset back/left
Blind offset
Q.24.
Rough acceleration:
Can damage a vehicle.
Is necessary to warm up parts of the engine.
Is encouraged to improve gas mileage.
Should be done on surfaces with poor traction.
Q.25.
When double clutching, if you remain in neutral for too long and can’t get your vehicle into the next gear, you should:
Stop the vehicle and start over.
Return to neutral, release the clutch, increase your speed, and try again.
Skip over your intended gear and move into the next gear.
Just keep the vehicle in neutral.
Q.26.
When starting a vehicle, the oil pressure should:
Slowly build up pressure over a few minutes.
Come up to a normal level within a few seconds.
Start high, then decrease quickly while the engine runs.
Q.27.
In an emergency situation, you should:
Always respond by stopping.
Not always respond by stopping.
Never respond by swerving.
Always turn on your flashers to warn other drivers.
Q.28.
After driving over a bridge during the driving skills test, you may be asked to recall.
The posted weight limit.
The color of a sign you just passed.
How many lanes of traffic there were on the bridge.
If there was a crosswalk on the bridge.
Q.29.
Hydraulic brakes can fail due to:
A loss of pressure.
Cold weather.
Driving uphill for long periods of time.
Grooves in the roadway.
Q.30.
Suspension system defects may include all of the following, except:
Cracked or broken spring hangers.
Missing or broken leaves.
Leaking shock absorbers.
Cracked lights.
Q.31.
Service brakes should:
Be tested once a month.
Only be tested by a trained mechanic.
Be tested before every trip.
Q.32.
Of the following, which is not a way to prevent drowsiness during a trip?
Getting an adequate amount of sleep before driving
Traveling with a passenger
Scheduling trips during hours when you would not normally be awake
Avoiding medications that may cause drowsiness
Q.33.
If the brake pads rub against the brake drums and create too much heat:
The brakes will stick.
The brakes will become extra sensitive.
The brakes may stop working.
The air compressor will kick on to cool the brakes.
Q.34.
Which part of the truck is the air compressor connected to?
The transmission
The engine
The radiator
The door latch
Q.35.
What can happen if one-fourth of the leaves in a leaf spring are missing when a vehicle is inspected?
The vehicle’s driver will be allowed to drive, but only at reduced speeds.
The vehicle will be put out-of-service until it is fixed.
The vehicle will be fine to drive since most of the spring is in place.
The driver will be asked to decrease the weight of the load.
Q.36.
What can happen if the air pressure gets too low in an air brake system?
The brakes may squeak.
The brakes may not work.
The brakes may be sluggish.
The brakes will be very sensitive.
Q.37.
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.38.
What do headers do?
Protect the driver during a crash
Provide a place for storage
Ensure that controls are accessible
Act as wind guards
Q.39.
To avoid becoming an aggressive driver, you should:
Plan trips without allocating extra time for traffic.
Tailgate.
Drive slowly in the left lane.
Not make gestures to other drivers.
Q.40.
Once cargo is secured:
You may complete an entire trip without checking it.
You can drive at least eight hours without checking it.
You should check it every three hours or 150 miles.
You should not check it.
Q.41.
Parts of an exhaust system should be:
Loose.
Leaking.
Fastened securely.
Cracked.
Q.42.
When approaching a curve during the on-road driving test, you must do all of the following, except:
Check traffic thoroughly in all directions.
Reduce your speed before entering the curve.
Keep your vehicle in its lane.
Steadily use the brakes throughout the curve.
Q.43.
A driver can have:
Two licenses, one for automobiles and one for trucks.
Only one license.
A license for each state in which they plan to drive.
An automobile license from one state and a CDL from another.
Q.44.
To warn drivers behind you that you may be slowing down, you should:
Sound your horn.
Tap your brakes several times.
Turn on your emergency flashers.
Turn off your lights.
Q.45.
If involved in a crash, basic procedures should include all of the following, except:
Protecting the area.
Notifying the proper authorities.
Caring for the injured.
Driving away without stopping.
Q.46.
A suspension system:
Has a weight capacity rating.
Uses pressurized water to support the load.
Can handle any weight load.
Has a minimum weight rating.
Q.47.
If your vehicle is hydroplaning, you should:
Speed up.
Not apply the brakes.
Put the vehicle in reverse.
Turn the steering wheel as hard as possible.
Q.48.
What should be done shortly after a tire has been changed?
The driver should stop to make sure the lug nuts are still tight after driving for a bit.
The driver should repair the brakes.
The driver should deflate the tire to 10 psi.
The driver should inflate the tire.
Q.49.
A burning tire should be:
Cooled with water.
Fanned with a blanket.
Cut up with an axe.
Covered with a tarp.
Q.50.
Which of the following is not acceptable emergency equipment?
Three red reflective triangles
Six fuses
Three liquid burning flares
Four yellow squares
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