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Driving Test
New Hampshire
New Hampshire CDL Knowledge Test Class A 1
Answers
Q.1.
What can happen if the exhaust system is not working properly?
Poisonous fumes may enter the cab.
Fumes may exit the rear of the muffler system.
Proper steering may be impossible.
Q.2.
What is a tire load?
The minimum safe weight a tire can carry
The maximum safe weight a tire can carry
The weight of a tire
The weight of the air within a fully inflated tire
Q.3.
When exiting your vehicle, you:
Must maintain four points of contact with the vehicle.
May turn to face the road before your exit is complete.
Must be facing away from the vehicle.
Must be facing the vehicle.
Q.4.
If convicted of a traffic violation, you must inform your employer:
Within three hours.
Within a week.
Within 30 days.
Q.5.
When a vehicle is started, warning lights and buzzers:
Should stay on for several minutes.
Should turn off within a few seconds.
Should stay on until manually turned off.
Should not come on.
Q.6.
Applying the brake pedal causes air pressure to activate an electric switch and:
Turn off the brake lights.
Turn on the low pressure warning light.
Turn on the brake lights.
Turn off the low pressure warning light.
Q.7.
When driving with covered cargo, a cover that flaps:
Is acceptable.
Allows air to keep the cargo cool.
Can tear loose.
Can attract birds.
Q.8.
With the exception of the straight line backing exercise, a driver may exit their vehicle and check its position during testing exercises up to:
One time.
Two times.
Three times.
Q.9.
After traveling under an overpass during the driving skills test, you may be asked to recall:
The posted clearance.
The posted weight limit.
The width of the opening.
If there was a shoulder near the roadway.
Q.10.
The suspension system:
Holds up the vehicle and its load.
Keeps the load the proper distance behind the driver’s compartment.
Maintains a safe distance between the vehicle and other vehicles.
Lightens the load for the tires.
Q.11.
The driver of a commercial motor vehicle:
Can use any cell phone while driving.
Can only use a hands-free mobile phone while driving.
Can only use a cell phone on rural roads.
Can use a cell phone at night.
Q.12.
To determine if a vehicle can handle a load, you should:
Know the vehicle’s suspension rating.
Know the tire rating for the front tires only.
Start driving and see if the vehicle is handling well.
Q.13.
When performing a pre-trip inspection, you should make sure that:
The pedal surface has been smoothed out.
The gas pedal sticks.
Nothing is obstrucing the pedals.
There is something underneath the brake pedal.
Q.14.
If driving so slowly that you could impede other drivers, you should:
Drive in the left lane.
Drive while using your four-way flashers.
Drive without using any lights.
Q.15.
When transporting cargo, drivers must check the securement of the cargo every:
10 miles.
150 miles.
500 miles.
Q.16.
The most common type of foundation brake used is the:
S-cam drum brake.
C-cam drum brake.
G-cam disc brake.
P-cam disc brake.
Q.17.
After a tire has been changed, the driver should stop after a short distance to:
Check the tightness of the lug nuts.
Lower the tire's air pressure.
See if rocks have gotten into the tread.
Q.18.
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.19.
How should you test the low pressure warning signal?
Engage and disable the parking brake.
Rapidly press and release the brake pedal.
Open the rear shut-off valves.
Uncouple and recouple all glad hands.
Q.20.
What can happen if a parking brake is used in very wet weather when temperatures are below freezing?
The brakes will squeak.
The brakes may freeze so the vehicle cannot move.
The brakes may suddenly release by themselves.
The brakes may explode.
Q.21.
If you remain in neutral for too long while switching gears:
The vehicle will speed up.
You may have trouble putting the vehicle into the next gear.
You may kill the engine.
Q.22.
What must be done if a load is over-length?
A warning flag must be placed on the end of the load.
The load may only be transported between 6 p.m. and 3 a.m.
The load must be shortened.
The emergency flashers must be activated.
Q.23.
What is axle weight?
The weight transmitted to the ground by one axle
The weight of one axle
How much weight an axle can hold
Q.24.
If you don't know if there is enough space for your vehicle to pass under a bridge, you should:
Speed up.
Swerve back and forth.
Slow down.
Drive on the shoulder.
Q.25.
Overloading a vehicle with cargo:
Usually has no effect on the vehicle.
Can impact the vehicle's steering and brake control.
Can impact the vehicle's electrical system.
Q.26.
If your coolant level is found to be low, you should:
Drain the radiator.
Add more coolant.
Add engine oil.
Tighten the belts.
Q.27.
On trucks and buses, where are ABS malfunction lamps located?
On the driver’s door
On the instrument panel
On the outside of the vehicle by the passenger’s door
Under the hood
Q.28.
A vehicle inspection is required:
By state and federal law.
For insurance purposes.
To get fuel.
Q.29.
After a tire has been changed, the driver should stop after a short distance to:
Check the tightness of the lug nuts.
Ensure that the tire has remained clean.
Inflate the new tire.
Q.30.
Once stopped as part of the stop/start maneuver, you should:
Apply the parking brake.
Keep the vehicle in first gear.
Be perpendicular to the curb.
Be blocking a driveway.
Q.31.
The minimum tread depth of all major grooves on tires that are not on the front of a CMV should be a minimum of:
1/32 of an inch.
2/32 of an inch.
4/32 of an inch.
3/4 of an inch.
Q.32.
Braking mechanisms are located inside:
The fifth wheel.
A brake drum.
The landing gear.
Q.33.
One way to prevent drowsiness while driving is to:
Drive alone.
Avoid regular exercise.
Get adequate sleep the night before the trip.
Q.34.
Where must placards be placed?
Only on the front of a vehicle
On the front, back and both sides of a vehicle
Only on the driver’s side of a vehicle
Only on the passenger's side of the vehicle
Q.35.
When conducting a vehicle inspection, you will need to identify all of the following, except:
The power steering belt.
The water pump belt.
The alternator belt.
The water compressor belt.
Q.36.
When driving, your mirrors should:
Not be used, as they are distracting.
Not be used unless there is traffic.
Be checked regularly.
Be checked regularly, but only if it is cloudy.
Q.37.
States verify that a CDL or CLP driver has only one such license by:
Making phone calls to surrounding states.
Using a computerized system that links all states.
Asking the driver.
Looking through the driver's wallet.
Q.38.
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.39.
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.40.
On any upgrade, gravity will:
Speed up your vehicle.
Slow down your vehicle.
Not impact the speed of your vehicle.
Cause your vehicle to swerve to the left.
Q.41.
Which of the following is not a part of an air brake system?
A service brake system
A parking brake system
An emergency brake system
An axle brake system
Q.42.
One way to prevent hydroplaning on wet road surfaces is to:
Ensure that your tires have good tread depth.
Under-inflate your tires.
Drive faster than usual.
Q.43.
When taking the on-road driving skills test, you will be evaluated on your gear usage. You should not:
Avoid grinding or clashing gears.
Select a gear that does not rev the engine.
Forget to shift through an intersection.
Shift while taking a turn.
Q.44.
If trying to correct a drive-wheel braking skid, the driver should:
Accelerate.
Countersteer.
Engage the emergency brake.
Q.45.
If driving a school bus, your four-way flashers should:
Be activated before crossing railroad tracks.
Never be used.
Only be used after crossing railroad tracks.
Only be used near railroad tracks if a train is approaching.
Q.46.
Which of the following is a good rule to follow when making a turn?
Honk your horn.
Use your arms to get the attention of other drivers.
Turn off your turn signal before entering the turn to avoid confusing other drivers.
Signal early.
Q.47.
When starting from a complete stop, a vehicle should:
Jerk forward.
Roll backwards.
Not move backwards.
Q.48.
Cargo with a high center of gravity:
Can make a vehicle likely to tip over.
Is encouraged in inclement weather.
Is required on some roads.
Q.49.
What is the minimum number of tie-downs required to secure a 10-foot piece of cargo?
One
Two
Three
Q.50.
What happens when a vehicle hydroplanes?
The tires lose contact with the road.
The trailer disengages from the tractor.
The vehicle becomes easier to control.
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