GEN KNOWL

When starting an engine, oil pressure should come up to a normal level:

Within seconds

How can you check for a leak in hydraulic brakes?

Pump the brake pedal 3x. Then hold the brake pedal for 5 seconds. If the pedal moves, there may be a problem

Cargo being transported should be checked:

Before the trip and again within the first 50 miles.

What must be done if a load extends 4 or more ft beyond the rear of the truck?

A red/orange flag must be placed at the end of the load

How many hours of sleep does an adult need to maintain alertness?

7-8 hours

A tread depth of ___ should be in every major groove of a front tire.

4/32 of an inch

A tread depth of _____ should be in every major groove of all tires, excluding the front.

2/32 of an inch

If ¼ of the leaves in a leaf spring are missing when a vehicle is inspected:

The vehicle will be put out of service until it’s fixed.

A broken exhaust system:

Can allow poisonous fumes to enter the cabin

A pretrip inspection:

Should be domed the same each time

When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle for:

Any fresh fluids on the ground

A pretrip inspection should include:

Checking the engine oil level.

when starting the engine of a truck & trailer, you can tell that your vehicle’s ABS system isn’t working if:

The yellow light on the left rear of the trailer stays on

When stopping a manual transmission vehicle, you should:

Push the clutch in when the engine is close to idle.

When backing with a trailer, you should begin by:

Turning the steering wheel the opposite direction of the turn

When backing up, follow a turning trailer by:

Changing the direction of the steeering wheel

If you remain in neutral too long while switching gears:

You may have trouble putting the vehicle into the next gear

Scan the road ____ ahead of your vehicle.

12-15 seconds

You should check and adjust your mirrors:

Before driving

When adjusting your mirrors before a trip:

part of your vehicle should be visible in the mirrors

To warn other drivers that you will be slowing down:

Tap your brake pedal a few times to illuminate the brake lights.

When it’s difficult to see and you are traveling near other drivers, you should:

Use low beam lights

When driving on a wet road, you should reduce your speed by:

About 1/3

When driving on packed snow, you should reduce your speed by:

½ or more

You shoukd maintain at least ____ of following distance per every 10ft of your vehicle when you are traveling more slowly than 40 mph.

1 second.

Slow down & be careful:

When approaching a work zone

In cool weather, as the temp begins to rise & ice begins to melt:

The road will become even more slippery.

When you are near a railroad crossing:

You may not hear a train, even if one is approaching

When approaching a railroad crossing, you should:

Not rely solely on warning signals to indicate if a train is approaching

To avoid a hazard you:

may need to swerve your vehicle out of the way

If a tire fails, you should:

stay off the brakes

After an accident, flares should be used with caution because:

there may be fuel spilled on the ground that can catch fire

if you have an engine fire, you should:

turn off the engine as soon as possible.

when trying to put out an electrical fire, you should:

use a B:C extinguisher

You may not consume alcohol within ____ of going on duty.

4 hours

If a vehicle is carrying hazardous cargo, placards must be placed:

on the front, rear, and sides of the vehicle

When loading cargo, it’s important to:

know the weight capacity rating of the suspension system.

cargo should be covered:

to protect people from spillage

laws about securing loads and regulating CMV weights may vary from state to state. during interstate travel:

the law of the state the vehicle is in takes precedence

when loading cargo, weight should be placed:

as low as possible

what is the gross vehicle weight rating (GVWR)?

the maximum permitted total weight of a vehicle and it’s cargo

you should use at least _____ to secure cargo on a flatbed trailer.

2 tie-downs

Bracing is used to:

prevent items from moving in a trailer

An item that is 40ft long placed in a flatbed trailer should be secured by at least:

4 tie-downs

If transporting livestock, drivers should be concerned about:

the vehicle’s weight shifting as the animals move

a truck may need to be under the legal maximum weight limit when being driven:

on a mountainous road

too little weight on a steering axle could result in:

poor traction

when carrying a sealed load, the driver:

should ensure the weight of the cargo doesn’t violate weight limits

while still below the legal limit, a driver operating a CMV with a detectable amount of alcohol in their system will:

result in an out-of-service order for 24 hours.

if you are disqualified from driving:

you must notify your employer

if asked by law enforcement to take a test to determine your blood alcohol concentration:

you will lose your CDL if you refuse

if convicted of a traffic violation, you must inform your employer:

within 30 days

during the steering box portion of the vehicle inspection test, you should not:

assume all cotter pins are present

when performing a pre-trip inspection and looking into the fifth wheel gap, you should:

make sure the locking jaws fully enclose around the kingpin

move over laws require:

all vehicles to vacate the lane closest to an emergency vehicle that is stopped with flashing lights

if unable to tell if the road is becoming icy and slippery, a driver:

may open their window and feel the front side mirror for ice

a stopped bus:

is a concern, whether passengers are visible or not

headlights:

should be on the high-beam setting whenever possible

when making a turn, when should your turn signal be cancelled?

after the turn is completed

the maximum amount of play that is safe in a 20-inch steering wheel is:

>2 inches

when conducting a pre-drive inspection:

the previous inspection report should be reviewed, if applicable

in low temperatures, bridges usually freeze:

before other parts of the roadway

if a vehicle is equipped with power steering, the hoses should be checked:

for leaks

you will often have to drive your vehicle under bridges and overpasses. if approaching such an opening, you should:

assume the posted clearance is inaccurate

parked delivery trucks may be hazardous because:

people are often in a hurry when exiting such trucks and may not look for other vehicles

when a vehicle is started, warning lights and buzzers:

should turn off within a few seconds

after 2 violations of any state law regarding hand-held moblile phone use:

your CDL will be disqualified

if driving through flowing water or a large puddle, you should:

gently apply the brakes

in very hot weather, tires should be checked regularly because:

air pressure may increase with temperature

if you must stop on the side of a highway, how far behind your vehicle should warning devices be placed?

10, 100, 200 ft

Dual tires should:

not come into contact with one another

most heavy vehicles require _______ to change gears.

double clutching

the two indicators that determine when you should upshift are:

engine speed and road speed

leaking shock absorbers:

indicate a potentially dangerous defect

if you need to travel downhill, you should switch into a lower gear:

before you start moving downhill

for safety purposes, when should you turn off a retarder?

when the roadways are slippery

when checking your vehicle’s lights before driving:

the engine should be turned off

how does doubling your speed from 20 mph to 40 mph affect your vehicle’s braking distance?

it quadruples

when using your mirrors, you should frequently look at your tires to:

watch for tire fires

you must put out emergency warning devices within ____ of stopping on the side of the road.

10 minutes

when driving a vehicle equipped with an ABS, you should:

brake as you would in a vehicle without ABS

if an approaching driver is using their high-beam headlights, you should:

look to the right side of your lane until they pass

what’s the purpose of a vehicle inspection report?

it tells the motor carrier about problems that may need to be fixed

the radiator cap:

should not be removed when coolant is hot