Final CDL Theory Exam

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test *

While driving you are looking ahead of your vehicle. How should you be looking? *

2 points

Looking to the right side of the roadway

Looking back and forth and near and far

Stare straight ahead at all times

Look straight ahead and glance in your mirrors every 45 to 60 seconds

If you drive on wet or slick roadways while using the cruise control, the cruise control can cause a loss of control of the vehicle: *

2 points

True

False

Most serious skids are a result of: *

2 points

Driving too fast for conditions

Improper loading of the vehicle

Turning too sharply

Winter driving conditions

When you are driving at night, you should: *

2 points

Dim your lights when you are within 300 feet of oncoming traffic

Watch the white line on the left side of the roadway

Adjust your vehicle speed to keep your stopping distance within your sight distance

Keep your high beams on at all times

When you are driving through a construction zone, you should: *

2 points

Speed up and hurry through them so you aren't in them any longer than necessary

Stop before entering, get in low gear and proceed through

Watch for uneven surfaces and narrow lanes

Reduce your speed only if construction workers are near the roadway

If you break down on a level , straight, four-lane, divided highway, where should you place the reflective warning triangles? *

2 points

One 10 feet from the rear of the vehicle, one approximately 100 feet from the rear of the vehicle, and another one about 100 feet in front of the vehicle.

One 10 feet from the rear of the vehicle, one approximately 100 feet from the rear of the vehicle and one approximately 200 feet from the rear of the vehicle.

One 50 feet from the rear of the vehicle, one approximately 100 feet from the rear of the vehicle, and one about 200 feet from the front of the vehicle.

Which of the following should you do when dealing with a tailgater? *

2 points

Increase your following distance

Avoid quick changes

Avoid tricks, such as flashing your brake lights

All of the above

When coupling to a trailer, you should do a tug test? *

2 points

True

False

Controlled braking is: *

2 points

Applying the brakes hard enough for the wheels to lock up

Applying firm brake pressure without locking up the wheels

Pressing the brakes hard enough to lock-up the wheels, then releasing and reapplying again

Which of the following is true? *

2 points

Steer tires must have at least 4/32-inch tread depth

1/32-inch tread depth is allowed on drive tires

1/32-inch tread depth is allowed on steer tires

Which of the following statements about backing a commercial vehicle to a dock is NOT true? *

2 points

Since you can't see behind you, you should back quickly until you bump the dock

Use the mirrors on both sides of your vehicle

You should back with your four-way flashers on

Alcohol use impairs: *

2 points

Muscle coordination

Reaction time

Depth perception

All of the above

What is hydroplaning? *

2 points

An emergency situation created when an aircraft must make an emergency landing on a highway

Excessive heat built up in the radiator

Something that only occurs when a vehicle is stopped

Your vehicle's tires lose contact with a wet road and have little or no traction

Which of the following conditions may produce a skid? *

2 points

Driving too fast for conditions

Over braking

Over steering

All of the above

If a state or federal inspector determines that your vehicle is unsafe, it will be placed out of service: *

2 points

For 24 hours

For 48 hours

Until you contact your carrier and make arrangements for a repair

Until it is fixed

The braking effect of the engine is greatest when: *

2 points

The truck is near the governed RPMS and the transmission is in the highest gear

The truck is near the governed RPMS and the transmission is in the lowest gear

Convex (curved) mirrors will: *

2 points

Make objects appear to be larger than they really are

Show a narrower area than flat mirrors

Show a wider area than flat mirrors

Before entering a curve you should: *

2 points

Slow down to a safe speed

Increase your speed to increase vehicle stability

Come to a complete stop and proceed as slowly as possible

Which of the following happens when a drive tire blows at highway speed? *

2 points

You will experience an immediate and dramatic drop in speed

You will feel a vibration

You will hear a loud popping sound

All of the above

What is the purpose of pre and post-trip inspections? *

2 points

To aid you in being cited by a law enforcement official

To see if the vehicle has the correct weight

To help you find problems that could lead to a breakdown or accident

Which of the following statements is true? *

2 points

Hazards are easier to see at night than during the day

Hazards are easier to see during the day than at night

Most drivers are more alert at night than during the day

Aggressive driving is: *

2 points

Operating in a selfish, bold, or pushy manner without regard for the rights or safety of others

Acceptable during rush hour in metropolitan areas

Operating in a cautious and courteous manner

Which of the following statements about cases of vehicle fires is true? *

2 points

Carrying a properly charged and rated fire extinguisher will help to prevent fires

Under-inflated or flat tires will NOT cause a vehicle fire

Overheating your brakes will not cause a vehicle fire

Can federal inspectors inspect your truck? *

2 points

Yes, and they can place you out of service

Yes, but they have no authority to place you out of service

Yes, but only at a port-of-entry

Alcohol use can? *

2 points

Help you clearly see hazards

Reduce coordination

Enhance your driving skills

When travelling down a long downgrade, you should always: *

2 points

Apply trailer brakes to reduce speed or maintain speed

Use the braking effect of the engine brake

All of the above

When changing lanes, you should: *

2 points

Signal your intentions to other traffic

Watch for other traffic to change lanes

Proceed only when it is safe to do so

All of the above

If a driver finds an unsafe defect during an inspection it is okay to operate a CMV if their manager tells them to do so. *

2 points

True

False

A CMV does NOT have to proceed into an open weigh station if they are not loaded? *

2 points

True

False

A drivers hours of service are restricted to a maximum of: *

2 points

80 hours in 7 days

70 hours in 5 days

70 hours in 8 days

A driver has up to ____ hours to take a 30-minute break during their on-duty period. *

2 points

8 hours

4 hours

14 hours

When approaching an intersection with a railroad crossing and it has a red light in the direction you are going, if there is not enough room for your vehicle to stop without being on the tracks you should: *

2 points

Stop a safe distance before your vehicle gets to the tracks

Run the red light

Stop on the tracks and roll your window down to listen for a potential train

A driver is required to pass a DOT physical examination at a maximum of every: *

2 points

6 months

12 months

24 months

Diesel, oil and coolant leaks/spills are hazardous chemicals that must be reported immediately. *

2 points

True

Fales

Extra fuses and emergency triangles are required safety equipment before operating a CMV. *

2 points

True

False

You will be placed out of service for 24 hours if your Blood Alcohol Concentration (BAC) is: *

2 points

Any detectable amount

At least .02%

At least .04%

When operating a CMV you should be scanning how far ahead of your vehicle? *

2 points

3 truck lengths

The vehicle in front of you

12 to 15 seconds

Perception distance, reaction distance and braking distance are the measurement of your total stopping distance? *

2 points

True

False

What should you watch for in construction zones? *

2 points

Equipment entering the roadway

Narrow lanes

Sudden stops

All of the above

Which of these is true about notifying authorities after an accident occurs? *

2 points

An exact location is not necessary, just identify the road and the vehicles involved

You should notify authorities about an accident before doing anything else

if you have a CB radio use it to notify police before exiting your vehicle

Extra care is needed to keep your vehicle centered in your lane because commercial vehicles: *

2 points

Tend to sway from side to side

Are often wider than other vehicles

Require a lot of room to change lanes

Air lines on a combination vehicle are often colored to keep them from getting mixed up. The emergency line is ______ and the service line is ______ . *

2 points

Red; Blue

Black; Yellow

Blue; Red

You are about to back your tractor under a semi-trailer. The trailer is at the right height when the: *

2 points

Trailer landing gear is fully extended

End of the kingpin is even with the top of the fifth wheel

Trailer will be lifted slightly when the tractor backs under it

How much space should be between the upper and lower fifth wheel after coupling? *

2 points

At least half of an inch

None

Just enough to see light through it

It takes less distance to come to a stop with an empty trailer. *

2 points

True

False

In a double left turn lane, a tractor trailer should always begin and end the turn from the outside lane. *

2 points

True

False

If you swing wide to the left before turning right another vehicle may try to pass you on the right. *

2 points

True

False

When driving at night you should dim your bright lights within ______ of an oncoming vehicle. *

2 points

300 feet

500 feet

If you can see headlights

When driving through fog you should: *

2 points

Slow down and use your high beam headlights

Slow down and use your low beam headlights

Pull off to stop on the shoulder

Wet brakes can cause your CMV to: *

2 points

Brake less effectively, brake unevenly and possibly jack knife.

Overheat the brake pads

Cause the brakes to lock-up

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