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Which of these statements about double clutching and shifting are true?
An alternative to using your tachometer.
While you’re driving, if your reaction time increases by _______, your chances of a crash will double.
It doesn’t take even one second.
In bad weather, car drivers are more likely to tailgate CMVs. If that happens to you, what should you do?
Give yourself some more room.
If you need to see down the sides and towards the rear of your trailer, what mirror should you use?
When backing and turning a large CMV, you should:
From the cab, your visibility rearward and to the right is limited.
Most trucks on the road today have a _______ electrical system.
With the engine and accessories off, what is the voltage of a fully charged car battery?
To fight a fire in the engine compartment, you should open the hood to target the base of the fire.
Don’t feed the flames.
In a four-stroke diesel engine, fuel is injected into the cylinder during the:
Air gets hotter as it’s compressed.
Which of these statements about a differential is FALSE?
Which side of a curved road is longer?
If you’re driving a tractor-trailer down a long, steep downgrade, you should:
Use gears more than brakes.
You should take a break from driving:
More frequently than those intervals.
Which of these is part of the steering system?
The other two are parts of the suspension.
Lumpers are persons usually employed by _________ to unload cargo from the truck at the receiver.
The carrier should be charged for their services.
How do you correct a drive-wheel acceleration skid on a slippery road?
Stop doing what caused the skid in the first place.
An en route inspection should include checking:
Check the safety-critical items.
You are cited for speeding in your personal car, and you pay the speeding ticket rather than go to court. You must report this to your employer within:
About a month.
When loading the cargo compartment of a vehicle, you should place heavy items on the bottom and the light items on top.
Bottom-heavy is safer than top-heavy.
Should your vehicle catch fire, pull into a service station because it has plenty of firefighting equipment.
It also has plenty of gasoline.
Each lane on an interstate highway is at least _______ wide.
Wider than 11 feet.
Driving under the influence of a drug that causes you to drive unsafely is:
Commercial drivers must be safe drivers.
Escape ramps can:
All of you can escape from a possible crash.
In which of these situations should you consider turning off your vehicle’s retarder?
Don’t lock the drive wheels.
In which of these situations should you flash your brake lights?
Use brake lights as a warning.
If a straight truck goes into a front-wheel skid, it will
The truck won’t go where the front wheels are pointing.
When you start to move up a hill from a stop:
Hold your CMV in place until you build up engine power.
Which of these is a good thing to remember about using mirrors?
It’s why you should use a helper whenever you back your vehicle.
Cargo that is not loaded or secured properly can:
Several considerations when loading cargo.
Which of the following vehicles will have the longest stopping distance?
“Bobtail” tractors: tractors without semitrailers.
Weight helps the wheels get traction.
If a tractor-trailer’s cargo is loaded too far to the rear, the result may be:
Too much weight in the rear means too little weight on the tractor.
When you’re driving in snowy weather, your tire tread depth should:
As long as it’s adequate.
Your brakes fail while you are traveling down a long, steep downgrade. What should you do?
Too late to downshift.
One gallon of diesel fuel weighs approximately:
Two hundred gallons of diesel fuel weighs about 1,400 pounds.
On the road, make sure the cargo is still safe.
Underinflated tires can cause a tire fire.
Which of the following does NOT cause a front-wheel skid?
Which of these does NOT involve front-wheel traction?
What is the advantage of pre-setting radio stations, pre-programming the GPS navigator, reading maps, and adjusting mirrors BEFORE the driver starts the trip?
NEVER take your eyes off the road for more than a split second!
As a driver’s blood alcohol concentration (BAC) rises, what happens?
More alcohol means more effects.
Which of these statements about certain types of cargo is true?
Shifting cargo are concerns.
Your brakes can get wet when you drive in heavy rain. Wet brakes can cause:
Bad in several ways.
When a DOT inspector pulls you over for a roadside inspection, which of these is the inspector likely to look at FIRST?
Are you conscientious about your job?
Which of these statements about using the steering wheel is true?
Two hands give you more control than one.
The key point in balancing cargo weight is to keep the load:
The proper weight on each axle.
You are driving a long vehicle that makes wide turns. You want to turn left from a two-way, four-lane street onto another two-way, four-lane street. What should you do?
Don’t turn too soon.
When transporting cargo, how often should you check the securement of the cargo?
At 50 mph, within the first and fourth hours.
What kinds of things should you inspect during a trip?
All the safety-critical items.
What is the Gross Vehicle Weight Rating (GVWR)?
The vehicle’s manufacturer knows how much weight the vehicle can take
Which of these is part of your vehicle’s suspension?
What do they do?
What is a power take-off (PTO)?
The power by which a dump truck dumps.
A vehicle is loaded with very little weight on the drive axles. What may happen?
The drive wheels could spin more easily.
What do the letters “GVW” stand for?
Just one vehicle and its cargo.
Which of the following is true about hours-of-service regulations?
The purpose is to help ensure that drivers stay awake and alert.
Which of these statements about drinking alcohol is true?
Alcohol is alcohol.
Which of these CDL tests can you fail and still be issued a CDL?
You must pass a test before you’ll be allowed to take the next one.
What are the two main kinds of jackknifing for a tractor-trailer?
Either unit can skid.
You should turn on your four-way flashers whenever you:
Warn passing drivers.
Which of these statements about double clutching is true?
Allow your engine to slow down.
Are you allowed to use a cell phone while you’re driving a CMV?
Keep your hands on the steering wheel at ALL TIMES while driving.
In the continental United States, the maximum width of any CMV operated on interstate highways is _______ unless a special permit is obtained.
Blocking is used to keep the cargo from shifting.
So is bracing.
Which of these statements is true about using emergency reflective triangles at night?
Make sure your stopped CMV is visible to approaching motorists.
At highway speeds, how far ahead should you be looking?
How far can you travel in 15 seconds?
When driving at night, you should:
What’s out there in the dark?
Why can a damaged exhaust system be hazardous to you?
The exhaust system helps remove toxic gases produced by the engine.
You’re driving a tractor-trailer on a slick road surface. Suddenly, excessive braking locks your drive wheels. Your tractor starts to skid, and the trailer starts to push the tractor sideways. You must act to correct the skid before the trailer swings out approximately:
You’d better act fast!
What are the three rules for using your turn signals?
Just like when you’re driving a car.
Which of these statements about drinking alcohol are true?
It’s a hazard that the government takes seriously.
Federal regulations do NOT require every CMV to have:
Might be a good idea on school buses, though.
To help prevent a rollover, you should do two things: keep the cargo as close to the floor as possible, and:
Low and slow.
In which of these situations can strong winds most affect your driving?
Little wind underground.