1 / 50
A. Scream for help.
B. Stay in your vehicle.
C. Get out of your vehicle and away from the tracks.
If for any reason you get stuck on the tracks, get out of the vehicle and away from the tracks. Check signposts or signal housing at the crossing for emergency notification information. Call 911 and give the location of the crossing using all identifiable landmarks, especially the DOT number, if posted.
2 / 50
A. 2/32 inch
B. 3/32 inch
C. 4/32 inch
You must have at least 4/32-inch tread depth in every major groove on front tires and at least 2/32-inch on other tires
3 / 50
A. 1/4 mile
B. 25 feet
C. 1 mile
Most good drivers look at least 12 to 15 seconds ahead. That means looking ahead the distance you will travel in 12 to 15 seconds. At lower speeds, that's about one block. At highway speeds it's about a quarter of a mile.
4 / 50
A. gross combination weight.
B. gross axle weight.
C. gross vehicle weight.
Gross Combination Weight (GCW) is the total weight of a powered unit, plus trailer(s), plus the cargo.
5 / 50
A. the eyes see a hazard to the time the foot pushes the brake pedal.
B. the eyes see a hazard to the time the brain knows that it is a hazard.
C. the brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal.
¾ second to 1 second.
6 / 50
A. wait until you are sure the car isn't in your blind spot.
B. ease into the other lane slowly so the other car can get out of the way.
C. assume the car left the roadway and change lanes as usual.
Before you change lanes, you must first make sure that no vehicles are hiding in your blind spots.
7 / 50
A. should never be used.
B. involves releasing the brakes only after the wheels lock up.
C. involves steady pressure on the brake pedal without locking the wheels.
With the stab braking method, you apply your brakes all the way and release brakes when wheels lock up.
8 / 50
A. Yes, and they might place it out of service.
B. No.
C. Yes, but they will not place it out of service.
Federal and state inspectors also may inspect your vehicles. If they judge the vehicle to be unsafe, they will put it "out of service" until it is fixed.
9 / 50
A. take a short break once or twice during the trip when you are feeling tired or drowsy.
B. stop often and take short breaks before you feel really drowsy or tired.
C. avoid short breaks but keep the window open.
Short breaks can keep you alert. But the time to take them is before you feel really drowsy or tired. Stop often. Walk around and inspect your vehicle. It may help to do some physical exercises.
10 / 50
A. shift into a lower gear.
B. exit the roadway until traffic is lighter.
C. drive on the shoulder so that others can pass you easily.
Heavy vehicles are often tailgated when they can't keep up with the speed of traffic. This often happens when you're going uphill. If a heavy load is slowing you down, stay in the right lane if you can. Going uphill, you should not pass another slow vehicle unless you can get around quickly and safely.
11 / 50
A. 1
B. 3
C. 2
No matter how small the cargo, it should have at least two tie-downs.
12 / 50
A. a yellow malfunction lamp on the left side of the dolly.
B. a yellow malfunction lamp on the right side of the dolly.
C. a yellow malfunction lamp in the center of the dolly.
Converter dollies built on or after March 1, 1998, are required to have antilock brakes. These dollies will have a yellow lamp on the left side of the dolly.
13 / 50
A. For all of the above reasons
B. Because you have blind spots
C. Because you are providing a job for someone else
D. Because people feel more comfortable when you do
There are blind spots you can't see. That's why a helper is important. The helper should stand near the back of your vehicle where you can see the helper.
14 / 50
A. More than 30 seconds
B. More than 15 seconds
C. 10 seconds
D. 14 seconds
It takes a typical tractor-trailer unit at least 14 seconds to clear a single track and more than 15 seconds to clear a double track.
15 / 50
A. A road user or road condition that presents a possible danger
B. Something you must stop for
C. Something you can easily avoid
D. Something you can safely ignore
A hazard is any road condition or other road user (driver, bicyclist, pedestrian) that is a possible danger.
16 / 50
A. avoid medications that cause drowsiness.
B. –9 hours of sleep beforehand.
C. schedule your trips for the daytime hours.
D. do all of the above.
Preventing drowsiness before a trip: Get adequate sleep (8 to 9 hours), prepare route, , schedule trips for the hours you are normally awake, drive with a passenger, avoid medications that cause drowsiness.
17 / 50
A. 100 feet, 200 feet, and 300 feet toward approaching traffic
B. 10 feet, 100 feet, and 200 feet toward approaching traffic
C. 50 feet, 100 feet, and 150 feet toward approaching traffic
D. 20 feet, 50 feet, and 100 feet toward approaching traffic
If you must stop on or by a one-way or divided highway, place warning devices 10 feet, 100 feet, and 200 feet toward the approaching traffic.
18 / 50
A. will cool them down. You will be able to continue your trip sooner.
B. is a good idea because the extra pressure will be relieved.
C. is a bad idea because when the tires cool off, the pressure will be too low.
D. will have no effect at all.
Air pressure increases with temperature. Do not let air out or the pressure will be too low when the tires cool off.
19 / 50
A. 4 seconds
B. 6 seconds
C. 3 seconds
D. 7 seconds
One good rule says you need at least one second for each 10 feet of vehicle length at speeds below 40 mph. At greater speeds, you must add 1 second for safety.
20 / 50
A. Tires of mismatched sizes should not be used on the same vehicle
B. Dual tires should be touching each other
C. Radial and bias-ply tires can be used together on the same vehicle
Tire problems include: too much or too little air pressure, bad wear, at least 4/32-inch tread depth on front tires, 2/32 inch on all other tires, no fabric should show through the tread or sidewall, cuts or other damage, tread separation, dual tires that come in contact with each other or parts of the vehicle, mismatched sizes, radial and bias-ply tires used together.
21 / 50
A. Use your high beams until you completely pass
B. Tap the electrical horn first
C. Signal early
Whenever you are about to pass a vehicle, pedestrian, or bicyclist, assume they don't see you. They could suddenly move in front of you. When it is legal, tap the horn lightly or, at night, flash your lights from low to high beam and back.
22 / 50
A. Separate the load
B. No answers are correct
C. Control the load surge
D. To keep expansion of load down
Baffled liquid tanks have bulkheads in them with holes that let the liquid flow through. The baffles help to control the forward and backward liquid surge. Side-to-side surge can still occur.
23 / 50
A. A half-hour break for coffee will do more to keep you alert that a half-hour nap
B. If you must stop to take a nap, it should be at a truck stop or other public area never on the side of the road
C. The only thing that can cure fatigue is sleep
D. There are drugs that can overcome being tired
If you are drowsy, the only safe cure is to get off the road and get some sleep. If you don't, you risk your life and the lives of others.
24 / 50
A. Whether all vehicle lights are working and are clean
B. Cargo securement
C. Wiper blades
D. All answers are correct
During the pre-trip inspection the lights and covers need to be working and clean, wiper blades in good condition, and the cargo needs to be secured.
25 / 50
A. Can be caused by the brakes becoming too hot
B. Only occurs with drum brakes
C. Can be corrected by letting up on the brakes for 1-2 seconds and then reapply them
Brake fade results from excessive heat causing chemical changes in the brake lining, which reduce friction, and also causing expansion of the brake drums
26 / 50
A. Can cause the vehicle to skid when the road is slippery
B. Cannot be used on interstate highways
C. Allow you to disconnect the steering axle brakes
D. ’s
When your drive wheels have poor traction, the retarder may cause them to skid. Therefore, you should turn the retarder off whenever the road is wet, icy, or snow covered.
27 / 50
A. Head for the nearest service station
B. Get the vehicle off the road and stop in an open area
C. Immediately open the door and jump out
The first step is to get the vehicle off the road and stop. In doing so: park in an open area, away from buildings, trees, brush, other vehicles, or anything that might catch fire. Don't pull into a service station!
28 / 50
A. Steer to the right
B. Steer into the oncoming lanes
C. Steer into the left lane
If the shoulder is clear, going right may be best. No one is likely to be driving on the shoulder, but someone may be passing you on the left. You will know if you have been using your mirrors. If you are blocked on both sides, a move to the right may be best. At least you won't force anyone into an opposing traffic lane and a possible head-on collision.
29 / 50
A. A four-inch, diamond shaped, hazardous materials label on the container
B. The name of the hazard class on the shipping paper
C. All answers are correct
D. Hazardous material placards on the vehicle
Shipping papers listing a hazard class, hazardous material labels on the cargo, or placards on the vehicle all show the driver that the load contains hazardous material.
30 / 50
A. Two years
B. One year
C. Four years
A DOT physical exam is valid for up to 24 months. The medical examiner may also issue a medical examiner's certificate for less than 24 months when it is desirable to monitor a condition, such as high blood pressure.
31 / 50
A. If the road surface causes your vehicle to tilt toward objects at the edge of the road, you should drive close to the shoulder
B. You should assume the posted clearance signs are correct
C. Extra speed will cause air to push your vehicle down for extra clearance
D. A vehicle's clearance can change with the load carried
The weight of a cargo van changes its height. An empty van is higher than a loaded one. That you got under a bridge when you were loaded does not mean that you can do it when you are empty.
32 / 50
A. Be placed out of service for 72 hours
B. Be placed out of service for 24 hours
C. Be placed out of service for 48 hours
You will be put out-of-service for 24 hours if you have any detectable amount of alcohol under .04%.
33 / 50
A. Gently pressing the brake pedal while driving through the water
B. Driving through quickly
C. Turning on your brake heaters
D. Applying hard pressure on both the brake pedal and accelerator after coming out of the water
Gently put on the brakes. This presses linings against brake drums or discs and keeps mud, silt, sand, and water from getting in.
34 / 50
A. Light, pumping action
B. Release the brake when you are 5mph below your safe speed, then let your speed come back up to your safe speed and repeat.
C. Light steady pressure
Once the vehicle is in the proper low gear, the following are the proper braking techniques: Apply the brakes just hard enough to feel a definite slowdown, when your speed has been reduced to approximately five mph below your "safe" speed, release the brakes. When your speed has increased to your "safe" speed, repeat.
35 / 50
A. Backing is always dangerous
B. All answers are correct are true
C. You should use a helper and communicate with hand signals
D. You should back and turn toward the driver's side whenever possible
Because you cannot see everything behind your vehicle, backing is always dangerous. Avoid backing whenever you can. When you have to back, here are a few simple safety rules: Start in the proper position, look at your path, use mirrors on both sides, back slowly, back and turn toward the driver's side whenever possible, and use a helper with clear hand signals whenever possible.
36 / 50
A. Tire temperature
B. Brake temperature
C. All answers are correct
D. Cargo doors and cargo securement
For an en-route Inspection. Check the, tires, wheels, and truck body for signs of heat whenever you stop during a trip. Also check for cargo securement at each stop.
37 / 50
A. Brake hard to slow the vehicle then, steer sharply onto the pavement
B. Come to a complete stop if possible, before steering back onto the pavement
C. Keep moving at the present speed and steer very gently back onto the pavement
If the shoulder is clear, stay on it until your vehicle has come to a stop. Signal and check your mirrors before pulling back onto the road.
38 / 50
A. 214 feet
B. 215 feet
C. 216 feet
Braking distance is the distance your vehicle will travel, in ideal conditions; while you are braking. At 55 mph on dry pavement with good brakes, it can take about 216 feet.
39 / 50
A. Speed control
B. Steering
C. Braking
D. All answers are correct
Overloading can have bad effects on steering, braking, and speed control. Overloaded trucks have to go very slowly on upgrades, and they may gain too much speed on downgrades. Stopping distance increases. Brakes can fail when forced to work too hard.
40 / 50
A. The eyes see a hazard to the time the brain knows that it is a hazard
B. The eyes see a hazard to the time the foot pushes the brake pedal
C. The brain tells the foot to push the brake pedal to the time the foot pushes the pedal
D. The brake pedal is pressed to the time the brakes begin to slow the vehicle
¾ second to 1 second. At 55 mph this accounts for 61 feet traveled.
41 / 50
A. Is used to keep a vehicle from skidding
B. Can be used while you are turning sharply
C. All answers are correct
D. Involves locking the wheels for short periods of time
Controlled Braking: applying the brakes as hard as you can without locking the wheels. Keep steering wheel movements very small while doing this. If you need to make a larger steering adjustment or if the wheels lock, release the brakes, brakes should only be locked for a short period of time. Re-apply the brakes as soon as you can.
42 / 50
A. Work better at very low speeds or very low RPM's
B. Allow you to disconnect the steering axle brakes
C. Can cause the vehicle to skid when slippery
When your drive wheels have poor traction, the retarder may cause them to skid. Therefore, you should turn the retarder off whenever the road is wet, icy, or snow covered.
43 / 50
A. Take your foot off the accelerator
B. Try a lower gear
C. Take your foot off the accelerator and apply the brakes
Skids caused by acceleration usually happen on ice or snow. Taking your foot off the accelerator can easily stop them. If it is very slippery, push the clutch in. Otherwise, the engine can keep the wheels from rolling freely and regaining traction.
44 / 50
A. In the ignition
B. Pocket on the door
C. On the dashboard
D. In your pocket
Make sure the parking brake is set, turn off the engine, and take the key with you when you are not in the cab during your vehicle inspection.
45 / 50
A. Faster than other traffic
B. Only fast enough so that you can stop within the distance that you can see ahead
C. Fast enough to keep up with other drivers
You should always be able to stop within the distance you can see ahead. Fog, rain, or other conditions may require that you slowdown to be able to stop in the distance you can see.
46 / 50
A. Don't turn any more than is needed to clear what is in your way
B. Steer with one hand so that you can turn the wheel more quickly
C. Apply the brakes while turning
Do not turn any more than needed to clear whatever is in your way. The more sharply you turn, the greater the chances of a skid or rollover.
47 / 50
A. Leave it in gear
B. Apply the parking brake
C. Turn the steering wheel as far to the left as you can
Never leave your vehicle unattended without applying the parking brakes or chocking the wheels. Your vehicle might roll away and cause injury and damage
48 / 50
A. A wrecking bar and fire extinguisher only
B. A fire extinguisher, spare electrical fuses, road flare (fusees) or triangles, emergency kit, and body fluid cleanup kit.
C. A can of brake fluid, flashlight and a new bottle of window washer fluid
D. A hammer, nails, screwdriver, pliers, and screws
In addition to checking for spare electrical fuses (if equipped), three red reflective triangles, and a properly charged and rated fire extinguisher, a school bus must also have: emergency kit, and body fluid cleanup kit
49 / 50
A. To the rear
B. Balanced in the cargo area
C. To the front
D. On the side away from most traffic
As part of your vehicle inspection, make sure the truck is not overloaded and the cargo is balanced and secured properly.
50 / 50
A. Scheduling trips during hours that you are normally asleep
B. Taking short breaks before you are drowsy
C. Taking a cold pill
To maintain alertness while driving: protect yourself from glare and eyestrain with sunglasses, keep cool, avoid heavy foods, be aware of down time during the day, have another person ride with you, take periodic breaks, or stop driving and get some rest or take a nap.
1 / 50
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