1 / 50
A. Both above
B. No answers are correct
C. Total weight of a single vehicle
D. Total weight of a single vehicle plus its load
The Gross Vehicle Weight Rating (GVWR) is the value specified by the manufacturer as the loaded weight of a single vehicle.
2 / 50
A. You should inspect your tires more often because they are more likely to fail
B. Recapped tires are less likely to fail in hot weather than new tires
C. If a tire it is too hot to touch you should drive on it to cool it off
Inspect the tires more often than usual, or every two hours or every 100 miles when driving in very hot weather.
3 / 50
A. You should avoid backing whenever you can
B. It is safer to back toward the right side of the vehicle than toward the driver's side
C. When you use a helper, they should use a clear spoken signal
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.
4 / 50
A. High center of gravity and danger of load surge
B. High center of gravity
C. No answers are correct
D. Danger of load surge
Hauling liquids in tanks requires special skills because of the high center of gravity and liquid movement.
5 / 50
A. When turning or changing lanes
B. Every 1/4 mile
C. Every 8 to 10 seconds
You should check your mirrors every 8 to 10 seconds to know what is going on around your vehicle at all times.
6 / 50
A. Look for wheel speed sensor wires that are coming from the rear of your brakes.
B. Check for a yellow ABS malfunction lamp on the instrument panel.
C. Check if your vehicle was manufactured after March 1, 1998. (Such vehicles are required to have the panel light.)
D. All of the above can work.
Most vehicles now have an ABS light on the instrument panel that will light up briefly when the vehicle is started to alert you that the vehicle has ABS, you can check to see if the vehicle was built on or after March 1, 1998, or you can check for wires from your brakes.
7 / 50
A. go straight ahead even if the steering wheel is turned.
B. slide sideways and spin out.
C. go to the right.
In a front-wheel skid, the front end tends to go in a straight line regardless of how much you turn the steering wheel.
8 / 50
A. 300 feet.
B. 400 feet.
C. 500 feet.
Dim your lights within 500 feet of an oncoming vehicle and when following another vehicle within 500 feet.
9 / 50
A. Both of the above are correct
B. Try to get your vehicle to the side of the road.
C. If you're stopping to help, park away from the accident.
Protect the accident area: if your vehicle is involved in the accident, try to get it to the side of the road, if you're stopping to help, park away from the accident, put on your flashers, and set out reflective triangles to warn other traffic.
10 / 50
A. The clutch is made to be used on even surfaces.
B. You will not be able to shift into a lower gear once you are going down a hill.
C. You need to be in the same gear at the bottom of the hill.
Do not try to downshift after your speed has already built up. You will not be able to shift into a lower gear. You may not even be able to get back into any gear and all engine braking effect will be lost.
11 / 50
A. watch for sharp pavement drop-offs.
B. turn on your parking lights.
C. reduce speed only if workers are close to the roadway.
When people are working on the road, it is a hazard. There may be narrower lanes, sharp turns, or uneven surfaces.
12 / 50
A. adjust to conditions while driving.
B. turn the wheel sharply for all turns.
C. brake hard at all stops.
Don't over steer, over accelerate, or over brake by adjusting to conditions while driving. These include traction, curves, visibility, traffic and hills.
13 / 50
A. Signal and change lanes to avoid the car if possible.
B. Slow down to prevent a crash.
C. Honk and stay close behind the car.
D. Both A and B.
What you should do is make a lane change or slow down to prevent a crash if the car suddenly cuts in front of you, and you should not honk or stay close behind the car.
14 / 50
A. to the front.
B. balanced in the cargo area.
C. to the rear.
Poor weight balance can make vehicle handling unsafe. The cargo should be loaded so that it is balanced in the cargo area.
15 / 50
A. Set out warning devices to keep other vehicles from running into the accident scene.
B. Have a drink to calm your nerves.
C. Leave your vehicle, do nothing, and get to higher ground.
D. Stay in your vehicle and do nothing until help arrives.
When you're in an accident and not seriously hurt, you need to act to prevent further damage or injury. The basic steps to be taken at any accident are to: protect the area, notify authorities, and care for the injured.
16 / 50
A. The effects of alcohol decreases
B. The drinker clearly sees how alcohol is affecting them
C. The drinker can sober up in less time
D. The person becomes more dangerous if allowed to drive
Accident statistics show that the chance of a crash is much greater for drivers who have been drinking than for drivers who have not.
17 / 50
A. Only occurs when there is a lot of water
B. Cannot occur when driving through a puddle
C. Is more likely if tire pressure is low
D. Only occurs at speeds above 50 mph
Hydroplaning is more likely if tire pressure is low, or the tread is worn. The grooves in a tire carry away the water; if they aren't deep, they don't work well.
18 / 50
A. Tip over
B. Increase speed going downhill
C. Increase stopping distance
D. No answers are correct
The height of the vehicle's center of gravity is very important for safe handling. A high center of gravity means you are more likely to tip over. It is most dangerous in curves, or if you have to swerve to avoid a hazard.
19 / 50
A. A burning tire must be cooled
B. If a trailer is on fire, you should drive fast to put out the flames
C. If cargo in a van or a box trailer catches on fire, you should open the cargo doors as soon as you can
D. If your engine is on fire, you should open the hood as soon as you can
A burning tire must be cooled. Lots of water may be required.
20 / 50
A. 12 feet of cargo
B. 10 feet of cargo
C. 15 feet of cargo
Cargo should have at least one tie-down for each ten feet of cargo. Make sure you have enough tiedowns to meet this need.
21 / 50
A. Note the problem and continue your route
B. Report the problem and arrange for another vehicle to use
C. Go home because shouldn't drive the vehicle this way
D. No answers are correct
If you find anything unsafe during the Vehicle inspection, get it fixed, or use a different vehicle. Federal and state laws forbid operating an unsafe vehicle.
22 / 50
A. Other highway users can hit or be hit by loose cargo
B. Overloading can damage vehicle
C. All answers are correct are true
D. Loose cargo can cause injury to the driver or passengers during a quick stop or crash
Loose cargo that falls off a vehicle can cause traffic problems and others could be hurt or killed. Loose cargo could hurt or kill you during a quick stop or crash. Your vehicle could be damaged by an overload.
23 / 50
A. 30 mph
B. 40 mph
C. 35 mph
Going with the flow of traffic is safer and easier.
24 / 50
A. At night; in heavy traffic
B. Through tunnels; over bridges
C. During bad weather; in mountains
During bad weather or in mountains, it may not be safe to operate at legal maximum weights. Take this into account before driving.
25 / 50
A. Watch gauges and mirrors and use your senses to check for problems: LOOK, LISTEN, and SMELL.
B. Check your maps and directions and the weather report.
C. Check load stability by slightly swerving left to right in your lane.
For safety you should: watch gauges for signs of trouble, use your senses to check for problems (look, listen, smell, feel), and check critical items when you stop.
26 / 50
A. the engine warm.
B. control of the vehicle.
C. the engine oil flowing.
Correct shifting of gears is important. If you can't get your vehicle into the right gear while driving, you will have less control.
27 / 50
A. Open the windows for some fresh air.
B. Pull off the road and get some sleep.
C. Drink energy drinks.
D. Drink a cup of coffee.
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.
28 / 50
A. Air
B. Temp
C. Oil
When the engine is at operating rpms, the air pressure should build from 85 to 100 psi within 45 seconds in dual air systems.
29 / 50
A. 4 seconds
B. 3 seconds
C. 2 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.
30 / 50
A. Special skills are required to haul liquid tanks.
B. The term "tank vehicle" refers only to those vehicles having a permanently attached tank.
C. All tank vehicles have some sort of bulkhead or baffle.
Hauling liquids in tanks requires special skills because of the high center of gravity and liquid movement.
31 / 50
A. Electrical fires
B. Tire fires
C. Gasoline fires
Water can be used on wood, paper, or cloth, but don't use water on an electrical fire or a gasoline fire. A burning tire must be cooled. Lots of water may be required.
32 / 50
A. Damage to the coupling
B. Mechanical damage
C. Tire damage
Rough acceleration can cause mechanical damage. When pulling a trailer, rough acceleration can damage the coupling.
33 / 50
A. Not the responsibility of the driver
B. Should be performed after every break you take while driving
C. Are only needed if hazardous materials are being hauled
Re-check the cargo and securing devices as often as necessary during a trip to keep the load secure. You need to inspect again: after you have driven for 3 hours or 150 miles, and after every break you take during driving.
34 / 50
A. Shift up.
B. Use the parking or emergency brake.
C. Pump the brakes.
When the system won't build up pressure here are some things you can do: downshift, pump the Brakes, use the parking brake, and find an Escape Route.
35 / 50
A. The lighter your vehicle, the less trouble you will have with the wind
B. Winds are especially a problem when coming out of tunnels
C. You should drive alongside other vehicles to help break up the wind
Strong winds make it difficult to stay in your lane. The problem is usually worse for lighter vehicles. This problem can be especially bad coming out of tunnels.
36 / 50
A. Begin controlled or stab braking
B. Quickly steer onto the shoulder
C. Stay off the brake until the vehicle slows down on its own
D. Begin light braking
It's natural to want to brake in an emergency, however, braking when a tire has failed could cause loss of control. Once the vehicle has slowed down brake very gently, pull off the road, and stop.
37 / 50
A. Identify, project, dedicate, execute
B. Identify, predict, decide, execute
C. Idea, predicts, decide, execute
Identify, Predict, Decide, and Execute (IPDE) is the step-by-step process behind the principles of defensive driving and complexities of visual perception in traffic.
38 / 50
A. You can use the tachometer to tell you when to shift
B. Double clutching should not be used when the road is slippery
C. Double clutching should only be used with a heavy load
Use either the tachometer or the speedometer and upshift/downshift at the right rpm or road speed.
39 / 50
A. All answers are correct are true
B. You should use a helper and communicate with hand signals
C. Backing is always dangerous
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.
40 / 50
A. The effects of alcohol decreases
B. The drinker can sober up in less time
C. The drinker clearly sees how alcohol is affecting them
D. The person becomes more dangerous if allowed to drive
Accident statistics show that the chance of a crash is much greater for drivers who have been drinking than for drivers who have not.
41 / 50
A. Use a smaller following distance
B. Apply the brakes during turns
C. Slow down gradually
D. All the above
I It will take longer to stop, and it will be harder to turn without skidding, when the road is slippery. Wet roads can double stopping distance at any speed, reduce speed, and slow down gradually on a wet road.
42 / 50
A. Four years
B. Two years
C. One year
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.
43 / 50
A. No answers are correct
B. 25 miles
C. 100 miles
D. 50 miles
Inspect the cargo and its securing devices within the first 50 miles after beginning a trip. Make any adjustments needed.
44 / 50
A. Steer into the left lane
B. Steer into the oncoming lanes
C. Steer to the right
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.
45 / 50
A. Get the vehicle off the road and stop in an open area
B. Head for the nearest service station
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!
46 / 50
A. Apply the brakes while turning
B. Don't turn any more than is needed to clear what is in your way
C. Steer with one hand so that you can turn the wheel more quickly
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. Make sure the road is clear, and continue to return to the road
B. Reduce your speed to 20 mph or less before returning to the road
C. Stop and turn your vehicle around before entering the road
If possible, avoid using the brakes until your speed has dropped to about 20 mph, and gently return to the road.
48 / 50
A. Pocket on the door
B. In the ignition
C. In your pocket
D. On the dashboard
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.
49 / 50
A. Should not be used unless you have first tried all other ways to save your vehicle after brake failure on a downgrade
B. Are designed to protect vehicles from damage
C. Cannot be used by certain types of heavy vehicles
Escape ramps are made to stop runaway vehicles safely without injuring drivers and passengers.
50 / 50
A. Try a lower gear
B. Take your foot off the accelerator and apply the brakes
C. Take your foot off the accelerator
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.
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