1 / 50
A. Keep driving, and turn your defroster on
B. Pull over in a safe place and remove the ice
C. Keep driving, and reach out the window and knock the ice off
Before the ice buildup becomes dangerous you should stop in a safe location and clear off the ice. With ice on the wiper blade it might not clear the windshield enough for safe driving.
2 / 50
A. No
B. Yes
C. It doesn't make any difference if you drive slowly
Check for missing or broken leaves in any leaf spring. If one-fourth or more are missing, it will put the vehicle "out of service", but any defect could be dangerous.
3 / 50
A. 32 feet
B. Two Vehicle lengths ahead
C. One block
Most good drivers look at least 12 to 15 seconds ahead. At lower speeds, that's about one block. At highway speeds it's about a quarter of a mile.
4 / 50
A. Damage to drive axle tires
B. Better handling
C. Poor traction
D. A need to disconnect the steering axle brakes
Too little weight on the driving axles can cause poor traction. The drive wheels may spin easily.
5 / 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. Cannot be used by certain types of heavy vehicles
C. Are designed to protect vehicles from damage
Escape ramps are made to stop runaway vehicles safely without injuring drivers and passengers.
6 / 50
A. Brakes can work better.
B. Your foot can get tired.
C. Brakes can grab or become weak.
Water in the brakes can cause the brakes to be weak, to apply unevenly, or to grab. This can cause lack of braking power, wheel lockups, pulling to one side or the other, and jackknife if you pull a trailer.
7 / 50
A. primary and secondary safety cab locks
B. frame and cross members
C. air lines and electrical wiring
Air lines and electrical wiring needs to be secured against snagging, rubbing, wearing.
8 / 50
A. someone who has the Hazardous Materials Endorsement rides with you.
B. the vehicle does not require placards.
C. the cargo will be transported less than 100 miles.
9 / 50
A. Getting stuck on the tracks because of insufficient clearance
B. Both of the above
C. Not having sufficient space to drive all the way through without stopping
You will lose your CDL for at least 60 days for your first violation of the following six offenses: failing to stop if the tracks are not clear, failing to slow down and check that the tracks are clear of an approaching train, failing to stop before driving onto the crossing, failing to have sufficient space to drive completely through the crossing without stopping, failing to obey a traffic control device or the directions of an enforcement official at the crossing, failing to negotiate a crossing because of insufficient undercarriage clearance.
10 / 50
A. Before and after signaling the change
B. Both of the above
C. After starting and after completing the lane change
You need to check your mirrors to make sure no one is alongside you or about to pass you. Check your mirrors: before you change lanes, after you have signaled, right after you start the lane change, and after you complete the lane change.
11 / 50
A. Both of the above
B. Burning tires or cloth
C. Electrical fires
The ABC type is designed to work on electrical fires, burning liquids, wood, paper, and cloth as well.
12 / 50
A. Both of these answers are correct.
B. A hazardous materials placard is on the vehicle.
C. There is a four-inch, diamond-shaped hazardous materials h3 on the container.
If the cargo contains hazardous materials, you must inspect for proper papers, labeling, and placarding.
13 / 50
A. Both of the above answers are true.
B. On packed snow, you should reduce your speed by about 1/2.
C. On a wet road, you should reduce your speed by about 1/3.
Wet roads can double stopping distance. You must drive slower to be able to stop in the same distance as on a dry road. Reduce speed by about one-third on a wet road. On packed snow, reduce speed by a half, or more. If the surface is icy, reduce speed to a crawl and stop driving as soon as you can safely do so.
14 / 50
A. Which products can be loaded together
B. When to use placards
C. Basic chemistry
Hazardous materials drivers must also know which products they can load together, and which they cannot, when to use placards.
15 / 50
A. They should only be used when driving during the daytime.
B. They often make you sleepy. Therefore, they should not be used while driving.
C. They can be used while driving as long as you only take half the regular dose.
This includes a variety of prescription and over-the counter drugs or cold medicines, which may make the driver drowsy or otherwise affect safe driving ability.
16 / 50
A. Short-term or daily rental truck drivers are often not used to the limited vision and pose a hazard.
B. Mail or delivery truck drivers do not pose a hazard.
C. Drivers using turn signals can be trusted to turn in the direction they indicate.
Be alert for drivers whose vision is blocked. Vans loaded station wagons, and cars with the rear window blocked are examples. Rental trucks should be watched carefully. Their drivers are often not used to the limited vision they have to the sides and rear of the truck.
17 / 50
A. Cracking is likely to occur, but it is not a safety threat.
B. You can check the tightness of belts by pressing on them.
C. Loose belts will not turn the water pump and/or fan on properly.
Learn how to check v-belt tightness on your vehicle by pressing on the belts. Loose belts will not turn the water pump and/or fan properly. This will result in overheating. Also, check belts for cracking or other signs of wear.
18 / 50
A. Move the rear reflective triangle back if the driver's vision is obscured to within 500 feet.
B. Put out your emergency warning devices within five minutes.
C. Keep the vehicle's taillights on to warn other drivers.
If line of sight view is obstructed due to hill or curve, move the rear-most triangle to a point back down the road (up to 500 feet) so warning is provided.
19 / 50
A. If a qualified person is helping them, stay out of the way unless asked to assist.
B. Allow injured persons to become chilled or overheated.
C. Move severely injured persons if there is a danger due to fire or passing traffic.
If a qualified person is at the accident and helping the injured, stay out of the way unless asked to assist. Otherwise, do the best you can to help any injured parties: don't move a severely injured person unless the danger of fire or passing traffic, stop heavy bleeding by applying, and keep the injured person warm.
20 / 50
A. Many heavy vehicle accidents occur between midnight and 6 a.m.
B. Most hazards are more easily seen at night than during the day.
C. Most people are more alert at night than during the day.
If possible, try to schedule trips for the hours you are normally awake. Many heavy motor vehicle accidents occur between midnight and 6 a.m.
21 / 50
A. When the temperature drops, bridges will freeze before roadways.
B. As rain continues, the road becomes more slippery than it was when the rain began.
C. Driving conditions become more dangerous as the temperature rises to the point where ice begins to melt.
Right after it starts to rain, the water mixes with oil left on the road by vehicles. This makes the road very slippery. If the rain continues, it will wash the oil away.
22 / 50
A. The weight transmitted to the tires from the axle
B. The weight transmitted to the ground by one axle or one set of axles
C. Both of the above
Axle weight is the weight transmitted from one axle or a set of axles to the ground.
23 / 50
A. 0.4
B. 0.1
C. 0.16
At a BAC of .40 most people will lose consciousness, and some will die.
24 / 50
A. flashing lights.
B. driving limited to certain times.
C. both of the above.
Over-length, over-width, and/or overweight loads require special transit permits. Driving is usually limited to certain times. Special equipment may be necessary such as "wide load" signs, flashing lights, flags, etc. Such loads may require a police escort or pilot vehicles bearing warning signs and/or flashing lights. These special loads require special driving care.
25 / 50
A. start the engine and listen for unusual noises.
B. Both of the above
C. make sure the parking brake is on and put the gearshift in neutral (or park if automatic).
To get in and start the engine, make sure: the parking brake is on, gearshift is in neutral.
26 / 50
A. Clean the headlights.
B. Leave your high beams on.
C. Adjust the headlights.
Use high beams when it is safe and legal to do so. Use them when you are not within 500 feet of another vehicle.
27 / 50
A. Both of the above
B. Broken leaves in a leaf spring and a cracked or broken spring hanger
C. Leaking shock absorbers
Leaking shock absorbers and broken or missing leaves are two of the more common defects that may occur in a suspension system.
28 / 50
A. Do both of the above.
B. Signal well in advance of the turn.
C. Signal continuously up through the turn.
There are three good rules for using turn signals: signal early, signal continuously, cancel your signal after the turn is completed.
29 / 50
A. You should bleed a small amount of air to keep tire pressure steady.
B. If a tire is too hot to touch, you should hose it down with water.
C. You should check tire mounting and air pressure before driving.
Check the tire mounting and air pressure, inspect the tires every two hours or every 100 miles, air pressure increases with temperature, do not let air out or the pressure will be too low when the tires cool off, if a tire is too hot to touch remain stopped until the tire cools off.
30 / 50
A. Look toward the right edge of your lane or the right edge of the road.
B. Slow down and look straight ahead in your lane.
C. Flash your high beams at the other driver.
Don't look directly at bright lights when driving. Look at the right side of the road. Watch the sidelines when someone coming toward you has very bright lights on.
31 / 50
A. provide enough traction to steer and push the vehicle through snow.
B. have at least 6/32-inch tread depth.
C. have at least 4/32-inch tread depth.
Make sure you have enough tread on your tires. The drive tires must provide traction to push the rig over wet pavement and through snow. The steering tires must have traction to steer the vehicle. Enough tread is especially important in winter conditions.
32 / 50
A. use your high beams when legal and keep your interior lights off.
B. find another route that is better lit.
C. turn your interior lights on.
Some drivers make the mistake of always using low beams. This seriously cuts down on their ability to see ahead. Use high beams when it is safe and legal to do so. Use them when you are not within 500 feet of another vehicle. Keep the interior light off and adjust your instrument lights as low as you can to still be able to read the gauges.
33 / 50
A. take the medication but stop taking it if you notice it is affecting your driving.
B. take the medication as well as other medications to keep you alert.
C. ask the doctor if the medication will affect your ability to drive.
Possession and use of any drug given to a driver by a doctor is permitted if the doctor informs the driver that it will not affect safe driving ability.
34 / 50
A. Letting other drivers know you're there
B. Driving brightly colored vehicles
C. Using hand signals
Other drivers can't know what you are going to do until you tell them. Signaling what you intend to do is important for safety. Also, other drivers may not notice your vehicle even when it's in plain sight. To help prevent accidents, let them know you're there.
35 / 50
A. Firmly, with both hands-on opposite sides of the wheel
B. Firmly, with one hand at the top of the wheel and the other hand at the bottom of the wheel
C. With your right hand on the wheel
Hold the steering wheel firmly with both hands. Your hands should be on opposite sides of the wheel. If you hit a curb or a pothole, the wheel could pull away from your hands unless you have a firm hold.
36 / 50
A. look in the mirror to see if you look good.
B. clean and adjust as necessary.
C. not worry about any of it.
Inspect mirrors and windshield for cracks, dirt, illegal stickers, or other obstructions to seeing clearly. Clean and adjust as necessary.
37 / 50
A. will move out of your lane of traffic.
B. may move into your traffic lane.
C. see you.
Whenever you are about to pass a vehicle, pedestrian, or bicyclist, assume they don't see you, or that 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. Drive carefully enough to avoid a crash even if they don't see or hear you.
38 / 50
A. Drink some coffee.
B. Get some sleep.
C. Take some caffeine pills.
The average person needs seven or eight hours of sleep every 24 hours. Leaving on a long trip when you're already tired is dangerous. If you have a long trip scheduled, make sure that you get enough sleep before you go.
39 / 50
A. five minutes.
B. fifteen minutes.
C. ten minutes.
If you must stop on a road or the shoulder of any road, you must put out your emergency warning devices within ten minutes.
40 / 50
A. County and city laws do not apply to trucks and buses engaged in interstate commerce.
B. Laws and restrictions can vary from place to place.
C. Federal regulations apply only to trucks and buses driven at least 50 miles on a trip.
Be familiar with the laws in the states you drive in. These laws can cover aspects such as vehicle weight, cargo, and allowed routes. The regulations can vary from one jurisdiction to another, so know which jurisdictions you'll be driving through.
41 / 50
A. coast down hills that are not very steep inclines.
B. select a gear that will keep your vehicle at a safe speed on steep downgrades.
C. apply constant hard pressure on the brakes.
You must select an appropriate safe speed, then use a low gear, and proper braking techniques.
42 / 50
A. use a lower gear than you would use to climb the hill.
B. shift into neutral and coast.
C. use the same gear you would use to climb the hill.
Newer trucks have low friction parts, streamlined shapes for fuel economy, more powerful engines meaning they can go up hills in higher gears. For that reason, drivers of modern trucks may have to use lower gears going down a hill than would be required to go up the hill.
43 / 50
A. The vehicle is less dangerous on curves.
B. The vehicle is less likely to tip over.
C. The cargo should be rearranged so that the heaviest parts of the cargo are under the lightest parts.
It is very important to distribute the cargo, so it is as low as possible. Put the heaviest parts of the cargo under the lightest parts.
44 / 50
A. color.
B. shape.
C. label.
Emergency personnel look for these things on the shipping paper. That is why it is vital that the proper shipping name, identification number, label, and placards are correct.
45 / 50
A. tire changing equipment.
B. warning devices.
C. a charged fire extinguisher.
Check for optional emergency items such as: chains, tire changing equipment, list of emergency phone numbers, and accident reporting kit.
46 / 50
A. restore traction to the tires.
B. use stab or controlled braking.
C. counter steer and accelerate.
When any vehicle starts to skid, you must act to restore traction to the wheels.
47 / 50
A. Excessive brake wear
B. Hydroplaning
C. Reduced braking power
Water in the brakes can cause the brakes to be weak, to apply unevenly, or to grab. This can cause lack of braking power, wheel lockups, pulling to one side or the other, and jackknife if you pull a trailer.
48 / 50
A. understand that you may now drink alcohol before driving.
B. consent to have your vehicle inspected for alcohol.
C. consent to be tested for alcohol in your blood.
If you operate a CMV, you shall be deemed to have given your consent to alcohol testing.
49 / 50
A. 2
B. 4
C. 6
—the rest builds up in your blood.
50 / 50
A. Signal other drivers when it is safe for them to pass you.
B. Stay to the right.
C. Turn on your flashers if it is legal to do so.
Some drivers try to help out others by signaling when it is safe to pass. You should not do this. You could cause an accident. You could be blamed, and it could cost you many thousands of dollars.
1 / 50
Progress
0
Errors