штат Калифорния
1 / 40
A. Specified pressure an air tire can carry
B. Both above
C. The maximum safe weight a tire can carry at a specified pressure
D. No answers are correct
The tire load is the maximum safe weight a tire can carry at a specified pressure. This rating is stated on the side of each tire.
2 / 40
A. Approximately 420 feet
B. Approximately 450 feet
C. Approximately 400 feet
The total stopping distance is the total minimum distance your vehicle has traveled, in ideal conditions; with everything considered, including perception distance, reaction distance and braking distance, until you can bring your vehicle to a complete stop. At 55 mph, your vehicle will travel a minimum of 450 feet.
3 / 40
A. Laws and restrictions can vary from place to place.
B. County and city laws do not apply to trucks and buses engaged in interstate commerce.
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.
4 / 40
A. Firmly, with both hands-on opposite sides of the wheel
B. With your right hand on the wheel
C. Firmly, with one hand at the top of the wheel and the other hand at the bottom of 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.
5 / 40
A. Downshift before entering the curve and accelerate slightly as you go through it
B. Downshift while in the curve
C. Downshift at any time, it doesn't make a difference
D. Downshift as you come out of the curve
Slow down to a safe speed, and downshift to the right gear before entering the curve. This lets you use some power through the curve to help the vehicle be more stable while turning. It also allows you to speed up as soon as you are out of the curve.
6 / 40
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.
7 / 40
A. Slow down and look straight ahead in your lane.
B. Look toward the right edge of your lane or the right edge of the road.
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.
8 / 40
A. Hydroplaning
B. Reduced braking power
C. Excessive brake wear
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.
9 / 40
A. The cargo should be rearranged so that the heaviest parts of the cargo are under the lightest parts.
B. The vehicle is less dangerous on curves.
C. The vehicle is less likely to tip over.
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.
10 / 40
A. As rain continues, the road becomes more slippery than it was when the rain began.
B. When the temperature drops, bridges will freeze before roadways.
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.
11 / 40
A. Adjust the headlights.
B. Clean the headlights.
C. Leave your high beams on.
Use high beams when it is safe and legal to do so. Use them when you are not within 500 feet of another vehicle.
12 / 40
A. Both of the above
B. The weight transmitted to the ground by one axle or one set of axles
C. The weight transmitted to the tires from the axle
Axle weight is the weight transmitted from one axle or a set of axles to the ground.
13 / 40
A. Get some sleep.
B. Drink some coffee.
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.
14 / 40
A. counter steer and accelerate.
B. restore traction to the tires.
C. use stab or controlled braking.
When any vehicle starts to skid, you must act to restore traction to the wheels.
15 / 40
A. Signal well in advance of the turn.
B. Do both of the above.
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.
16 / 40
A. make sure the parking brake is on and put the gearshift in neutral (or park if automatic).
B. start the engine and listen for unusual noises.
C. Both of the above
To get in and start the engine, make sure: the parking brake is on, gearshift is in neutral.
17 / 40
A. Pushing in the clutch and shifting into a higher gear at the same time
B. Releasing the clutch and pressing the accelerator at the same time
C. Accelerating while pressing the clutch and turning toward the driver's side
D. Releasing the clutch
Basic method for shifting up: release accelerator, push in clutch and shift to neutral at the same time. Release clutch. Let engine and gears slow down to the rpm required for the next gear. Push in clutch and shift to the higher gear at the same time. Release clutch and press accelerator at the same time.
18 / 40
A. turn your interior lights on.
B. find another route that is better lit.
C. use your high beams when legal and keep your interior lights off.
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.
19 / 40
A. ten minutes.
B. five minutes.
C. fifteen 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.
20 / 40
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.
21 / 40
A. Text messages
B. Tires
C. Mirrors
D. Cargo and cargo covers
Your CDL will be disqualified after two or more convictions of any state law on texting while operating a CMV. No motor carrier shall allow or require its drivers to engage in texting while driving.
22 / 40
A. color.
B. label.
C. shape.
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.
23 / 40
A. clean and adjust as necessary.
B. look in the mirror to see if you look good.
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.
24 / 40
A. Using hand signals
B. Driving brightly colored vehicles
C. Letting other drivers know you're there
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.
25 / 40
A. 0.4
B. 0.1
C. 0.16
At a BAC of .40 most people will lose consciousness, and some will die.
26 / 40
A. A need to disconnect the steering axle brakes
B. Better handling
C. Hard steering and possible breakdown
Too much weight on the steering axle can cause hard steering. It can damage the steering axle and tires.
27 / 40
A. use the same gear you would use to climb the hill.
B. use a lower gear than you would use to climb the hill.
C. shift into neutral and coast.
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.
28 / 40
A. see you.
B. may move into your traffic lane.
C. will move out of your lane of traffic.
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.
29 / 40
A. Yes
B. No
You must review the inspection report made by the previous driver. Only if defects reported earlier have been certified as repaired or not needed to be repaired, should you sign the previous driver's report.
30 / 40
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.
31 / 40
A. The light ahead has been green for quite a while
B. The light ahead has just turned red
C. The light ahead just turned green
A stale green light is a traffic light that is green when you first see it, thus you do not know how long it has been green - so we have to assume it will change at any moment.
32 / 40
A. One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet from the front of the vehicle
B. One about 50 feet from the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet from the front of the vehicle
C. One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear
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.
33 / 40
A. consent to have your vehicle inspected for alcohol.
B. consent to be tested for alcohol in your blood.
C. understand that you may now drink alcohol before driving.
If you operate a CMV, you shall be deemed to have given your consent to alcohol testing.
34 / 40
A. a charged fire extinguisher.
B. warning devices.
C. tire changing equipment.
Check for optional emergency items such as: chains, tire changing equipment, list of emergency phone numbers, and accident reporting kit.
35 / 40
A. 4
B. 2
C. 6
—the rest builds up in your blood.
36 / 40
A. Both of the above
B. Leaking shock absorbers
C. Broken leaves in a leaf spring and a cracked or broken spring hanger
Leaking shock absorbers and broken or missing leaves are two of the more common defects that may occur in a suspension system.
37 / 40
A. select a gear that will keep your vehicle at a safe speed on steep downgrades.
B. coast down hills that are not very steep inclines.
C. apply constant hard pressure on the brakes.
You must select an appropriate safe speed, then use a low gear, and proper braking techniques.
38 / 40
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.
39 / 40
A. Apply more braking pressure to the brake pedal
B. Apply more pressure to the brake pedal and steer, counter steer
C. Release brakes and counter steer
Do the following to correct a drive-wheel braking skid: stop braking letting the rear wheels roll again and keep the rear wheels from sliding; counter-steer as a vehicle turns back on course, it tends to keep on turning. Unless you turn the steering wheel quickly the other way, you may find yourself skidding in the opposite direction.
40 / 40
A. ask the doctor if the medication will affect your ability to drive.
B. take the medication as well as other medications to keep you alert.
C. take the medication but stop taking it if you notice it is affecting your driving.
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.
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