Gen Knowledge

Question 1

what can happen if you drive too fast around a curve?

Answer 1

if you take a curve too fast, your tires can lose traction and continue straight ahead, causing your vehicle to skid off the road, or your tires may retain traction, but your vehicle may roll over

Question 2

What is the rule about backing in a commercial vehicle?

Answer 2

Because your view of your surroundings is very limited, backing is always dangerous. Avoid it whenever possible. Parking in an area where you can pull out straight is a better alternative

Question 3

if you’re traveling at 55 mph on dry pavement, what is your reaction distance?

Answer 3

your reaction distance is the distance your vehicle moves from the time your brain recognizes the hazard until your foot moves off the accelerator and pushes the brake pedal. At 55 mph, your vehicle will travel an additional 60 feet before your foot hits the brakes

Question 4

How many reflective triangles should you have in your commercial vehicle?

Answer 4

you’re required to have this safety equipment in your CMV: spare electrical fuses (unless your vehicle uses circuit breaker)three red reflective triangles, and at least one properly charged and rated fire extinguisher

Question 5

after you first stop and check your vehicle’s cargo, how many miles can you drive before you must stop and check the cargo again?

Answer 5

you’re required by law to inspect your vehicle 50 miles into a trip. After that, inspect it every 150 miles or 3 hours, whichever comes first

Question 6

what is a common reason for hydroplaning

Answer 6

hydroplaning often occurs because of low tire pressure or worn treads

Question 7

how many tie downs should you use for 20 feet of cargo

Answer 7

include at least one tie down per 10 feet of cargo, but no matter how small the cargo, secure it with at least two tie downs. If you have 20 feet of cargo, you would need two tie downs

Question 8

when should you apply your brakes while driving around a curve

Answer 8

you should apply your brakes before you enter a curve. If you use your brakes halfway through, you run the risk of locking your wheels and causing your vehicle to skid

Question 9

when should you turn off your high beams?

Answer 9

you should turn off your high beams when you’re within 500 feet of an oncoming vehicle and when following another vehicle within 500 feet

Question 10

which part of the Skills Test must all drivers applying for a CDL take

Answer 10

the Skills Test consists of three components: 1 - Pre-Trip Inspection, 2 - Basic Control Skills, and 3 - Road test

Question 11

if you’re tested for alcohol while driving a commercial vehicle and your blood alcohol concentration (BAC) is 0.04 percent, what will happen

Answer 11

you can lose your CDL for 1 year if you’re tested for alcohol and your blood alcohol concentration (BAC) is 0.04 percent or more

Question 12

how much tread depth should your front tires have in every groove?

Answer 12

your front tires should have at least 4/32-inch tread depth in every major groove. Other tires must have at least 2/32-inch tread depth

Question 13

which of the following is true about the oil pressure gauge in a commercial vehicle

Answer 13

the oil pressure gauge should come up to normal within seconds of starting the engine. If the gauge is low or if it drops or fluctuates, turn off the engine and have it checked

Question 14

what can happen to brakes if they get wet?

Answer 14

water can cause brakes to weaken, apply unevenly, or grab. If this happens, you might lose braking power, experience wheel lockups, feel pulling to one side or the other, or undergo jackknifing

Question 15

the total weight of a single vehicle and its load is called the

Answer 15

The total weight of a single vehicle and its load is the gross vehicle weight (GVW)

Question 16

What might happen if there is too little weight on the front axle?

Answer 16

Too much weight on the front axle will make your CMV hard to steer. If you have too little weight on this axle, you won’t be able to steer safely.

Question 17

If your engine is on fire, you should

Answer 17

turn it off and don’t open the hood if you don’t have to. Shoot the fire extinguisher through louvers, the radiator, or from the underside of the vehicle

Question 18

How can you recover from a skid caused by driving too fast?

Answer 18

skids that occur while going too fast can usually be stopped by removing your foot from the accelerator

Question 19

When you load cargo on a flatbed, you should

Answer 19

when you load a flatbed, load the heaviest items over the axles when possible, since these area are the strongest. After you do this, distribute the rest of the cargo evenly in the front and back of the trailer

Question 20

Signs placed on the outside of a vehicle warning others of danger are called

Answer 20

placards are signs on the outside of a vehicle warning others of danger. If you’re transporting hazardous material, you’ll have placards on the outside of the front and rear of the vehicle, and on both sides

Question 21

What should you do if you’re being tailgated while driving a commercial vehicle?

Answer 21

to safely deal with a tailgater, increase your following distance, so there’s room in front of your vehicle. Making more room in front of your vehicle gives a tailgater a place to go if he wants to pass you

Question 22

When should you inspect your vehicle?

Answer 22

responsible CMV drivers check their vehicles before a trip (during pre-trip inspection), while driving (en-route inspection), whenever they make stops, and after their trip (or post-trip inspection)

Question 23

What should you be aware of if your vehicle has curved mirrors?

Answer 23

some large vehicles are equipped with curved mirrors, sometimes called convex, fisheye, bug-eye, or spot mirrors. These mirrors allow you to see more than flat mirrors do, but images in these mirrors appear smaller and farther away than they actually are, which is why it’s important to look in both mirrors

Question 24

When driving downhill, when should you shift your transmission into a lower gear?

Answer 24

you should shift your transmission into a lower gear before going downhill. Don’t wait until you build speed to downshift or you might not be able to find a gear and could seriously damage the transmission

Question 25

When crossing railroad tracks in a commercial vehicle, you should

Answer 25

you can’t rely on your hearing when crossing railroad tracks because the sounds of a commercial vehicle might drown out a train’s horn. Since warning signals and gates might not work properly, always approach railroad tracks as though a train is coming

Question 26

Securing devices called false bulkheads are often used to haul

Answer 26

because unconfined livestock can rock a CMV, securing devices called false bulkheads are often used to group the livestock together and prevent their movement. Even with the use of false bulkheads, however, livestock are known to lean on curves, which shifts the center of gravity and can cause your CMV to tip. Because of this, you have to turn especially slowly when transporting livestock

Question 27

When transporting metal coils, the coils can be placed so that the “eyes” are

Answer 27

metal coils are very heavy and circular shaped, so they can roll, which makes them more likely to break loose and fall of a trailer. Because of this, the FMCSA has specific rules about how metal coils must be tied down on a trailer. The center of a metal coil is called the “eye.” During transportation, metal coils may be placed on a trailer so that the eyes are vertical, crosswise, or lengthwise

Question 28

To find your total stopping distance, add perception distance, reaction distance, and

Answer 28

three factors dictate shopping distance: perception distance, reaction distance, and braking distance. These factors are added together to determine total stopping distance. Air brake vehicles have one more factor called “brake lag”

Question 29

A long bed of loose material such as gravel you can use if your brakes fail is called an

Answer 29

escape ramps are designed to stop runaway vehicles without injuring drivers or passengers. An escape ramp consists of a long upgrade, a long bed of loose material such as gravel, or both. If your brakes fail while you’re driving on a downgrade, look for signs indicating an escape ramp

Question 30

Applying the brakes all the way and releasing them when they lock up is called

Answer 30

in stab braking, you apply your brakes all the way and release them when they lock up. When your wheels begin to roll, apply the brakes all the way again

Question 31

Which of the following is true of your stopping distance on wet roads?

Answer 31

a wet road can actually double your stopping distance. when driving on wet roads, reduce your “dry-road speed” by one-third (i.e., from 55mph to 35mph)

Question 32

When you begin a trip, how many miles can you drive before you must stop and check your cargo?

Answer 32

you’re required by law to inspect your cargo (if it’s not in a sealed container) 50 miles into a trip. after that, inspect it every 150 miles or 3 hours - whichever comes first

Question 33

You should use the mirrors on your vehicle to

Answer 33

you should always use your mirrors when making lane changes, merging, and turning. you should also use your mirrors in tight spaces and on congested roads to make sure you have enough room to drive without hitting anything. look in your mirrors for any signs of tire trouble (loose or flapping tread, smoke, fire, or flats)

Question 34

Which of the following is true about using the correct gear on a downgrade when driving a newer truck?

Answer 34

newer tucks work better when drivers use a lower gear going downhill than they would use going uphill

Question 35

If you’re backing with a trailer and the trailer begins to drift, you should

Answer 35

if your trailer does begin to drift, correct the drift immediately by turning the steering wheel in the direction of the drift

Question 36

While signaling a turn, when should you cancel the signal?

Answer 36

when turning, signal several seconds before you turn. Don’t remove your hands from the wheel to cancel a signal until you have completed a turn. if your vehicle doesn’t have a self-canceling signal, turn off your signal once you’ve completed the turn

Question 37

Which of these has a high center of gravity?

Answer 37

livestock stand tall, so they have a high center of gravity. Hanging meat and dry bulk are also types of cargo with a high center of gravity. All three types of cargo can shift, so when you’re hauling this type of cargo, you need to drive very slowly around curves

Question 38

The distance it takes for your vehicle to stop once your foot has pushed the brake is called

Answer 38

the braking distance is the distance it takes for your vehicle to stop once your foot has pushed the brake

Question 39

When you’re loading cargo into a van, you should

Answer 39

when loading a van, load the heaviest cargo on the bottom and work your way up to the lightest. It’s safest to load the cargo using a tiered effect, as if you were laying bricks

Question 40

Which of these is a type of retarder?

Answer 40

The four main types of retarders are exhaust, engine, hydraulic, and electric

Question 41

When a vehicle is driven around a turn and its rear wheels follow a different path than its front wheels, it’s called

Answer 41

Your CMV needs a lot of space around it in order to turn without hitting another vehicle. You’ll make wide turns and have to deal with offtracking (when your CMV goes around a corner and its rear wheels follow a different path than its front wheels

Question 42

When driving a CMV, about how many seconds should you look ahead of your vehicle?

Answer 42

Commercial drivers should look at least 12 to 15 seconds ahead of their vehicles. If you’re driving at a lower speed, this is about one-eighth of a mile (one city block) ahead of your vehicle. If you’re driving faster (highway speeds), it’s about one-quarter of a mile

Question 43

If you’re driving a vehicle with a manual transmission, you should shift up when your vehicle’s tachometer

Answer 43

if you’re driving a manual transmission, shift up when your tachometer is at the top number of the range

Question 44

About how many feet of light do low beams provide?

Answer 44

low beams allow you to see only about 250 feet ahead of you. Reduce your speed when you must rely on low beams alone

Question 45

In hot weather, you should check your tires every

Answer 45

in hot weather, check your tires every 2 hours or every 100 miles. Air pressure can increase when the temperature is high

Question 46

If your driving axle is underloaded, your

Answer 46

if you load too little weight on the drive axle, you’re underloading this axle. An underloaded driving axle could cause your tires to lose traction, and you might not be able to drive in bad weather

Question 47

When should you use snub braking?

Answer 47

snub braking is the proper technique for long steep downgrades. when snub braking, first apply the brakes just enough to feel a definite slowdown. when your speed has been reduced to around 5 mph below the posted or safe speed, release the brakes. Let your speed increase back to the posted or safe speed and then repeat the procedure

Question 48

What is the best way to regain control of your vehicle if it hydroplanes?

Answer 48

the best way to regain control when you’re hydroplaning is to release the accelerator and push in the clutch. This usually does the trick. If your drive wheels start to skid, push in the clutch, so they’re able to turn freely. accelerating or braking may cause you to lose complete control of your vehicle

Question 49

To test hydraulic brakes for a leak, pump the brake pedal 3 times and then apply firm pressure. Then hold for 5 seconds. How can you tell if there is a leak?

Answer 49

to check hydraulic brakes for a leak, pump the brake pedal 3 times. then apply firm pressure to the pedal and hold it for 5 to 30 seconds. the pedal shouldn’t move. if it does, this tells you that there might be a hydraulic leak, air in the lines, or another problem

Question 50

If you see rust around wheel nuts, it may mean that the nuts are

Answer 50

it may be a sign that your wheel nuts are loose. sometimes wheel nuts aren’t tight enough after a tire has been changed. if you see rust around your wheel nuts, check the tightness of the nuts to make sure your wheel is fastened securely to your vehicle

Question 51

What should you do if a tire is too hot to touch?

Answer 51

if a tire is too hot to touch, remain stopped until it cools. a tire that’s excessively hot might blow or catch fire

Question 52

Which of the following safety equipment is optional?

Answer 52

Tire chains are optional, but some states require you to use them in the winter.
Spare electrical fuses, three red reflective triangles, and a fire extinguisher are required safety items that you must have in your CMV.

Question 53

Which of the following can cause you to have a greater overhead clearance?

Answer 53

heavy cargo will cause the height of your vehicle to be lower than it is when empty. just because you were able to get under a bridge when you were loaded doesn’t mean that you can clear that same bridge when you’re empty

Question 54

Which is a sign that a parking brake is in need of repair?

Answer 54

to test the parking brake, put the vehicle in a low gear and gently pull forward against the parking brake. do the same for the trailer when the trailer parking brake is set and the power unit parking brakes are released (if applicable). if the parking brake doesn’t hold, you’ll know that you have to get it fixed before you can drive your vehicle

Question 55

While inspecting your vehicle, what should you check for when you inspect wheel bearing seals?

Answer 55

when you inspect your vehicle’s wheels, you should check to make sure the wheel bearing seals aren’t leaking

Question 56

The total weight of the powered unit plus a trailer and its cargo is the

Answer 56

gross combination weight (GCW) is the total weight of a powered unit plus trailer or trailers and cargo

Question 57

What is the purpose of the suspension system?

Answer 57

the suspension system supports the vehicle and its load and keeps the axles in place

Question 58

When inspecting brakes, you should inspect brake drums for

Answer 58

brake drums crack over time, so inspect them carefully before heading onto the road and during a trip

Question 59

What is the minimum number of tie downs you can use to secure cargo loaded on a flatbed?

Answer 59

you should include at least one tie down per 10 feet of cargo, but no matter how small the cargo, secure it with at least two tie downs

Question 60

What is black ice?

Answer 60

black ice is a layer of ice so thin and clear that the road appears wet rather than icy. if the temperature is below freezing and the road appears wet, be prepared to encounter black ice

Question 61

Your spring brakes will be automatically applied at no less than

Answer 61

your spring brakes will be automatically applied when the air pressure drops to no less than 20 psi (20-45 psi, and typically 20-30 psi) and the remaining air is automatically released

Question 62

If your vehicle has s-cam drum brakes, what happens when you take your foot off the brake pedal?

Answer 62

when you take your foot off the brake pedal, the s-cam turns back to its original position and a return spring pulls the brake shoes away from the drum. then the brake is no longer applied and the wheels can turn freely again

Question 63

What do you have to do to drain your air tanks if you have a manual drain?

Answer 63

if your air brakes have a manual drain, you have to turn a handle or open a valve (petcock) to drain the air tanks; with an automatic drain, you don’t have to do anything

Question 64

What should you do instead of consistently applying your brakes on a steep downgrade?

Answer 64

when you’re driving down a steep downgrade, it’s important to put your vehicle in a lower gear before starting down the hill so you don’t have to rely solely on your air brakes, which can overheat and fade

Question 65

In s-cam drum brakes, what moves the slack adjuster?

Answer 65

when you push down on the brake pedal, the system releases air into the brake chamber. the air pressure pushes out a rod, called a pushrod, and moves the slack adjuster

Question 66

When you test your parking brakes, you stop your vehicle, apply the parking brake, and gently pull against it while in a lower gear. If your parking brakes are working correctly, your vehicle will

Answer 66

to test your parking brakes, stop your vehicle, apply the parking brake, and gently pull against the brake in a lower gear. if the parking brake is working correctly, it will keep the vehicle from moving

Question 67

Which of the following protects the air tank and the entire air brake system from too much pressure?

Answer 67

the safety release valve protects the tank and the entire air brake system from too much pressure. the safety valve is usually set to open at 150 psi

Question 68

What is an advantage of a dual-parking control valve?

Answer 68

a dual-parking control valve (usually found on buses) allows you to release the spring brakes that have been applied during an emergency, so you can move the vehicle

Question 69

What is the main advantage of a dual air brake system?

Answer 69

a dual air brake system offers greater protection against brake failure. the primary air brake system controls the regular brakes on the rear axle or axles. the secondary air brake system controls the brakes on the front axle and sometimes also on one rear axle. both systems supply air to the trailer, if there is one

Question 70

If you have an antilock braking system (ABS) on only the trailer and you start to lose control of your steering, what should you do?

Answer 70

if you lose control of your steering when driving a vehicle with an antilock braking system (ABS) on only a trailer, let up on the brakes

Question 71

When you apply the brakes as hard as you can without locking the wheels, it’s called

Answer 71

with controlled braking, you apply the brakes as hard as you can without locking the wheels

Question 72

If you’re driving on dry pavement at 55 mph and your vehicle has air brakes, how many feet should you add to your stopping distance?

Answer 72

if you’re traveling at 55 mph on dry pavement, add about 32 feet to your stopping distance if your vehicle has air brakes. Your total stopping distance if you’re traveling in a CMV with air brakes at 55 mph is over 300 feet

Question 73

Which part of the air brake system controls the compressor?

Answer 73

the air governor is located on the compressor and governs, or controls, the amount of air pressure in the air tanks

Question 74

What can happen if the oil and water in your air tank freezes?

Answer 74

if the oil and water in your air tank freeze, they can cause your brakes to fail. this is why air tanks have drains at the bottom that allow you to release the oil and water. however, if the oil and water in the tank are frozen, you will not be able to drain the tank immediately

Question 75

Where are brake drums located?

Answer 75

brake drums are located at each end of your CMV’s axles. the wheels on the axles are bolted to the brake drums. a braking mechanism is inside the drum

Question 76

What happens when the air pressure in an airbrake system is below 60 psi?

Answer 76

if your air pressure drops below 60 psi, or one-half the compressor governor’s cut-out level on older vehicles, a red warning light comes on and a buzzer might sound

Question 77

If you’re checking the rate of air pressure buildup in a single air system (pre-1975), in 3 minutes the pressure should build from about 50 psi to

Answer 77

in a single air system (pre-1975), the pressure should build from about 50 to 90 psi within 3 minutes. if the pressure doesn’t build according to these guidelines, there’s a problem

Question 78

Which of the following is used to keep an air compressor cool?

Answer 78

different types of air compressors have different types of cooling systems. some are air-cooled; others are cooled by the engine cooling system

Question 79

Why is there a brake lag distance in a vehicle with air brakes?

Answer 79

it takes longer to stop a vehicle with air brakes because air has to flow through the lines to the brakes

Question 80

A slack adjuster needs adjustment if it moves more than

Answer 80

a slack adjuster shouldn’t move more than 1 inch where the pushrod attaches to it. if it does, it most likely needs adjustment. too much slack may make it difficult to stop your CMV

Question 81

You should brake fully in an emergency situation, if you are driving a

Answer 81

if you’re driving a combination vehicle or a straight truck with an antilock braking system (ABS) on all axles, you can brake fully in an emergency situation

Question 82

What holds back spring brakes during normal driving?

Answer 82

spring brakes, often called fail-safe brakes, have powerful springs held back by air pressure

Question 83

When you test your service brakes, you should release the parking brake, drive slowly, and then apply the brakes. Which of the following indicates that there may be a problem?

Answer 83

when you test your service brakes, release the parking brake once air pressure has built up to a normal level and move the vehicle ahead slowly at about 5 mph. then apply the brakes. if they’re working properly, the brakes should stop your vehicle without any delay and without pulling to one side

Question 84

If you have to make an emergency stop, you should brake

Answer 84

if you have to make an emergency stop, brake so that you can keep your vehicle in a straight line and allow you to turn if you have to. you can use either controlled braking or stab braking to do this

Question 85

Which is an example of stab braking?

Answer 85

with stab braking, you apply the brakes all the way and then release them when they lock up. fully reapply the brakes as soon as the wheels start rolling

Question 86

What do you have to do each day during cold weather if your air tanks have an automatic drain and an alcohol evaporator?

Answer 86

if your air brake system has an alcohol evaporator, check the alcohol container and fill it when it’s low. you’ll have to fill it every day in very cold weather

Question 87

What should you do if your safety release valve releases air?

Answer 87

the safety valve is usually set to open at 150 psi. if your safety valve releases air, something is wrong and you need to call a mechanic

Question 88

What happens to the air pressure when you letup on the brake pedal?

Answer 88

when you let up the pressure on the brake pedal, you reduce the pressure and some air is let out of the system

Question 89

If the pressure in an air brake system has reached the cut-out level, the air compressor won’t be allowed to pump air. In most systems, it will be allowed to pump air again once the pressure reaches a cut-in level of about

Answer 89

when the air pressure rises, it reaches a cut-out level, usually between 120 and 130 psi, and the governor stops the compressor from pumping additional air. when the pressure is reduced and falls within a cut-in level, usually around 100 psi, the governor allows the compressor once again to pump air

Question 90

In a dual air brake system, the secondary airbrake system controls the brakes on

Answer 90

the secondary air brake system controls the brakes on the front axle and sometimes also on one rear axle. both the primary and the secondary air brake systems supply air to the trailer, if one is attached

Question 91

While driving a school bus, how many feet from the nearest rail should you stop when you’re at a railroad-highway crossing?

Answer 91

while driving a school bus, if you’re approaching a railroad-highway crossing, you should stop no closer than 15 feet and no farther than 50 feet from the nearest rail. This is where you have the best view of the tracks

Question 92

On passenger vehicles and buses with designated standing areas, a 2-inch line on the floor or some other marking that shows passengers where they can’t stand is called

Answer 92

on passenger vehicles and buses with designated standing areas, a 2-inch line on the floor or some other marking that shows passengers where they can’t stand is called a standee line

Question 93

Which of the following hazardous materials can you transport on a passenger vehicle in the space occupied by people?

Answer 93

passenger vehicles and buses may carry small arms ammunition labeled ORM-D, emergency hospital supplies, and drugs. Passenger vehicles may never carry explosives, labeled radioactive materials, and irritating materials such as tear gas, especially in the space occupied by people

Question 94

As with any CMV, before driving your passenger vehicle, you should perform a pre-trip inspection. During your pre-trip inspection, which of the following should you make sure is in proper working order?

Answer 94

seats fastened and secured to bus, handholds in working order, aisles and steps clear, emergency exit and lights in working order
Also: steering mechanism, windshield wipers, service brakes, and parking brakes are in proper working order. you should also check the lights and reflectors, tires, horn, rear-vision mirrors, coupling devices (if equipped), wheels and rims, and emergency equipment.

Question 95

If you must get a disruptive student off your school bus, what should you do?

Answer 95

pull over and call a school official or the police to come and remove the student. never discharge the student anywhere except at the school or the student’s designated stop
never discharge a disruptive passenger where it is unsafe for them. the next stop or lighted area may be the safest place

Question 96

Which of the following are you required to announce at your destination or intermediate stops?

Answer 96

you’re required to announce the location, the next departure time, the bus number, and the reason for stopping

Question 97

How far does the danger zone extend around all sides of a school bus?

Answer 97

The danger zone is the area on all sides of the bus where children are in the most danger of being hit, either by another vehicle or their own bus. The danger zones may extend as much as 30 feet from the front bumper with the first 10 feet being the most dangerous, 10 feet from the left and right sides of the bus and 10 feet behind the rear bumper of the school bus. In addition, the area to the left of the bus is always considered dangerous because of passing cars.

Question 98

At a drawbridge, you should always stop if the bridge has

Answer 98

if the bridge has no signal light or officer controlling traffic.
you don’t need to stop, but you must slow down, if the drawbridge has a bridge attendant and light, an officer controlling traffic, or a light that’s showing green

Question 99

Which of the following is a practice prohibited while driving a passenger vehicle or bus?

Answer 99

Avoid fueling your bus with riders on board unless absolutely necessary. Never refuel in a closed building with riders on board.
Don’t talk with riders, or engage in any other distracting activity, while driving.
Do not tow or push a disabled bus with riders aboard the vehicle, unless getting off would be unsafe. Only tow or push the bus to the nearest safe spot to discharge passengers. Follow your employer’s guidelines on towing or pushing disabled buses.

Question 100

If your school bus is equipped with convex mirrors, they’re used to monitor

Answer 100

the left and right sides of the bus at a wide angle. use the outside left and right side cross-view mirrors to view the danger zone in front of the bus. Use your inside rearview mirror to monitor passenger activity inside the bus. use your outside left and right side flat mirrors to check clearances to the sides and rear of the bus

Question 101

How many feet before you arrive at a bus stop should you activate your alternating flash amber warning lamps?

Answer 101

When approaching the stop, you should: Approach cautiously at a slow rate of speed.
Look for pedestrians, traffic, or other objects before, during, and after coming to a stop.
Continuously check all mirrors.
If the school bus is so equipped, activate alternating flashing amber warning lights at least 200 feet or approximately 5-10 seconds before the school bus stop or in accordance with state law.
Turn on right turn signal indicator about 100-300 feet or approximately 3-5 seconds before pulling over. Continuously check mirrors to monitor the danger zones for students, traffic, and other objects.
Move as far as possible to the right on the traveled portion of the roadway.

Question 102

During which of these emergencies must you evacuate your school bus?

Answer 102

The bus is on fire or there is a threat of a fire.
The bus is stalled on or adjacent to a railroad-highway crossing.
The position of the bus may change and increase the danger.
There is an imminent danger of collision.
There is a need to quickly evacuate because of a hazardous materials spill.

Question 103

If your bus comes equipped with a brake-door interlock, before you can go forward, you must

Answer 103

you must close the rear door.
Urban mass transit coaches may have a brake and accelerator interlock system. The interlock applies the brakes and holds the throttle in idle position when the rear door is open. The interlock releases when you close the rear door. Do not use this safety feature in place of the parking brake.

Question 104

When you drive with ABS, you should brake

Answer 104

brake the same as you normally would

Question 105

You should be especially careful at a passive railroad-highway crossing because there’s

Answer 105

there’s no traffic control device. passive crossings have yellow circular advance warning signs, pavement markings, and crossbucks, but they don’t have traffic control devices such as flashing red lights, bells, gates, or officers to control traffic

Question 106

When you unload your school bus at the school, you should walk through the bus while you’re still at the school to look for

Answer 106

you should walk through the bus while you’re still at the school to look for sleeping and hiding students, or any items left behind

Question 107

Which of the following emergency equipment are you required to have on your passenger vehicle?

Answer 107

In addition to checking for spare electrical fuses (if equipped), three red reflective triangles, 6 fusees or 3 liquid burning flares and a properly charged and rated fire extinguisher, school bus drivers must also inspect the following emergency equipment:
Emergency Kit
Body Fluid Cleanup Kit

Question 108

Which of these mirrors on your school bus should you properly adjust to monitor traffic and to check clearances and students on the sides and to the rear of the bus?

Answer 108

Outside Left and Right Side Flat Mirrors
These mirrors are mounted at the left and right front corners of the bus at the side or front of the windshield. They are used to monitor traffic, check clearances and students on the sides and to the rear of the bus. There is a blind spot immediately below and in front of each mirror and directly in back of the rear bumper. The blind spot behind the bus extends 5o to 150 feet and could extend up to 400 feet depending on the length and width of the bus.
Ensure that the mirrors are properly adjusted so you can see:
200 feet or 4 bus lengths behind the bus.
Along the sides of the bus.
The rear tires touching the ground.

Question 109

When you unload students at a scheduled bus stop, how far away should you tell students to walk from the side of the bus?

Answer 109

at least 10 feet away from the side of the bus to a position where the driver can plainly see all students.

Question 110

If your passenger vehicle has a red emergency door light, turn it on when you

Answer 110

Turn it on at night or any other time you use your outside lights.

Question 111

Which of the following should you do before closing the doors of your passenger vehicle and pulling away?

Answer 111

you should always allow your passengers enough time to sit down or brace themselves by grabbing handholds and rails

Question 112

One of your passengers would like to bring aboard your bus a bag that contains a car battery. What should you do?

Answer 112

you should tell them that car batteries are forbidden cargo, and don’t allow the bag with the car battery on the bus

Question 113

While conducting your pre-trip inspection, you should sign the inspection report made by the previous driver

Answer 113

only after any defects have been certified as repaired or certified as not needing repairs

Question 114

If you’re driving a passenger vehicle, when must you wear your seat belt?

Answer 114

you must wear your seat belt anytime that your vehicle is moving

Question 115

You should never refuel your passenger vehicle if

Answer 115

Avoid fueling your bus with riders on board unless absolutely necessary. Never refuel in a closed building with riders on board.

Turn off your engine before fueling a motor vehicle containing hazardous materials. Someone must always be at the nozzle, controlling fuel flow.

Question 116

When loading baggage and freight onto a passenger vehicle, it should be secured to

Answer 116

it should be secured to allow the driver to move freely and easily on the bus, protect passengers from falling and shifting baggage, and enable passengers to access emergency exits

Question 117

If you’re driving a passenger vehicle on a banked curve in good weather, you should

Answer 117

you should reduce your driving speed. the speed that’s posted is safe only for cars driving in good weather

Question 118

How many pounds of solid Division 6.1 poisons can you load onto passenger vehicles and buses?

Answer 118

a passenger vehicle or bus must never carry more than 100 lbs. of solid Division 6.1 poisons

Question 119

After unloading your school bus at the school, you’ve accounted for all the students and you’re preparing to leave. What is the last thing you should do?

Answer 119

you should check all your mirrors again. always give your mirrors one final check before deciding it’s safe to pull away from the unloading area at a school, and allow congested traffic to disperse

Question 120

If you drive a school bus and one of your student passengers must cross a roadway after unloading, to what location should they walk to wait for your signal to cross the street?

Answer 120

Walk approximately 10 feet away from the side of the school bus to a position where you can see them.
Walk to a location at least 10 feet in front of the right corner of the bumper, but still remaining away from the front of the school bus.

Question 121

While driving a school bus, how many feet from the nearest rail should you stop when you’re at a railroad-highway crossing?

Answer 121

while driving a school bus, if you’re approaching a railroad-highway crossing, you should stop no closer than 15 feet and no farther than 50 feet from the nearest rail. This is where you have the best view of the tracks