General Knowledge Flashcards
If you are not sure what to use to extinguish a hazardous materials fire you should:
a. use dirt
b. wait for qualified firefighters
c. use water
wait for qualified firefighters
Which of these statements about backing a heavy vehicle is true?
a. you should avoid backing whenever you can
b. it is safer to back toward the right side of the truck than toward the driver’s side
c. helpers should be out of the driver’s line of sight, and use only voice (spoken) signals to communicate with the driver
you should avoid backing whenever you can
What is true about other drivers?
a. short time drivers or rented trucks are not yet used to short visibility and they are a hazard
b. mail or delivery drivers are professionals and they are not a hazard
c. drivers using turn signals always can be trusted to make turn as they show it
short time drivers or rented trucks are not yet used to short visibility and they are a hazard
Which of these don’t need to be checked during a pre-trip inspection:
a. the load is secured
b. if all the vehicle lights are right and clean
c. how much duel there is in the vehicle
how much fuel there is in the vehicle
Loads carried in containers:
a. it should come with it’s own cargo tie down or locks
b. it is used generally when the load is carried by train or by ship
c. it doesn’t require inspection or secured by the driver
it is used generally when the load is carried by train or by ship
Trucks and buses are under certain rules, regulations and restrictions. Which of these sentences is true?
a. county and city rules don’t apply on trucks and buses dedicated to interstate commerce
b. federal regulations are applied only for trucks and buses used at least 50 miles of one trip
c. laws and restrictions can be different from one place to another
laws and restrictions can be different from one place to another
Which of these sentences about pre trip inspection is true?
a. leave the key in the starter switch so you cannot loose it while you are under the truck
b. if you need to pull the cab, be sure there are no loosen things so they won’t fall and break something
c. if you are parking on the street, you should not walk toward the oncoming traffic
if you need to pull the cab, be sure there are no loosen things so they won’t fall and break something
The principal cause of deaths in accidents is:
a. eat while you are driving
b. drive too fast
c. drive at night
drive too fast
- Most of the skids:
a. are because driving too fast or stopping too fast
b. won’t happen in radial tires
c. pasan en hielo
are because driving too fast or stopping too fast
Which of these is the best way to indicate change of lanes
a. indicate before changing lanes, and then move it next lane faster
b. indicate early, and change lanes smooth and slowly
c. indicate just when you start changing lanes, and move it slowly
indicate early, and change lanes smooth and slowly
To prevent brake fading, you should
a. choose a gear shift that keeps your vehicle at safe speed on steeped downgrades
b. apply content pressure to the brakes on steeped downgrades
c. coast on steeped downgrades
choose a gear shift that keeps your vehicle at safe speed on steeped downgrades
You are checking your wheels and rims for a pre trip inspection, which of these is true?
a. rust around wheel nuts may mean that they are loose
b. lock rings uneven can be used at the same vehicle
c. a vehicle can be safely driven with one missing lug nut on a wheel
rust around wheel nuts may mean that they are loose
Can the state inspectors check your bus or truck?
a. yes, and they can put it out of service
b. no
c. yes, but they cannot put it out of service
yes, and they can put it out of service
When you drive in the night, you should use your low beams with an oncoming car toward you, at the distance of:
a. 400 feet
b. 300 feet
c. 500 feet
500 feet
Which of these sentences about an equipment inspection is true:
a. distortioned coil springs are safe when they are not broken
b. suspension parts must be verified on all axles except the power unit
c. Axle clamps must be verified over each part where they are safety to the axle vehicle structure
Axle clamps must be verified over each part where they are safety to the axle vehicle structure
Which of these sentences about staying alert is true?
a. if you have to stop and take a nap, it should be in a rest area or truck stop, never on the shoulder of the road
b. a half hour break for coffee will do more to keep you alert than a half hour nap
c. sleep is the only thing that can overcome fatigue
sleep is the only thing that can overcome fatigue
Which of these sentences about overhead clearance is true?
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. the weight of a vehicle changes its height
c. you should assume posted clearance signs are correct
the weight of a vehicle changes its height
Which of these sentences about downshifting is true?
a. when double clutching, you should let the rpm’s decrease while the clutch is released and the shift lever is in neutral
b. when you downshift for a curve, you should do it just before entering to the curve
c. when you downshift for a curve, you should do so before you enter the curve
when you downshift for a curve, you should do so before you enter the curve
If you don’t have a CB radio, what is the first thing you should do at the accident scene?
a. call for the authority
b. help the hurt people
c. protect the area
protect the area
Which of these is true about the drive skids of rear wheels?
a. with vehicles towing trailers, the trailer can push the towing vehicle sideways
b. the front wheels usually slide sideways in an attempt to “catch up” with the rear tires
c. locked wheels have more traction than rolling wheels
with vehicles towing trailers, the trailer can push the towing vehicle sideways
Which don’t provide extra change of shifts gears in some trucks?
a. auxiliary transmissions
b. automatic transmissions
c. multi-speed rear axles
automatic transmissions
The distance you should see ahead of your vehicle is:
a. 1/4 mile at highway speed
b. 1/2 mile at highway speed
c. 1/8 mile at highway speed
1/4 mile at highway speed
Which of these sentences about driving in cold weather is true?
a. an engine cannot overheat when the weather is too cold
b. exhaust system leaks are less dangerous in cold weather
c. antifreeze and windshield wipers should be used
antifreeze and windshield wipers should be used
What should you do before mountain driving?
a. unlock the steering axle brakes
b. carry tire chains in the truck
c. know the scape ramps location on your route
know the scape ramps location on your route
If you have a car following you too close, behind your vehicle, you should:
a. keep a longer following distance
b. turning on and off your brake lights
c. signaling to the vehicle behind you when it’s safe to pass
keep a longer following distance
Which of these sentences about speed management is true?
a. shadow roads get best traction than open areas
b. bridges will freeze before the roads will
c. when the road is slipper, it will take more time to stop and will be more had to make a turn without skipping
when the road is slippery, it will take more time to stop and will be more hard to make a turn without skipping
Your truck is in a traffic emergency and may collide with another vehicle if you don’t take action. Which of these is a good rule to remember at such a time?
a. stopping is always the safest action in a traffic emergency
b. you can almost always turn to miss an obstacle more quickly than you can stop
c. leaving the road is always more risky than hiring another vehicle
you can almost always turn to miss an obstacle more quickly than you can stop
To help you stay alert while driving, you should:
a. take short breaks before you get drowsy
b. schedule trips for hours you are normally asleep
c. keep the cab silent and warm
take short breaks before you get drowsy
Bridge formulas
a. permits less maximum axle weight for axles that are far together
b. permits less maximum axle weight for axles that are closer together
c. permits the same maximum axle weight for any distance between axles
permits less maximum axle weight for axles that are closer together
When you pass another vehicle, pedestrian, or biker you should suppose:
a. they know you want to pass
b. they see your vehicle
c. they can move into your lane
they can move into your lane
The distance you should see ahead of your vehicle when you are driving is approximately:
a. 1/2 block at lower speeds
b. 2 blocks at lower speeds
c. 1 block at lower speeds
1 block at lower speeds
When the hydraulic brakes fail while you are driving, the system won’t build up pressure and the brake pedal will feel spongy, or it’ll move down. What action should be done in this case?
a. push the brake pedal as hard as you can
b. put the vehicle in neutral and pull the had brakes
c. pump the brake pedal to get pressure
pump the brake pedal to get pressure
Which of these is not true about stopping in an emergency situation:
a. It doesn’t matter how you brake on an emergency situation
b. you should brake to keep straight your vehicle
c. you should avoid using the brakes until your speed has dropped to about 40 mph
it doesn’t matter how you brake in an emergency situation
Which three things add up to the total stopping distance for your truck or bus?
a. perception distance, reaction distance, and braking distance
b. sight distance, correspondence distance, brake distance
c. attention distance, reaction distance, slowing distance
perception distance, reaction distance, and braking distance
You can see a marking on a vehicle ahead of you. the marking is a red triangle with an orange center. What does that marking mean?
a. the vehicle is hauling hazardous materials
b. it may be a slow moving vehicle
c. it is driven by a student
it may be a slow moving vehicle
Which fires can you use water?
a. gasoline fires
b. electrical fires
c. tire fires
tire fires
Placards must be:
a. placed on all vehicles carrying hazardous materials
b. placed on four sides of the vehicle
c. placed only in front and rear of the vehicle
placed on four sides of the vehicle
Which sentence about double clutching and shifting is true?
a. double clutching should only be used with a heavy load
b. you can use the tachometer to tell you the to shift
c. double clutching should not be used when the road is slippery
you can use the tachometer to tell you when to shift
Which of these systems should receive more attention during an inspection in winter?
a. suspension
b. exhaust system
c. steering
exhaust system
Which of these is not dangerous when an automatic transmission shift into a lower gear at high speed?
a. transmission damage
b. steering wheel lose control
c. retarder effect lose control
steering wheel lose control
The blood alcohol concentration or BAC is determined for a person you need to know:
a. how often does the person drink alcohol
b. how much the person weighs
c. how old the person is
how much the person weighs
Which of these should be tested while the truck is parking?
a. hydraulic brake
b. service brakes
c. parking brakes
hydraulic brake
In bad weather, many drivers follow large vehicles closely, What should you do?
a. turn on your taillights to warn the drivers behind you an let more space
b. increase your following distance to avoid having to make sudden changes
c. increase your speed to get more following distance from the driver behind you
increase your following distance to avoid having to make sudden changes
Truck scape ramps
a. cannot be used by certain heavy vehicles
b. is not for buses
c. are made to avoid injury to vehicles
are made to avoid injury to vehicles
Which of these is correct about taking emergency actions to avoid a crash?
a. to turn fast, you must have hold of the steering wheel tightly
b. stopping is always the safest thing to do in an emergency
c. generally you can stop faster than turn to avoid a obstacle
to turn fast, you must have hold of the steering wheel tightly
What should you do when you see a dangerous obstacle ahead on the road?
a. avoid it and return to your lane
b. use your brake flash lights to warn someone else
c. stop faster and move to one side of the road
use your brake flash lights to warn someone else
Perception distance is the distance since your vehicle travels to the time:
a. your eyes see a hazard, until the time your foot push the brake pedal
b. the brain tells your foot to push the brake pedal, until the time your foot push the pedal
c. your eyes see a hazard, until the time your brain recognizes it’s a hazard
your eyes see a hazard, until the time your brain recognizes it’s a hazard
Which of these is not a correct use of the vehicle lights?
a. turning on the lights during the day when the visibility is low because raining or snowing
b. turning on the brake flash lights to keep away someone from the back of your truck
c. turning on the brake flash lights to warn someone you are slowing down
turning on the brake flash lights to keep away someone from he back of your truck
You can find hazardous materials when see something on the container
a. color
b. shape
c. label
label
The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?
a. downshift to stop
b. continue varying your speed
c. stop driving as soon as you can safely do so
stop driving as soon as you can safely do so
Which of these is not a failure characteristic of front wheels:
a. turn with difficulty
b. twist the steering wheel
c. the back of the vehicle fishtail
the back of the vehicle fishtail
Which of these can be a signal of wheel failure?
a. vibration
b. slidden wheels
c. a strong whistle noise
vibration
You should apply the brakes to turn on the flashing lights of the brakes if:
a. you are almost ready to leave from the highway and you need to slow down
b. the driver behind you is too close to your back
c. a police car is approaching you in the other direction
you are almost ready to leave from the highway and you need to slow down
Which of these sentences about speed control is true?
a. you should choose a speed that allows you stopping for the distance ahead of you
b. empty trucks always stop
c. when you double your speed, it will take two times the distance to stop
you should choose a speed that allows you stopping for the distance ahead of you
When you drive in cold weather, the tire tread of the wheel should:
a. be verified every 100 miles or every two hours
b. give enough traction to turn and push the vehicle through snow
c. it must be double tire tread in normal weather
give enough traction to turn and push the vehicle through snow
When you are driving over a snowed street, you should slow down at least:
a. one third
b. one half
c. one quarter
one half
Which of these sentences about your vehicle is true?
a. if cargo in a van or box trailer catches on fire, you should open the cargo doors as soon as you can
b. a burning tire should be cooled with water
c. if your engine is on fire, you should open the hood as soon as you can
a burning tire should be cooled with water
Sometimes you must leave the street to avoid a emergency or a hazard, when you do this, you should keep in mind.
a. it could be impossible for you to come back to the highway because there is gravel on the shoulders
b. most of the shoulders are not strong enough to support the weight of large vehicles.
c. it is less dangerous driving toward the shoulder than risking a crash
it is less dangerous driving toward the should than risking a crash
You have started to move your vehicle. When you apply enough power to the drive wheels, they begin to skid, you should:
a. take your foot off the accelerator
b. take your foot off the accelerator and apply the brakes
c. try to use a lower shift gear
take your foot off the accelerator
The speed you are driving depends on:
a. your time
b. your visibility
c. what kind of engine
your visibility
If a straight vehicle (no trailer or articulation) goes into a front-wheel skid, it will:
a. go straight ahead but will turn if you turn the steering wheel
b. go straight ahead even if the steering wheel is turned
c. slide sideways and spin out
go straight ahead even if the steering wheel is turned
Stab braking should not be used in vehicles with:
a. hazardous materials
b. anti-lock brakes
c. trailers
anti-lock brakes
When you turn on a bus on a level ground with good traction, there is no need for:
a. slow acceleration
b. hand brake
c. wheel inspection
hand brake
Which of these is not true about engine belts in hot weather
a. loosen belts won’t turn the water pump and/or won’t fan correctly
b. you can verify the tighten of your belts when you push them
c. cracks may occur but this is not dangerous for your safety
cracks may occur but this is not dangerous for your safety
Which of these is the most important thing to remember about emergency braking?
a. never do it without downshifting first
b. disconnecting the steering axle brakes will help keep your vehicle in a straight line during emergency braking
c. if the wheels are skidding, you cannot control the vehicle
if the wheels are skidding, you cannot control the vehicle
Which of these emergency equipment pieces must be carried in your vehicle?
a. parking vehicles warning signs
b. first aids box
c. circuit breakers
parking vehicles warning signs
If your brakes fail on a steep downgrade, you should first:
a. wait until you find a scape ramp to exit from the road
b. watch out for your vehicle, and find another way to reduce your speed
c. hit something to slow down
watch out for your vehicle, and find another way to reduce your speed
When do you need to know how a fire extinguisher works?
a. only when a fire occurs
b. only when you carry flammable materials
c. before a fire occurs
before a fire occurs
What sentence is true about using retarders?
a. brakes used on a steep downgrade increases the engine brake effect
b. you should not use the retarder as the principal way of speed control
c. it creates extra heat between the brake shoes or pads and drums or disks
you should not use the retarder as the principal way of speed control
Should the brake adjustment be checked very often?
a. yes, because the brakes can be out of adjustment when you use them a lot
b. it depends on how new the brakes are
c. no, because the other brakes replace the brake that is out of adjustment
yes, because the brakes can be out of adjustment when you use them a lot
Which of these sentences about tires is true?
a. the air pressure of one tire decreases when the temperature of the tire increases
b. you should verify your tires every two hours or every 100 miles when you drive in hot weather
c. if the wheels are too hot to touch them, let 5-10 pounds of air pressure out to cool them
you should verify your tires every two hours or every 100 miles when you drive in hot weather
Your brakes can be wet when driving in heavy rain. What can this cause, when you apply the brakes?
a. the trailer of the truck can jackknife
b. hydroplaning
c. excessive brake fading
the trailer of the truck can jackknife
On your mirror you can see a car closer at the back of your vehicle. Next time you check your mirror, you don’t see that car. You want to change lanes. you should:
a. suppose the car leaves the road and change lanes as usually
b. wait to change lanes until you are sure the car is not at your blindspot
c. move slowly to next lane so the other car can move from your way if it is near you
wait to change lanes until you are sure the car is not at your blindspot
Where or how do you use cargo block?
a. from the upper cargo load, to the ground
b. loose around the cargo
c. in the front, back, and/or the cargo sides
in the front, back, and/or the cargo sides
Which of these things is a good thing to do when driving in the night?
a. look directly to the vehicles headlights in front of you briefly
b. keep your indicators lights high
c. keep your speed slow enough to stop at the distance of your headlights
keep your speed slow enough to stop at the distance of your headlights
Which of these sentences about backing a heavy vehicle is not true?
a. you should use a helper and communicate with him using hand signs
b. you should start backing and turn toward drivers side when it’s possible
c. because you cannot see, you should start backing slowly until you hit the curb
because you cannot see, you should start backing slowly until you hit the curb
You are driving a heavy truck with a manual transmission. You have to stop the truck on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade
a. let the vehicle roll straight backwards a few fee, before you engage, the clutch, but turn the steering wheel so the rear is far away from the road
b. keep the clutch slipping while slowly accelerating
c. use the parking brake to hold the vehicle until the clutch engages
use the parking brake to hold the vehicle until the clutch engages
You check the power steering and exhaust system, during a pre trip inspection. Which of these problems, if it happens, must be fixed before you start driving the vehicle?
a. oil in the tie rod
b. the steering wheel has a play of movement of 10 degrees (2 inches of a 20 inch steering wheel)
c. gray smoke leaves from the exhaust pipe
the steering wheel has a play of movement of 10 degrees (2 inches of a 20 inch steering wheel)
What happen to the tar over asphalt of the street during hot weather?
a. bled, making the surface of the street slippery
b. it gets gooey, making the wheels stick to the street
c. nothing, it was made for hot weather
bled, making the surface of the street slippery
Which of these is true about the use of drugs while you are driving?
a. prescription drugs are allowed if the doctor says the drugs won’t affect your safety and driving ability
b. prescription or no prescription drugs are not allowed at any time and for any reason
c. the amphetamine used as speed is allowed weather you use it to keep you awake
prescription drugs are allowed if the doctor says the drugs won’t affect your safety and driving ability
The purpose of retarders is
a. help prevent skids
b. apply extra power to non-drive axles
c. help slow down when you drive and reduce the fading of brakes
help slow down when you drive and reduce the fading of brakes
If you have a heavy cargo load who makes you go slowly down on a steeped upgrade you should:
a. leave the street until the traffic decreases
b. drive on the shoulder so other drivers can pass you easily
c. shift to a low gear
shift to a low gear
Which of these lights can’t be verified at the same time?
a. turn signals, stop lights, and four way flashers
b. turn signals, back lights, and clearance lights
c. headlights, stop lights and clearance lights
turn signals, stop lights, and four way flashers
You need to be very careful to keep your vehicle centered on the lane because, commercial vehicles:
a. require much more space to change lanes
b. move side by side
c. more often they are wider than other vehicles
require much more space to change lanes
Where must you keep the shipping papers when you transport hazardous materials?
a. in the door’s bag on the side of the drivers seat
b. under the drivers seat
c. in glove compartment, and it must be locked
in the door’s bag on the side of the drivers seat
Cargo load too long, too wide, and too heavy:
a. requires a special permit of transit
b. can be only driven during the day
c. must travel with police escort
requires a special permit of transit
When you are parking on the other side of the street at night, you should:
a. use your rear lights to warn other drivers
b. turn off your emergency warning equipment in 30 minutes
c. turn on your four way emergency flashers to warn others
turn on your four way emergency flashers to warn others
When sunrise or sunset, rain or snow, it can be hard to see or be seen. You can make a signal to others that you are there when:
a. you turn on the lights inside the cab
b. you use your horn
c. you turn on your low beam headlights
you turn on your low beam headlights
The total weight of the power unit, trailer, and the cargo is called
a. axle gross weight
b. vehicle gross weight
c. combination gross weight
combination gross weight
Which of these sentences about drugs is true?
a. use of drugs can lead to accidents and/or arrest
b. a driver can use any prescription drug while driving
c. some prescription drugs are allowed to reduce fatigue
use of drugs can lead to accidents and/or arrest
You should use your horn when:
a. you want to change lanes
b. it can help you to avoid a crash
c. one car is on your way
it can help you to avoid a crash
When you are closer to a bridge on a two way lane, you should:
a. slow down to 25 mph over the bridge
b. verify the weight limit of the bridge
c. drive on the bridge center
verify the weight limit of the bridge
How do you correct a rear wheel acceleration skid?
a. stop accelerating
b. apply more power to the wheels
c. shift into a lower gear
stop accelerating
The engine brake is maximum when the engine is:
a. below the governors rpm’s and the transmission is in the high shift gears
b. close to the governors rpm’s and the transmission is in the lower shift gears
c. on the governors rpm’s and the transmission is in the lower shift gears
close to the governors rpm’s and the transmission is in the lower shift gears
Which sentence is true?
a. many accidents of heavy vehicles occur between midnight and 6 am
b. most of the hazards are easier to see at night than during the day
c. most of the people are more alert during the night, rather than during the day
many accidents of heavy vehicles occur between midnight and 6am
Which of these is true about bad weather and riving conditions
a. the streets are slippery while there is more rain
b. In low temperatures, the bridges will freeze before the streets
c. driving conditions are more dangerous when the temperature rises more than freezing point
in low temperatures, the bridges will freeze before the streets
What vehicles will have more difficulty to keep on it’s lane during strong winds
a. one double with empty trailers
b. one triple axle vehicle loaded
c. one tractor pulling a full flatbed
one double with empty trailers
What is counter steer?
a. using the steering axle brakes to prevent oversteering
b. turning the steering wheel against the clock wider
c. turning the wheel back in the other direction after steering to avoid a traffic emergency
turning the wheel back in the other direction after steering to avoid a traffic emergency
The first thing to remember about cargo load is to keep it:
a. even in the cargo area
b. in the back area
c. in the front area
even in the cargo area
When you approach the light, and it had been on green for a long time. Which is the best way to approach it?
a. start slowing down to be ready to stop
b. keep the same speed and check to see if the light changes
c. speedup to be sure you will cross the intersection
start slowing down to be ready to stop
Which of these sentences about certain types of cargo is true?
a. Unstable loads such as hanging meat or livestock can require extra caution on curves
b. When liquids are hauled, the tank should always be filled completely full
c. oversize loads can be hauled without special permits during times when the roads are not busy
unstable loads such as hanging meat or livestock can require extra caution on curves
What should you do if you think there is not enough space over your vehicle to pass?
a. look for another route where you don’t need to pass under it
b. slow down slightly and try to pass under it
c. guess the object height if there is no sign posted
look for another route where you don’t need to pass under it
Which of these is a goo thing to remember when crossing or entering traffic with a heavy vehicle?
a. Heavy vehicles need larger gaps in traffic than cars
b. The best way to cross traffic is to pull the vehicle partway across the road and block one lane, while waiting for the other to clear
c. because heavy vehicles are easy to see, you can count on other drivers to move out of your way, or slow down for you
Heavy vehicles need larger gaps in traffic than cars
Which of these is not something you should do if your headlights are not working right?
a. clean your headlights
b. adjust your headlights
c. let on your high beams
let on your high beams
During a pre trip inspection you should check:
a. the battery liquid level would not help to avoid a fire
b. the cargo ventilation would not avoid a fire
c. the insulation would not help avoid a fire
the battery liquid level would not help to avoid a fire
Optional security equipment can include emergency phone numbers, tire chains, and
a. a charged fire extinguisher
b. tire change equipment
c. reflective triangles
tire change equipment
Which of these is not a retarder?
a. electric
b. hydraulic
c. robotic
robotic
Which of these emergency equipment parts should be carried in your vehicle?
a. circuit breakers
b. first aid kit
c. warning devices for parking vehicles
warning devices for parking vehicles
Why is it dangerous an exhaust system is broken?
a. it could cause fire pollution with the exhaust fumes
b. poison gas can enter into the cabin or the sleeper berth
c. strong noise could harm the driver’s ears
poison gas can enter into the cabin or the sleeper berth
Which of these is not a brake inspection that you would make normally during your walk-round inspection?
a. brake adjust
b. leak from hydraulic brake cylinder
c. hoses conditions
brake adjust
Tire chains:
a. they should be used only on drive wheels
b. they should always be available when you drive in winter weather
c. they never should be used on asphalt
they should always be available when you drive in winter weather
Trucks and tractor drivers when transporting cargo must inspect the securement of the cargo within the first:
a. 25 miles of a trip
b. 50 miles of a trip
c. 10 miles of a trip
25 miles of a trip
Which of these sentences about cargo loading is true?
a. state laws dictate legal weight limits
b. the legal maximum weight allowed by a state can be considered safe for all driving conditions
c. if cargo is loaded by the shipper, the driver is not responsible for overloading
state laws dictate legal weight limits
Why can tourists be a hazard?
a. they often drive rented cars
b. they can drive slowly and stop suddenly or change lanes
c. officers don’t give tickets to them
they can drive slowly and stop suddenly or change lanes
You don’t have a hazardous materials approbation in your commercial drivers license. They ask you to send hazardous materials in a placarded vehicle, you should:
a. transport the cargo, but only to the nearest place where a driver with a hazardous materials approbation can take your place
b. transport the cargo, but register a report with the department of transportation after the trip
c. refuse transporting the cargo
refuse transporting the cargo
You are driving slowly a vehicle that could be driven safely at 55 mph on an open road, but the traffic is too heavy, moving at 35 mph with a speed limit of 55mph. The safe speed for your vehicle is probably
a. 25 mph
b. 35 mph
c. 45 mph
35 mph
Retarders
a. can cause the drive wheels to skid when they have poor traction
b. allow you to disconnect the steering axle brakes
c. they cannot be used on interstate highways
can cause the drive wheels to skid when they have poor traction
Implied consent means
a. that you can drink alcohol sometimes
b. that you have given your consent to be tested for alcohol in your blood
c. that you have given your consent for an alcohol vehicle inspection
that you have given your consent to be tested for alcohol in your blood
A car suddenly moves in front of you, making a dangerous situation. Which of these actions should you not take?
a. turn on signals and change lanes to avoid it
b. slow down to prevent a crash
c. tap your horn and stay behind that car
tap your horn and stay behind that car
In case of tire failure, the double tires:
a. will permit you to stop immediately
b. generally will avoid the rear of the vehicle fishtail
c. they can avoid vibrations or thumps
generally will avoid the rear of the vehicle fishtail
When you stop on or by a one-way or divided highway, you should place reflective triangles to:
a. 10 feet, 100 feet and 200 feet toward the approaching traffic
b. 10 feet, 50 feet and 100 feet toward the approaching traffic
c. 10 feet, 100 feet and 50 feet toward the approaching traffic
10 feet, 100 feet and 200 feet toward the approaching traffic
When looking ahead of your vehicle while driving you should look:
a. to the right side of the road
b. straight ahead all the time
c. back and forth, near and far
back and forth, near and far
Scape ramps
a. they are assigned for slowing down the vehicles speed so they can return to the road at safe speed
b. they are not assigned for trucks or double trailers
c. they should be used by any driver who lost their vehicle braking power
they should be used by any driver who lost their vehicle braking power
you are driving a new truck with a manual transmission. What gear will you probably have to use to take a long steep downhill grade?
a. the same gear you would use to climb the hill
b. a lower gear than you would use to climb the hill
c. a higher gear than you would use to climb the hill
a lower gear than you would use to climb the hill
Which of these can be a sign of wheel failure?
a. a strong whistle noise
b. vibration
c. skidding wheels
vibration
The space:
a. in front of your vehicle is the most important to manage
b. behind your vehicle is the most important to manage
c. besides your vehicle is the most important to manage
in front of your vehicle is the most important to manage
you are driving a vehicle at 55 mph on dry pavement. About how much total stopping distance will you need to bring it to stop?
a. twice the length of the vehicle
b. the length of a football field
c. half the length of a football field
the length of a football field
Brake fade
a. can be caused by very cold weather
b. can be caused by the brakes getting very hot
c. can be corrected by letting up on the brakes 1-2 seconds and then putting them on again
can be caused by the brakes getting very hot
What happens when the Blood Alcohol Concentration goes up?
a. judgement an self-control are affected
b. the alcohol effects increase
c. the ringer more clearly sees how alcohol is affecting them
judgement and self-control are affected
You are driving a 40 foot vehicle at 35 mph. The road is dry and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?
a. 5 seconds
b. 4 seconds
c. 3 seconds
4 seconds
For your safety, when setting out reflective triangles you should:
a. hold the triangles between yourself and oncoming traffic
b. hold the triangles to each side of your
c. keep them out of sight while you wold to the spots where you set them out
hold the triangles between yourself and oncoming traffic
You should use your seat belt in a moving vehicle:
a. when you are driving only
b. on the highway only
c. all the time
all the time
Which of these is not a risk of rough acceleration?
a. coupling damage
b. mechanical damage
c. tire damage
tire damage
Which of these actions is not recommended on a left turn?
a. start on the inside lane and move toward the right while you turn
b. use the right lane if there are two turning lanes
c. start your turn from the center of the interseciton
start on the inside lane and move toward the right while you turn
Which sentence is true?
a. most of the hazards are more easy to see in the night than during the day
b. many accidents of heavy vehicles occur between midnight and 6 am
c. most of the people are more alert during the night rather than during the day
many accidents of heavy vehicles occur between midnight and 6 am
After you turn on the engine:
a. the coolant temperature should begin to gradually rise to normal operating temperature
b. the oil pressure gauge should rise between 3-5 minutes to normal level
c. the engine temperature gauge will take 3-5 minutes to reach normal level
the coolant temperature should begin to gradually rise to normal operating temperature
To prevent fading brakes, you should
a. apply pressure to the brakes on a steep downgrades
b. choose a shift gear who keeps your vehicle at safe speed on steep downgrades
c. coast on steep downgrades
choose a shift gear who keeps your vehicle at safe speeds on steep downgrades
When you double your speed, it will take approximately
a. twice as much distance to stop
b. four times as much distance to stop
c. three times as much distance to stop
four times as much distance to stop
Placards must be:
a. placed only in front and rear of the vehicle
b. placed on four sides of the vehicle
c. placed on all vehicles carrying any amount of hazardous materials
placed on four sides of the vehicle
What does help to keep the engine cool in hot weather?
a. driving faster to make more air pass through the radiator
b. making sure there is enough engine oil
c. working with the air conditioner
making sure there is enough engine oil
What is the usual way for a commercial vehicle to make wide turns?
a. Wide-rounding
b. side wideing
c. off tracking
off tracking
Which of these is correct about taking emergency actions or avoid a crash?
a. to turn fast, you must have hold of the steering wheel firmly
b. stopping is always the safe way to handle an emergency
c. generally you can stop faster than turn to avoid an obstacle
to turn fast, you must have hold of the steering wheel firmly
You are checking your lights and suspension system during a pre trip inspection. Which of these is true?
a. spring hangers with cracks but well tied are not dangerous
b. only a leaf spring missing is not dangerous
c. the pedal must not have oil, grease or brake fluid
the pedal must not have oil, grease or brake fluid
which is the most important reason to check the bus or truck?
a. security
b. avoid being fined
c. it’s the law
security
A commercial vehicle
a. is not dangerous if it does not have to turn
b. is not dangerous if it has to reviews without a helper
c. is always dangerous
is always dangerous
Which of these is not a good rule to follow when caring for the injured at an accident scene?
a. move severely injured person if there is danger
b. if a qualified person is helping you, who asks you for help
c. keep severely injured person under cool temperatures
keep severely injured person under cool temperature
Which of these sentences about double clutching and shifting is true?
a. double clutching should only be used with a heavy load
b. you can use the tachometer to tell you the to shift
c. double clutching should not be used when the road is slippery
you can use the tachometer to tell you when to shift
You should signal continuously when you turn, because:
a. most of the vehicles have turn signals that go off automatically
b. it is illegal to turn signals off before you complete your turn
c. you need both hands on the steering wheel to turn safely
you need both hands on the steering wheel to turn safely
You are driving on a straight highway at 50 mph, there is no vehicles ahead of you, suddenly there is a tire blow out of your vehicle. What should you do first?
a. brake before the vehicle stops
b. start up braking smoothly
c. start up emergency braking
start up braking smoothly
Most of the skids are because of
a. driving too fast for the driving conditions
b. an uneven load
c. make a turn too fast
driving too fast for the driving conditions
the best drivers are those who keep alert to stop in case of any hazards
a. to be at defensive
b. at offensive
c. at preventive
to be at defensive
The driver’s manual says, why should you limit the use of your horn.
a. you can startle other drivers
b. you should hold the steering wheel firmly with both hands all the time
c. the air brake vehicle can use air pressure that is necessary to stop[ the vehicle
a. you can startle other drivers
For a first offense of driving a commercial vehicle under alcohol or drug influence, you will at least lose your cdl for:
a. 6 months
b. 2 years
c. 1 year
1 year
When there is a vehicle fire, move the vehicles off the road and
a. keep the fire without letting it expand
b. extinguish the fire
c. call the emergency services
call the emergency services
Which of these is true about checking your tires before a trip.
a. radial and bias-ply wheels can be used together in the same vehicle
b. 4/32 inches of tread depth of the tire is secure for the front wheels
c. Uneven wheels can be used in the same vehicle
4/32 inches of tread depth of the tire is secure for the front wheels
You should try to park when
a. there is a curve next to your vehicle at least
b. your vehicle was protected by trees or other kind of hangin object
c. it can move forward when you go away
it can move forward when you go away
What is the proper way to hold a steering wheel?
a. both hands close together, near the top of the wheel
b. both hands close together, near the bottom of the wheel
c. both hands on opposite sides of the wheel
both hands on opposite sides of the wheel
Which of these sentences about brakes is true?
a. brake fading is not because of the heat
b. brake drums cool very quickly when the vehicle is moving very fast
c. the heavier a vehicle or the faster it is moving, the more heat the brakes have to absorb to stop it
the heavier a vehicle or the faster it is moving, the more heat the brakes have to absorb to stop it
You should apply the brakes to turn on the flashing lights of brakes
a. a police car approaching to you by the other direction
b. the driver behind you is too close to your back
c. you are almost ready to leave from the road and you need to slow down
you are almost ready to leave from the road and you need to slow down
If you have to make an inspection report of the vehicle you must sign it
a. only when defects are found and it is certified to be fixed
b. when any defect was found even if it was certified to be fixed or there is no need to be fixed
c. only when defects are found and certified for not fixed
when any defect was found even if it was certified to be fixed or there is not need to be fixed
What is the first thing you should do, if the brakes fail on a steep downgrade
a. leave the street as soon as possible
b. try to use the parking brakes
c. call or use your brakes to ask for help
leave the street as soon as possible
How does the vehicle weight affect when you stop?
a. empty trucks can take more distance to stop than full ones
b. the effect normally is not for passenger buses fully loaded
c. fully loaded buses take more distance to stop
empty trucks can take more distance to stop than full ones
- The drivers’s manual suggest many things to do when you pass a vehicle. Which of these is not true?
a. tap slightly on the horn
b. wait until the other driver can see you
c. at night turn on your high beams before passing and keep them on until you were passed completely
wait until the other driver can see you
A complete stop is required before a rail road cross when
a. the cargo kind requires the stop to be obligatory under federal or state regulations
b. there is not workers with warning signals flags on the cross
c. the cross is at the enter of the town or city with frequent traffic
the cargo kid requires the stop to be obligatory under federal or state regulations
Strong winds affect driving more:
a. when coming out of tunnels
b. on very sharp curves
c. on open highways
when coming out of tunnels
When the roads are slippery, you should
a. shorten the distance you see ahead of your vehicle
b. stop and test the traction while going up hills
c. make turns as gently as possible
make turns as gently as possible
Stab braking
a. it should be used only with hydraulic brakes
b. involve to lock up the wheels for short times
c. it is used to keep your vehicle in a straight line if it becomes necessary
it is used to keep your vehicle in a straight line if it becomes necessary
How far ahead of your vehicle should a driver look while driving?
a. 12 to 15 seconds
b. 5 t0 8 seconds
c. 1 to 2 seconds
12 to 15 seconds
The medicines used to receive colds
a. should be used only when you drive during the day
b. still it can be used while you drive, if you take only the half of a regular dose
c. often makes the driver drowsy and for that reason it should not be used while driving
often makes the driver drowsy and for that reason it should not be used while driving
To correct a drive-wheel braking skid, you should:
a. stop braking
b. stop braking, turn quickly and counter steer
c. increase braking, turn quickly and countersteer
stop braking, turn quickly and countersteer
You don’t have hazardous materials endorsement on your commercial drivers license. You can drive a vehicle hauling hazardous materials when:
a. a person who has the hazardous materials endorsement rides with you
b. the gvwr is 26001 pounds or less
c. the vehicle does not require placards
the vehicle does not require placards
What holds air pressure in the air brake system?
a. air compressor belt
b. water/pump belt
c. alternator belt
d. steering wheel belt
air compressor belt
When you drive by working areas you should
a. turn your lights off
b. slow down only if the workers are near the road
c. be careful with potholes
be careful with potholes
If you are forced to return to the road before you can stop on the shoulder, the best way to do this is:
a. drive on the shoulder until you get to the next exit and pull back into the road
b. using your mirrors and turn signals move sideline gradually towards the road
c. using your mirrors and turn signals, turn sharply enough to get right back on the road
using your mirrors and turn signals, turn sharply enough to get right back on the road
Which of these occurs when a tire blows up at highway speed
a. a whistler
b. a vibration feeling
c. the speed decrease faster at least 20 mph
a vibration feeling
Which of these is a hazard when you cross rail roads on ground roads
a. your tires may get stuck in the ground and you cannot cross the railroads
b. the ground under the rail road may not be stable
c. you can almost get stuck on the rail road
you can almost get stuck on the rail road
What does “emergency braking” mean
a. push the brake pedal as hard as you can
b. use the emergency brake of the vehicle
c. respond to a hazard, slowing down the vehicle speed
respond to a hazard, slowing down the vehicle speed
Which of these sentences about vehicle fires causes is true?
a. use of a fire extinguisher properly charged with help you to prevent a fire
b. improper trailer ventilation may cause the cargo to catch fire
c. wrong air pressure tires won’t cause a vehicle fire
improper trailer ventilation may cause the cargo to catch fire
You are checking your tires for a pre trip inspection. Which of these is true?
a. radial and bias-ply tires can be used together on the same vehicle
b. rise mismatched sizes should not be used on the same vehicle
c. a tread depth of 2/32 inch is safe for the front tires
tires mismatched sizes should not be used on the same vehicle
Which of these is specially true about your tires in hot weather?
a. you should check the rise mounting and air pressure before driving
b. release a little amount of air so the air pressure can keep constant
c. if a tire is too hot to be touched you should put water on it with a hose
you should check the rise mounting and air pressure before driving
When you drive on the mountains, you need to use a lower gear to drive safely on the cliffs, It won’t affect your gear selection
a. type of tire tread
b. load weight
c. length of the cliff
type of tire tread
Which of these are generally right when driving thru tunnels
a. speed is limited to 30 mph or less
b. headlights are required by law
c. there could be crosswinds
headlights are required by law
The dry build merchandise tanks require special care because:
a. it can easily catch on fire
b. that load can get displaced (change of place)
c. can only be filled to the middle
that load can get displaced (change of place)
What is hydroplaning
a. is less likely if tire pressure is low
b. it cannot happen
c. it can occur when driving through a puddle
it can occur when driving through a puddle
You have been put out of service 24 hours, if your blood alcohol concentration is
a. any detectable amount
b. at least .04%
c. at least .02%
at least .04%
You have to stop on a steep grade or curve on a two lane road and two ways, how far do you have to place warning devices so other drives can see your vehicle?
a. within 250 feet behind the vehicle
b. the necessary so that other drivers can see your vehicle
c. within 500 feet behind your vehicle
within 500 feet behind your vehicle
When you turn on a bus on a level ground with good traction, there is no need of:
a. wheel inspection
b. hand brake
c. slow acceleration
hand brake
You should avoid driving though deep puddles or flowing water, but if you have to do it. Which of these steps an help your brake working
a. turn on your brake heaters
b. applying hard pressure on both, the brake pedal and accelerator after coming out of the water
c. gently putting on the brakes while driving through the water
gently putting on the brakes while driving through the water
Which of these is not a required knowledge for drivers needing the hazardous material endorsement
a. when using a placard
b. basic chemistry
c. what products can be loaded together
basic chemistry
You need at least
a. 4/32 inches of tread depth on your front wheels
b. 2/32 inches of tread depth on your front wheels
c. 6/32 inches of tread depth on your front wheels
4/32 inches of tread depth on your front wheels
Why is it important to make the right shift gear
a. keep the engine oil running
b. keep the vehicle controlled
c. keep the engine hot
keep the vehicle controlled
If you have to cross toward the oncoming lane while you turn, you should
a. change to reverse to allow the approaching traffic to pass
b. complete your turn without stopping
c. watch for traffic coming towards you
watch for traffic coming towards you
Which of these is true about on duty (service) time
a. you must rest after driving every 2 hours
b. you should balance your on duty (service) time with enough sleeping time to be alert
c. after working 1000 hrs of service time, you will be free of some regulations
you should balance your on duty (service) time with enough sleeping time to be alert
You should use your mirrors to check
a. blind spots
b. if your lights are working correctly
c. where is the rear of your vehicle while turning
where is the rear of your vehicle while turning
Tractor exhaust pipes
a. help avoid damage to vehicles
b. it can not be used by some kind of heavy trucks
c. they are not for buses
they are not for buses
Which of these probably wouldn’t help if your windshield was covered with ice
a. scraper
b. defroster
c. brush
brush
When you are driving in a very heavy fog, you should:
a. drive slowly to avoid being hit by other vehicles
b. drive with your low or high beams
c. stop on the rest area or truck stop, until the fog is light
stop on the rest area or truck stop, until the fog is light
Shows a picture of a man looking at the tires, he is checking:
a. in front 2/32, if it’s safe
b. unlevel tires
c. the tires because the tire increase or decrease depends on the temperature
unlevel tires
If your truck has a dual air brake system working correctly, and air tanks of minimum capacity the air pressure should build up form 85 psi to 100 psi in:
a. 30 seconds
b. 45 seconds
c. 60 seconds
45 seconds
Which of these is not the correct time to put on the parking brakes
a. you are going to be parking by less than one hour
b. if you are going to check the parking brake to be sure that you can stop the vehicle
c. if the brakes are too hot, for example after going down on long steep downgrades
if the brakes are too hot, for example after going down a long steep downgrades
During normal driving, the spring brakes are holding by:
a. air pressure
b. bolts
c. spring pressure
air pressure
Which of these is a good thing to do when steering to avoid a crash
a. do not turn any more than needed to avoid it
b. apply the brakes while you turn
c. avoid countersteer
do not turn any more than needed to avoid it
If you need to leave the road in a traffic emergency, you should
a. try to get all the wheels off the pavement
b. on the road sides the most of the shoulders cannot support large vehicles
c. avoid braking until your speed had dropped to about 20 mph
avoid braking until your speed has dropped to about 20 mph
Which of these sentences about accelerating is true.
a. use the trailer brake when you start moving
b. rough acceleration can cause mechanical damage
c. you should feel a jerking movement if you are accelerating roughly
rough acceleration can cause mechanical damage
Which of these is true about the radiator shutters and winter front on winter driving
a. the winter front must be closed tightly
b. ice must be cleaned of radiator shutters
c. the engine can overheat if you let the winter front open
ice must be cleaned of radiator shutters
Which of these is not part of a motor behavior inspection, previous to a trip
a. a worn out isolation protection of the electrical cables
b. space between the valves
c. the level of the engine oil
space between the valves
Which one is right about the adjustment of the mirrors.
a. you should adjust your mirrors before starting
b. the mirrors can be adjusted correctly even if the trailer is not straight
c. you can adjust your mirrors while driving
you should adjust your mirrors before starting
A truck increases his speed in a cliff because:
a. gravity force
b. force of the load
c. the engine turns freely
gravity force
Which of these is true about using a heater
a. if you feel drowsy, warming your cabin will keep you alert
b. you must have at least an extra heater, like a mirror heater, battery box cleaner, or a fuel tank heater, when driving under freezing temperatures
c. when driving in winter weather, you should check that the heater is working properly before you start driving
when driving in winter weather, you should check that the heater is working properly before you start driving
Convex mirrors
a. make things look closer than what they really are
b. show a wider area than flat mirrors
c. make things look larger than what they really are
show a wider area than flat mirrors
Which of these is true about hazardous materials?
a. any hazardous material presents a threat for safety and health
b. any public road allows trucks hauling hazardous materials, if they are loaded correctly
c. any truck hauling any amount of hazardous materials must have placards
any hazardous material presents a threat for safety and health
To prevent a collision, you had to drive toward the right shoulder. You are driving at 40 mph on a side of the road. How should you get back into the road.
a. if the shoulder is free, stay on it until your vehicle stops. then go back on the asphalt when it’s safe
b. put foot on the brakes strongly to slow down your vehicle, then turn sharply into the asphalt
c. keep the same speed and turn very gently back into asphalt
if the shoulder is freezing, stay on it until your vehicle stops. then go back on the asphalt when it’s safe
When crossing rail road, which could get trailers stuck?
a. double rail
b. you could change gears to cross railroad
c. when you cross fast
double rail
Who is responsible for the cargo load when it is overweight?
a. the driver
b. the carrier
c. the merchandise owner
the merchandise owner
What alcohol percentage cyst the driver have to be put out of service?
a. any percent
b. 0.2%
c. 0.1%
any percent
