H CDL Practice
The most important hand signal that you and a helper should agree on is... "Go" "faster" "stop" "turn up the music"
"Stop"
Where should you place your warning devices if you must stop on a one-way road or divided highway? 100 feet, 200 feet, and 300 feet toward approaching traffic 10 feet, 100 feet, 200 feet toward approaching traffic 20, 50, 10 feet toward approaching traffic 50 feet, 100 feet, 150 feet toward approaching traffic
10 feet, 100 feet, 200 feet toward approaching traffic
How far ahead should you look while driving? 10-12 seconds 12-15 seconds 7-12 seconds 5-10 seconds
12-15 seconds
How many tie-downs are required for a 20-foot load? 2 3 1 4
2
If you are traveling at 55mph in a 30-foot vehicle, you should leave how many seconds of following distance? 4 seconds 6 seconds 3 seconds 7 seconds
4 seconds
If you double your speed, how much more distance will you take to break to a stop? 3 times as much 5 times as much 2 times as much 4 times as much
4 times as much
The minimum tire tread depth for front tires is... ⅜ inch ½ inch 1/32 inch 4/32 inch
4/32
How often must you stop to check cargo while on the road? after each break you take every three hours or 150 miles within the first 50 miles all of the above
All of the above
When you start to drive down a steep down grade, which of the following should influence your choice of speed? the total weight of your vehicle and its cargo the steepness of the grade the road conditions all of the above
All of the above
How can you determine if your vehicle is equipped with an antilock braking system(ABS)? check if your vehicle was manufactured after march 1, 1988 look for wheel speed sensor wires that are coming from the rear of your breaks check for a yellow ABS malefaction lamp All of the above can work
All of the above can work
Which of the following statements about retarders are correct? you should turn the retarder off whenever the road is wet, icy, or snow-covered when your drive wheels are poor traction, the retarder may cause them to skid retarders help slow a vehicle, reducing the need for braking all of the above statements are true
All of the above statements are true
Which of the following should you not do if you experience a tire failure? Brake hard and immediately stay off the brake pedal be aware that a tire has failure hold the steering wheel firmly
Brake hard and imediately
To maintain alertness on your trips, you should... get 8-9 hrs. of sleep beforehand avoid medications that causes drowsiness schedule your trips for the daytime hours do all of the above
Do all fo the above
How can you start moving without rolling backward? engage the clutch before removing your foot from the brake apply the trailer brake hand valve set the parking brake whenever necessary do all of the above
Do all of the above
If you are confronted by on aggressive driver, what should you do? ignore rude gestures and refuse to react negatively call the police from your cell phone if you can do it safely avoid eye contact do all of the above
Do all of the above
Signs of distracted drivers include... drivers listening to overly loud music drivers having conversations with passengers vehicles exiting the roadway vehicles constantly traveling above the speed limit
Drivers having conversations with passengers
Which is not one of the four basic skills that operating a commercial motor vehicle requires? Basic safety steering accelerating First-aid certification
First-aid certification
While driving at night, which lights should you use as after as you can? emergency flashers novelty lights high beams low beams
High beams
You should inspect wheel bearings seal for... broken leaf springs leaks twisted axels tears
Leaks
Do empty trucks have the best braking? yes, but only on wet surfaces no yes yes, but only if the trucks are newer than 1998
No
If the engine is not overheated, it is completely safe to remove the radiator cap? yes, as long as the radiator isn't damaged yes, as long as there is no overload no yes
No
Which of the following is most likely to cause a vehicle fire? flammable cargo with proper ventilation short circuits and loose connections driver smoking in a rest area spilled fuel cleaned up quickly & properly
Short circuits and loose connections
Hazardous materials placards are... Signs on the inside of the vehicle that remind the driver of what he/she is carrying Signs on the outside of the vehicle that identify the hazard class of the cargo Signs that help tax collectors determine how much to tax a hazardous cargo sign s that warm the public to stay at least 1,000 feet from the vehicle
Signs on the outside of the vehicle that identify the hazard class of the cargo
What will help a drunk sober up? time coffee a glass of water fresh air
Time
What is common cause of the tire fires? under-inflated tires cold tires overinflated tires all the above
Under-inflated tires
What is the definition of a hazard? something you must stop for something you can safely ignore a road user or road condition that presents a possible danger something you can easily avoid
a road user or road condition that presents a possible danger
your emergency kit does NOT need to included... spare electrical fuses a spare jacket a fire extinguisher warning devices
a spare jacket
Which of these is NOT part of the basic method for shifting up? releasing the clutch releasing the clutch and pressing the accelerator at the same time accelerating while pressing the clutch and turning toward the driver's side pushing in the clutch and shifting into a higher gear at the same time
accelerating while pressing the clutch and turning toward the driver's side
It has just reached freezing. Which of the following areas may be slippery? a wet looking road a shaded area a bridge all fo the above
all of the above
You don't want to be a distracted driver, so you... reads maps or use your phone only when there are no other vehicles around you eat, drink, and smoke. only in straight portions of the road have all of your emotionally difficult conversations in the 1st hr. of driving avoid using your cell phone until you reach your destination
avoid using your cell phone until you reach your destination
Why is it important to use a help when backing? because you have blind spots because people feel more comfortable when you do because you are providing a job for someone else for all of the above reasons
because you have blind spots
To transport cargo safely, which of the following are NOT responsible for? Make sure that cargo is properly strapped recognizing possible overloads ensuring the freshness of sealed cargo ensuring the safely of the cargo
ensuring the freshness of sealed cargo
Why should you cover your cargo? because many states require it to protect individuals from any spilled cargo to protect you cargo from bad weather for all the above reasons
for all the reasons above
Which of the following is a key steering componet? torque rod bearing plate leaf spring gear box
gear box
Letting the air out of hot tires... will cool them down. you will be able to continue your trip sooner will have no effect at all is a good idea b/c the extra pressure will be relieved is a bad idea b/c when the tires cool off, the pressure will be too low
is a bad idea b/c when the tires cool off, the pressure will be too low
Which of the following statements about an escape ramp is true? it may be made of soft gravel it may turn uphill it may be located a few miles from the top of a downgrade it is no use if you are traveling too fast
it is no use if you are traveling too fast
An antilock braking system(ABS) will... keep your wheels from locking when you brake hard let you drive faster increase your vehicle stopping power shorten your stopping distance
keep your wheels from locking when you brake hard
How long does it take a typical tractor-trailer to clear a double railroad track? more than 15 seconds 10 seconds more than 30 seconds 14 seconds
more than 15 seconds
Total stopping distance equals... reaction distance+braking distance braking distance+stopping distance reaction distance+viewing distance+braking distance perception distance+reaction distance+braking distance
perception distance+reaction distance+braking distance
If you feel drowsy while driving, what should you do? open the windows for some fresh air drink a cup of coffee pull off to the side of the road and get some sleep drink energy drinks
pull off to the side of the road and get some sleep
What can you do at an accident to help avoid another accident? Stay in your vehicle and do nothing until help arrives set out warning devices to keep other vehicles from running into the accident scene have a drink to calm your nerves leave your vehicle, do nothing, and get to high ground
set out warning devices to keep other vehicles from running into the accident scene
You should put the starter switch key into your pocket while you perform the pre-trip inspection because... someone could steal the truck it could damage the stating mechanism someone could start and move the truck any of the above could occur
someone could start and move the truck
What might happen if you swing wide to the left before you turn right? someone might try to pass you on your left you might damage your leaf spring someone might try to pass you on your right all of the above
someone might try to pass you on your right
In which of the Following two situations should you downshift? starting up a hill and finishing a curve starting up a hill and entering a curve starting downhill and finishing a curve starting down a hill and entering a curve
starting down a hill and entering a curve
Which of the following is NOT something you should check during a trip? tires text messages mirrors cargo and cargo covers
text messages
Before transporting a sealed load, you must check... a picture of whatever is inside that you don't exceed gross weight or axle weight limits a small sample of whatever is inside all of the above
that you don't exceed gross weight or axle weight limits
What is the best way to figure out how many seconds of the following distance you have? wait until the vehicle ahead of you passes a shadow or landmark. then count the seconds until you reach it to use the stopwatch in your cell phone to determine how long it takes you to reach a mile marker after the vehicle in front of you has passed it gets 1/4 closer to the vehicle in front of you, then back off again. multiple how long this took you by 4 to give the following distance send a test msg. to a friend, to text you back in 10 sec. See how far you have traveled in that time
wait until the vehicle ahead of you passes a shadow or landmark. then count the seconds until you reach it
On which of the following types of fires should you NOT use a B:C fire extinguisher? wood electrical grease gasoline
wood
Always try to back toward the driver's side because... it is more comfortable for turning your neck you can see better, watching the rear of the vehicle from the side window your truck will probably pull toward the driver's side all of the above are tru
you can see better, watching the vehicles rear from the side window
