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CDL 4
  • Javier Reyes

  • 問題数 60 • 10/25/2023

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    問題一覧

  • 1

    what are some behaviors that may indicate an impaired driver

    an SUV weaves from Lane to Lane without using turn signals

  • 2

    a cmv's component (brake tire springs etc) are designed to work best when

    the vehicle is fully loaded

  • 3

    what primary factor should help you determine what gear to select while traveling up steep grades?

    all of the above.

  • 4

    three basic causes of skidding and jackknifing are:

    over accelerating, over breaking, and oversteering,

  • 5

    it takes approximately _________ for 53 ft, 80,000 lb tractor trailer to cross a single railroad track.

    14 seconds

  • 6

    what should you do if the warning lights at a crossing begin to flash after you have started to cross the tracks?

    maintain your speed and keep moving forward

  • 7

    why is it important to be sure your fuel tank is topped off when adverse weather conditions are predicted?

    it can help ensure you don't run out of fuel and get stranded in a dangerous situation

  • 8

    if there are two lanes available for a left turn:

    all of the above

  • 9

    when an incoming vehicle has your high beam headlights on it night, you should

    look at the white line on the right side of the road

  • 10

    how does a heavy load impact the clearance distance below your trailer

    it reduces the clearance distance below

  • 11

    if you're being tailgated, what are some actions you should take to stay safe

    stay to the right

  • 12

    which of the following are considered highway rail grade crossing offenses

    failing to have sufficient space to drive completely through the crossing without stopping

  • 13

    why is proper space management so important

    you will be able to make a positional adjustments when unsafe conditions arise

  • 14

    if you're driving a CMV that is required to stop at a railroad crossing, you must stop ___________ the tracks.

    within 50 ft of, and no closer than 15 ft to.

  • 15

    if you can't ignore a distraction what should you do?

    d. both A and b

  • 16

    if you encounter a distracted driver who isn't on there handheld cell phone what are some actions you can take to ensure your own safety?

    move to the right (if you can safely) to encourage the driver to pass you

  • 17

    how does traveling at higher speeds affect your cmv's total stopping distance?

    it increases your braking distance

  • 18

    you should slow to at least ______ mph below the posted speed limit when entering a curve

    5

  • 19

    which of the following vehicles are required to stop at highway rail grade crossings?

    d. both A and b

  • 20

    on a downgrade your vehicle is working _____gravity resulting in a ______ in speed

    with, increase

  • 21

    your __________is the distance a vehicle travels from the time you see a hazard until your brain recognizes it

    perception distance

  • 22

    visibility at night is limited. what actions can you take to ensure you are able to see as well as possible?

    all of the above

  • 23

    What is it called when you don't actually see something, even though it's right there in your line of sight. You fail to comprehend seeing it because your attention isn't focused. Your mind has wandered elsewhere

    inattention blindness

  • 24

    at night, how should you adjust your following distance?

    increase it by at least one second

  • 25

    which of the following statements is true about texting while driving?

    the effects of texting while driving are the same as being intoxicated.

  • 26

    what is the result of two or more convictions of excessive speeding 15 mph over the speed limit

    all of the above

  • 27

    when you are making a right turn,____ __ before starting a turn

    pull your tractor trailer straight into the intersection

  • 28

    if convicted of a highway rail grade crossing offense will operating a CMV for the third time in less than 3 years, what is the disqualification period

    1 year period

  • 29

    when traveling on the roads with sharp curves, how should you adjust your speed

    reduce your speed by at least 5-10 mph

  • 30

    what are some ways the exact same road may look completely different from day to night?

    your headlights can't bend around curves.

  • 31

    you can help reduce distracted driving by committing to not drive while you're distracted, watching out for distracted drivers around you, and

    responding by managing distracted drivers once you spot them

  • 32

    if your vehicle gets stuck on a railroad track, what should be your very first step?

    get out of the vehicle immediately.

  • 33

    how can you tell if there are multiple tracks at a single crossing

    assign indicating the number of tracks will be on the post below the crossbuck

  • 34

    if you're driving you're 70 ft rig at 65 mph in good weather conditions and minimal traffic, you should leave ______ seconds between you and the car ahead of you

    8.

  • 35

    your low beam headlight to enable you to see _______ feet ahead and high beam headlights about _____ feet ahead at night.

    250, 350 to 500

  • 36

    what two factors are affected most by extreme weather conditions

    traction and visibility

  • 37

    what is the best way to deal with a distracted driver

    create a safety cushion between you and the distracted driver

  • 38

    round, yellow sign with a large x and the letters RR accompanied by smaller rectangular sign that reads exempt means

    a stop is not required except when a train is approaching the crossing

  • 39

    if your engine doesn't start, stop cranking it after ______ seconds and check for problems with fuel tank dashed lines electrical systems and battery

    15

  • 40

    if your vehicle breaks down in cold, windy conditions, what can you do to keep yourself safe?

    d. both A and b

  • 41

    to ensure other drivers see you and your truck at night

    use your turn signals for every turn or Lane change so your intentions are always clear

  • 42

    how is your vision different at night?

    your eyes struggle adjusting from light to dark/dark to light

  • 43

    an example of a _______ distraction is eating a cheeseburger and fries while driving down the road

    physical.

  • 44

    what are some items you should have in your cab for your protection and safety when traveling during the winter months

    all of the above

  • 45

    if you are unable to maintain a safe following distance when driving in heavy traffic, it's best to travel _________ the surrounding vehicles

    three to four miles per hour less than

  • 46

    what measures can you take to help prevent heat related illnesses

    all of the above

  • 47

    what danger can foreign objects in the road pose

    d. both A and c

  • 48

    to help avoid fatigue while driving at night, you should

    stop at regular intervals to rest or stretch.

  • 49

    it is acceptable to use your cruise control

    when conditions are ideal, and only if your carrier allows it

  • 50

    tire chains placed on _______ improve traction for downhill braking.

    the trailer wheels

  • 51

    visual distractions are

    those that lure our eyes away from the road

  • 52

    how does a dirty windshield affect driving at night

    lights from oncoming traffic can hit it and create a glare

  • 53

    the minimum clearing distance for any overpasses you may encounter on your route is __________ if your trailer is 13'6 tall

    14-14'2

  • 54

    which of the following signs might indicate a distracted driver

    changing their speed erratically for no apparent reason

  • 55

    how can you ensure a cushion on either side of your vehicle?

    Don't hug the center line in case you drift to the left

  • 56

    which of the following are signs another driver is distracted

    all of the above.

  • 57

    according to the fmcsa, which of the following actions may be permissible when driving a CMV

    answering a hands-free cell phone by touching a single button

  • 58

    Who should you call first if your vehicle stills out on railroad tracks?

    emergency number posted or 911

  • 59

    tire chains are most effective on

    heavy snow.

  • 60

    keeping both hands on the wheel in the ________ position will enable you to respond quickly to potential hazards, including distract drivers

    d. either A or b