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CDL idaho
northwest lineman college idaho cdl air brakes general knowledge combination
62
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Not Applicable
02/05/2015

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Cards

Term
What is the most important reason for doing a vehicle inspection?
Definition
Safety for yourself other drivers and pedestrians is the most important reason you inspect your
vehicle.
Term
What things should you check during a trip?
Definition
Watch the gauges for signs of trouble. Use your senses to check for problems. (look, listen,smell,feel) Tires, wheels and rims. Brakes. Lights and reflectors. Brake and electrical connections to trailer.Trailer coupling devices. Cargo restraining devices(cargo bars, chains, binders,straps,rope, etc.)
Term
Name some key steering system parts.
Definition
Tie rod, steering shaft, power steering cylinder, steering arm, hydraulic fluid resevoir, gear box, pitman arm, drag link, steering knuckle, spindle, Steering Wheel.
Term
4. Name some suspension system defects.
Definition
Check spring hangers to ensure they do not allow movement of the axle from its proper position. Check for cracked or broken spring hangers. Check for missing or broken leaves in any leaf spring. If 1/4 or more of the leaves are missing it will put the vehicle "out of service". Any broken or missing spring is a defect that could be dangerous. Check for broken leaves in a multi-leaf spring or leaves that have shifted so they might hit a tire or other part of the vehicle. Check for leaking or broken shock absorbers. Check the torque rod or arm, u­bolts, spring hangers, or other axle positioning parts to ensure they are not cracked, damaged, or missing. Check air suspension systems for damage and/or leaks. Check for any loose, cracked, broken, or missing framemembers.
Term
What 3 kinds of emergency equipment must you have?
Definition
Fire extinguisher, Spare electrical fuses(unless equipped with circuit breakers), 3 reflective warning triangles.
Term
What is the minimum tread depth for front tires?
Definition
4/32
Term
minimum tread depth for tires besides rear
Definition
2/32
Term
What should wheel bearing seals be checked for?
Definition
leaking oil
Term
how many reflective triangles should you carry?
Definition
3
Term
How do you test hydraulic brakes for leaks?
Definition
Pump the brake pedal 3 times, apply a firm pressure to the pedal and hold it for 5 seconds. The pedal should not move.
Term
Why put the starter switch key in your pocket during the pre­trip inspection?
Definition
Safety, so the truck can not be started while you are inspecting it.
Term
Why should you back towards the drivers side?
Definition
so you could see better
Term
if stopped on a hill, how can you start moving without rolling back?
Definition
put the parking brake on whenever necessary to keep from rolling back. Release the parking brake only when you have applied enough engine power to keep from rolling back
Term
when backing, why is it important to use a helper
Definition
there are blind spots you cant see and vehicles and pedestrians can move into your path without you knowing they are there.
Term
whats the most important hand signal that you and your helper should agree upon
Definition
STOP
Term
What are the 2 special conditions where you should downshift
Definition
before starting down a hill, make sure you are in a low enough gear. Before entering a curve, slow the vehicle down to a safe speed and downshift to the right gear before entering the curve
Term
when should you downshift automatic transmissions
Definition
you can select a low range to get greater engine braking when going down grades
Term
retarders keep you from skidding when the road is slipper t
true or false
Definition
flase
Term
what are the two ways to know when to shift
Definition
use engine speed [RPM], use road speed [MPH]
Term
How far ahead does the manual say you should look while driving
Definition
12- 15 seconds ahead, at lower speeds that about 1 block, at highway speeds its about 1/4 mile
Term
what are two main things to look for ahead
Definition
look for vehicles coming onto the highway into your lane or turning. Watch for brake lights from slowing vehicles, because stopping or changing lanes can take alot of distance
Term
whats your most important way to see the sides and rear of your vehicle
Definition
check your mirrors regularly and even more often than normal in special situations(heavy traffic etc.)
Term
WHAT DOES "COMMUNICATING" MEAN IN SAFE DRIVING
Definition
signaling what you intend to do. Signal early, signal continuously, cancel your signal. Lange changes, trouble ahead, tight turns, stopping on the road, driving slowly.
Term
where should warning devices be placed when stopped on a divided highway
Definition
10 feet, 100 feet and 200 feet toward the approaching traffic. Undivided highway is 10 feet from front or rear corners to mark the location of the vehicle and 100 feet behind and ahead of the vehicle
Term
what 3 things add up to total stopping distance
Definition
perception distance + reaction distance + braking distance = total stopping distance
Term
if you go twice as fast, will your stopping time increase by two or four times
Definition
whenever you double your speed it takes about four times as much distance to stop
Term
empty trucks have the best braking

true or false
Definition
false because empty trucks require a greater stopping distance because the vehicle has less traction
Term
what is hydroplaning
Definition
hydroplaning is like water skiing, tires lose contact with the road and have little to not traction
Term
what is black ice
Definition
black ice is a thin layer that is clear enough that you can see the road underneath it, it makes the road look wet
Term
How do you find out how many seconds of following distance space you have
Definition
one good rule says you need at least one second for each 10 feet of vehicle length at speed below 40 mph. 40 foot vehicle is 4 seconds ahead, 60 foot vehicle is 6 seconds ahead. Over 40 you need 5 seconds for a 40 foot vehicle and 7 seconds
Term
if you are driving a 30 foot vehicle at 55 mph, how many seconds of following distance should you allow
Definition
4 seconds
Term
you should decrease your following distance if somebody is following you too closely true or false
Definition
false
Term
if you swing wide left before turning right, another driver may try to pass you on the right
true or false
Definition
true
Term
what is a hazard
Definition
any road condition or other road user that is possible danger
Term
why make emergency plans when you see a hazard
Definition
you should always look for hazards and continue to learn to see hazards on road as they may turn into emergencies. so you should plan a way out
Term
you should use low beams whenever you can true or false
Definition
false
Term
what should you do before you drive if you are drowsy
Definition
sleep
Term
what effects can wet brakes cause and how can you avoid these
Definition
can cause brakes to be weak causes lack of breaking and lockups
Term
you should let air out of hot tires so the pressure goes back to normal true or false
Definition
false
Term
you can safely remove the radiator cap as long as the engine isn't overheated true or false
Definition
false
Term
what factors determine your selection of a "safe" speed when going down a long, sleep downgrade.
Definition
total weight of vehicle and cargo, length of grade, steepness of the grade, road conditions weather
Term
describe the proper braking technique when going down a long, steep downgrade
Definition
slow down to 5 mph below your safe speed and release when your speed has increase, repeat
Term
what types of vehicles get stuck on railroad-highway crossing
Definition
low slung units (low boys, car carrier, livestock trailer)
Term
how long does it take for a typical tractor trailer unit to clear a double track
Definition
at least 14 seconds for a single track and more than 15 seconds to clear a double
Term
stopping is not always the safest thing to do in an emergency true or false
Definition
false
Term
what are some advantages of going right instead of left around an obstacle
Definition
if shoulder is clear, going right may be the best because someone may pass you on the left
Term
what is an escape ramp
Definition
ramps that are located a few miles from top of downgrade to stop trucks that are out of control
Term
if a tire blows out, you should put brakes on hard to stop quickly true or false
Definition
false
Term
how do you know if your vehicle has antilock brakes
Definition
yellow abs malfunction lamps
Term
do you keep driving if your abs light comes on or stop at a nearest shop
Definition
stop at nearest shop
Term
what are some things to do at an accident scene to prevent another accident
Definition
protect the area, notify the authorities, care for injured
Term
name 2 causes of tire fires
Definition
under inflated tires and duals that touch
Term
what kind of fires is a B.C extinguisher not good for
Definition
wood, paper, ordinary combustibles
Term
when using extinguisher should you get as close as possible to the fire
Definition
no stay as far as ever away from the fire
Term
name some causes of vehicle fires
Definition
spilled fuel, short circuits, leaking fuel and lines
Term
Common medicines for colds can make you feel sleepy true or false
Definition
true
Term
what should you do if you become sleepy while driving
Definition
when your body needs sleep, sleep is the only thing that will work
Term
what is a hazardous material placard
Definition
signs put on the outside of vehicle that identify hazard of the cargo.
Term
how many placards should be placed on trailer
Definition
4
front, rear, and both sides
Term
why are placards used
Definition
display information of contents of cargo
Term
how to stop sleep debt
Definition
sleep it off
Term
signs of drowsy driving
Definition
your eyes close or go in and out of focus or if you have trouble keeping your head up yawning etc
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