Illinois CDL general knowledge practice test Flashcards

Illinois CDL general knowledge practice test Flashcards about how far can you expect to see with high beam headlights?350 to 500 feet Reguarding wheels and rimsrust may mean loose lug nuts perception distance is the distanceyou travel in about 3/4 second, you can see down the road what is the most important thing to consider in going down long steep hills?going slowly how do you know when to shift gearsuse the engine speed, RPM, use road speed(mph), by listening to the engine's whine if you must drive through deep standing water apply gentle pressure to brakes as you drive through the water Vehicles can be declared out of service for being overloaded It's best to hold the steering wheel at the _ o'clock position3 and 9 sudden braking or lane changesare likely to cause a crash good driversshift their attention back and forth, near and far a vehicle displaying a red triangle with an orange center, islimited to 25 mph or less a vehicle shall not be driven wheneverany of the required lights or reflectors are inoperable If you are convicted for drunk driving twice, you will lose your CDL for life The ___ is responsible for not over-loading the vehicledriver At highway speed it's important to look far ahead becausestopping takes a lot of room, lane changes take a lot of room, and you want to be prepared and reduce the risk of danger Two serious traffic violations in three years can mean no CDL for at least 60 days tread pattern on the front tires should be at least ___ deep?2/32" you have lost power, you turned on the 4-way emergency

flashers and coast onto the shoulder. Warning devices:

shall be put in place within 10 munutes by keeping both hands on the steering wheel at all timesyou will be ready for emergencies other than front tires, the tread pattern shall be at least ___ deep?2/32" if your brakes get very hot they willfade the B:C type of fire extinguisher can be used to fight fires inelectrical equipment and liquids

before slowing down, signal by:a few light taps on the brake pedal

under ideal condition, the shortest total stopping distance at 55 mph would be about 300 feet when it's below freezing and the road looks wet watch out for black ice Driving and taking a drug which makes you slightly drowsy or relaces you is against the law Poor weight balancecan make handling unsafe in order to have space available when something goes wrong, you should manage the space around you vehicle

Types of retardersexhaust, hydraulic, electric when your body needs sleepsleep is the only solution when it's hard to see, in the daytimeuse low beam headlights when driving bear work zones, warn drivers behind you with 4-way flashers or brake lights Hydroplaing is life water-skiing, andcan occur at speeds as low as 30 mph, is agggravated by low tire pressure, and is aggrivated by worn tire treads roads will be most slipperyjust after it starts to rain down-shifting before entering a curvelets you speed up as soon as you come out of the curve which of the following is likely to save your life when you feel drowsy?taking a nap seeing hazards earlylets you prepare, act and reduce danger in most states slow moving vehiclesmay use there emergency flashers when should the clutch be used?when shifting gears escape ramps aremade to stop runaway vehicles at night, low beam headlightsmay be used in fog or dust, shall be used within 500 feet of an on-coming vehicle, shall be used when following another vehicle within 500 feet once you rach the safe speed for going down a hill, what should you do?start light, steady, brake pressure if you travel alongside other vehiclesyou'll be trapped traffic emergencies occur whentwo vehicles are about to crash any motor vehicle found in unsage mechanical conditionmay be put out of service until it is fixed why are there grooves in tiresto carry water away Vehicle inspections are madeto make sure vehicles are safe with an engine fireturn the engine off ASAP, don't open the hood, shoot extingushers through the louvers how many seconds should a 30 ft long vehicle going 50 mph stay behind other vehicles?4 safe driversturn their lights on when they have trouble seeing others driver slower whenthe lighting is poor your vehicle has hydraulic brakes. When approaching an intersection press the brake pedal and it goes to the floor board without slowing you down. What should you do?shift to a lower gear, pump the brakes, applu the parking brake while pressing the release button, look for an escape route Braking distance can be reduced byslowing down a little Blocking is used tokeep cargo from sliding if you enter a curve too fastyou may skid off the road, you may roll over What should you carry on your person while driveing an interstate?Medical certification backing isalways dangerous Gross weight is the vehicle weightas driven, loaded slightly melted iceis more slippery than hard frozed ice when it is very hottires; overheating, blowouts and fires are a real danger, make sure that the engine cooling system has antifreeze installed, watch for bleeding tar, which causes a very

slippery surface Three serious traffic violations in three years can mean no CDL for at least 120 days

when you are about to pass a vehicleassume they don't see you Down-shiftingshould be done before you start down a hill if an oncoming vehicle drifts into your lane a move to the right is best in am emergency braking situation:remember! If you begin to skid you will loose control of the vehicle.reaction distance is the distanceyou travel in 3/4 second you have been driving on a very hot road and your tires are too hot to touch, what should you do?wait for the tires to cool down before getting back on the road

In the most common type of skid, the drive wheels:usually slide sideways

Hazards can quickly turn into emergencies. Expert drivers:look for hazards in order to have time to plan a way out of any emergency The safest way to handle a curve is toaccelerate slightly in the curve who has primary resposibility for making sure that cargo is properly secured?driver if your drive wheels start to spintake your foot off the accelerator Normally a driver should inspect their load within 25 miles after starting a trip, when a change of duty status is made and every (1) hours or (2) miles, whichever comes first

(1) 3 (2) 150

it takes 100 feet to stop a vehicle at 30 mph, what distance is needed at 60 mph?400 feet your right wheels have dropped off the edge of the road onto the gravel shoulder. You have to get back on the road.

The best thing to do is:

turn sharply to the left then countersteer when both front wheels are on the pavement

Water can be used to put out:tire fires

all vehicles must carrya fire extingusher, spare electrical fuses, and tire chains Going 15 mph over the speed limit isa serious traffic violation retardershelp slow a vehicle, thus reducing the need for using the brakes in heavy traffic it is safer togo with the flow of traffic when someone is helping you back upwork out hand signals before starting vehicle emergencies happen whencritical parts fail There are 9 hazard classes. They:reflect the risks associated with a particular material.retarders, put braking power onthe drive wheels, only If your vehicle catches on firepark in an open area The suspension systemholds up the vehicle, supports the load, keeps the axles in place In vehicles with electrical systems protected by fusescarry at least one spare of each size and rating used Vehicles carrying aby amount of hazardous materialsmust have shipping papers readily available if you roll back when starting upyou may hit someone behind you You might have tire failure when:you hear a loud bang, steering becomes heavy, the vehicle vibrates heavily when testing hydraulic brakes you should pump the pedal three times, apply firm pressure and hold for 5 seconds, the pedal should not move when you are being tailgatedopen up room in front of you