Colorado CDL Questions and Answers Rated A+

Colorado CDL Questions and Answers Rated A+ You must have a CDL to operate 1) a single vehicle with a GVWR of 26,001 lbs or more 2) a combination vehicle with a GCWR of 26,001 lbs or more provided the vehicles being towed is in excess of 10,000lbs 3)a vehicle designed to transport 16 or more passengers (including the driver) Recreational Vehicles When used for recreational purposes, a motor home which truck or motor home is used exclusively for pleasure, enjoyment, other recreational purposes, or family transportation of the owner, lessee, or occupant and is not used to transport cargo or passengers for profit, hire or otherwise in any business or commercial enterprise. Class A Combination vehicles Class B Heavy Straight Vehicles - Any straight vehicle with a GVWR of 26,001 lbs or more Class C Small Vehicles How old must you be to apply for a CDL? 18 Illegal BAC? .04% You will use your CDL for one year if.... 1)your BAC is higher than .04% while driving a CMV 2)driving under alcohol without undergoing testing 3) driving under the influence of a controlled substance 4)leaving the scene of an accident in a CMV 5) committing a felony involving the use of a CMV 6) causing a fatality while operating a CMV 7)driving under previous violations Under what conditions would you have a 24 hour suspension? If your BAC is between . to .04% Can you make a call while driving No Can you text while driving No Do you have to wear a safety belt at all times? Yes What constitutes for good tires 4/32 inch tread depth in every major groove on front tires. 2/32 inch tread depth on other tires. No fabric should show through the tire What is not prohibited on tires? Re-grooved, recapped, or retreated tires on the front wheels of the bus. What emergency equipment should the vehicle be equipped with? 1) fire extinguishers 2)spare electrical fuses (unless equipped with circuit breakers) 3)Warning devices for parked vehicles (3 reflective warning triangles or 6 fuses or 3 liquid burning flares) What should you check during a vehicle inspection -instruments -air pressure if you have air breaks -temp gauge -pressure gauge -ammeter/voltmeter -mirrors -tires -cargo/cargo covers anything that looks, smells, sounds or feels funky If you are transporting cargo you must inspect the cargo within the first _____________ miles or a trip and every ____________ miles or every __________ hours (whichever comes first) to en-sure it is secured. 50; 150; 3 Saftey rules of backing safely 1)Start in proper position, look at your path 2) Uses mirrors on both sides, back slowly 3) back and turn toward the driver's side whenever possible 4) use a helper whenever possible Retarders they help slow a vehicle by reducing your break wear How far ahead should you look? 12-15 seconds ahead lower speeds - one block higher speeds - .25 mile how should you shift your attention while driving back and forth, near and far When should you check your mirrors? -before you change lanes to make sure there is enough room -after you have signaled to make sure there is enough room -after you have signaled, to check that no one has moved into your blind spot. -right after you start the lane change, to double-check that your path is clear -after you complete the lane change When parked on the side of the road - turn on four way emergency flashers -at night, place warning devices within 10ft of the front or rear corners and 100ft to the front and back if on a straight road -if on a curved road, place warning devices between 100-500ft Stopping distance Perception distance + reaction distance + braking distance = total stopping distance perception distance the distance your vehicle travels, in ideal conditions; from the time your eyes see a hazard until your brain recognizes it. avg: 1.75 sec reaction distance the distance you will continue to travel before you physically hit the brakes, in response to a hazard seen ahead avg: .75-1 sec at 55 mph braking sitnce the distance your vehicle will travel while you are breaking avg: 216' at 55mph total stopping distance the total minimum distance your vehicle has traveled with everything considered until you can bring your vehicle to a complete stop. when you double your speed, the impact is ________ times greater and breaking distance is ____________ times longer 4x, 4x when you triple your speed, the impact and breaking distance is __________ greater 9x hydroplaning tires lose their contact with the road and have little or no traction -regain control by releasing the accelerator and pushing in the clutch (do NOT use brakes) speed on downgrade select a speed based on the weight of the vehicle/cargo, length of grade, steepness of grade, road conditions and weather How much space should be in front of you? One second for each 10' of vehicle length at speeds below 40mph Add 1 second above 40mph -40 foot truck under 40mph - 4 seconds -50 foot truck over 40 mph - 6 seconds -60 foot truck under 40 mph - 6 seconds Space behind don't speed up - it's safer avoid tricks - don't turn on your taillights or flash your brake lights Right turns -turn slow -turn wide as you complete the turn, if you have to go into another lane, keep the rear close to the curb -DON'T turn wide left as you start the turn -watch out if you have to turn into the oncoming lane, don't back up for anyone left turns reach the center of the intersection before you make the left turn signs of fatigue -difficulty focusing, heavy eyelids -yawning -day-dreaming -trouble remembering the last few miles driven -trouble keeping head up -drifting from your lane -feeling restless and irritable *this is the major cause of fatal accidents headlights low beams - 250' high beams- 250-500' adjust your speed to keep your stopping distance within your sight distance high beams use them when you are within 500' of another vehicle air pressure ____________ with temperature increases passive crossings you must recognize the crossing and decide to cross safely active crossings has a traffic control device advance warning signs round, black on yellow sign in front of a railroad crossing pavement markings an "X" with "RR" and indicates a no passing zone leading up to the railroad cross buck signs require a yield to the right-a-way of the train flashing red light signals stop when the lights are flashing, a train is approaching you must yield to the right-a-way of the train gates stop when the lights begin to flash and the gate comes down a full stop is required at railroad crossings when -you are driving a school bus -you are driving hazardous materials *turn on your four-way emergency flashers crossing the tracks -if you don't slow down you could get hung up on the tracks -don't shift gears while crossing the railroad tracks What can get caught on raised crossings? -low slung units -single-axle tractor pulling a long trailer with its landing gear set to accommodate a tandem-axle tractor Brake fading/failure -can happen due to heat if you use them too much -affected by adjustment -must be checked frequently because they can fade fast if in an emergency, where do you steer to avoid an accident? to the right shoulder controlled braking apply the brakes as hard as you can without locking the wheels continue to steer stab braking apply your brakes all the way and release brakes when wheels lock up. As soon as they start rolling apply them again. --- don't slam on the breaks as hard as you can, this could cause skidding brake failure due to.... -loss of hydraulic pressure -brake fade on long hills Antilock braking system -lets you know when your wheels will lock up and helps you keep your vehicle in control -sensors detect potential wheel lock up and then decrease brake pressure to avoid lockup -works faster than the driver What must have ABS? truck tractors with air brakes built after March 1, 1997 other air brake vehicles built on or after March 1, 1998 When you brake with ABS it should be _____________ than you always have. the same Accident Procedures protect the area notify the authorities care for the injured Causes of fire after accidents: spilled fuel tires: under inflated tires and duals that touch electrical system: short circuits due to damaged insulation fuel: driver smoking, improper fueling, loose fuel connections cargo: flammable cargo Class-O-Fires A: wood/paper B:Gas, oil C:electrical equipment fires D: combustible metals Type of extinguisher A: multipurpose dry chemical, water, water w/antifreeze, loaded steam water, sometimes foam B: regular dry chemical, multipurpose dry chemical, KCL dry chemical, Dry carbon dioxide, halogenated agent (gas), loaded steam water, foam C:regular dry chemical, multipurpose dry chemical, KCL dry chemical, dry carbon dioxide, gas halogenated agent D: purple K dry chemical, dry powder special compound placards put on the outside of the vehicle that id the hazard class of the cargo 4x Gross Vehicle Weight Rating the value specified by the manufacturer as the loaded weight of a single vehicle Gross Combination Weight Rating the value specified by the manufacturer of the power unit, if the value is displayed on the Federal Motor Vehicle Safety Standard certification label; or the sum of the gross vehicle weight ratings or the gross vehicle weights of the power unit and towed units or any combo thereof that produces the highest value Cargo should have at least one tie-down for each ________ feet of cargo. And there should be at least ________ tie-downs holding it. 10; 2 2 reasons for covering cargo 1. to protect people from spilled cargo 2. to protect the cargo from weather parts of the bus that must be working handhold's and railings floor covering signaling devices emergency exit handles seats Busses must never carry -poison gas -more than 100lbs of solid class 6 poisons or explosives in the same space as people -radioactive material in the same space as people -more than 500lbs of allowed hazardous material Standee Line 2" line on the floor showing riders where they cannot stand in regards to the driver's seat prohibited practices -don't refuel with riders on board -don't talk to riders or get distracted while driving -don't tow or push a disabled bus with riders on board the vehicle