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Who must obtain a CDL?
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What are the classes of Commercial Drivers Licenses (CDL)?
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| Question | Answer |
|---|---|
| Who must obtain a CDL? | Any operator of a: •CMV with a GCWR of 26,001 lbs. or more. •vehicle required by federal regulation to be placarded while transporting hazardous material. •vehicle designed to carry 16 or more persons, including the driver |
| What are the classes of Commercial Drivers Licenses (CDL)? | Class A - Combination vehicles with a GCWR of 26,001 or more pounds Class B - Single Vehicles with a GCWR of 26,001 or more lbs. |
| What endorsements are available to CDL operators and what is their letter designation? | Charter Bus (C) Combination Tank and Hazardous Material (X) Double/Triple Trailers (T) Passenger Vehicle (P) School Bus (S) Tank Vehicles (N) Vehicles carrying hazardous Material (H) |
| What is the minimum tire tread depth on a CMV? | 4/32nd of an inch on front or steer tires 2/32nd of an inch on all other tires |
| Will broken leaf springs put a truck out of service (OOS) on a road side inspection? | If 1/4 of the springs are cracked or missing it meets the OOS condition. |
| What are the 3 types of emergency equipment required on a CMV? | •A properly charged (and secured) fire extinguisher •Three red triangles •Spare fuses, unless the vehicle is equipped with circuit breakers |
| What are the two main causes of tire fires on a CMV? | •Under-inflated tires •Dual tires that are touching |
| What are two main items to check for when pre-tripping the wheels on a CMV? | •Loose or missing lug nuts •Wetness stemming from the center hub |
| What is the safest way to begin a backing maneuver? | Whenever possible, practice G.O.A.L: Get Out And Look. Walk around the vehicle to make sure there are no unseen obstacles that create a hazard. |
| When is the safest time to downshift when going downhill? | It is safest to choose the proper gear before descending a hill. Choose a gear that will keep the vehicle at a safe speed, without requiring the driver to ride the brakes. |
| How can you communicate with other drivers while driving? | Use the vehicle lights and signals, along with eye contact, in order to communicate. If necessary, use the vehicle horn as well. |
| What is an effective way to find out if roads may be icing up? | Roll down the driver’s window and feel the front of the mirror or antenna for ice build up. This will be an indication that conditions are right for ice to form on the road. |
| Is it always safe to travel at the maximum posted speed? | No, posted maximum speeds are generally for passenger vehicles traveling under optimal conditions. |
| What is “hydroplaning”? | What is the most common type of turning accident in a CMV? |
| When should you first inspect your vehicle? | You should always inspect your vehicle before starting your trip to look for any potential problems. |
| During a trip, how often should your vehicle be inspected? | Your vehicle should be inspected after the first 50 miles and also every 150 miles or every 3 hours. |
| Of the following, which are the most critical vehicle items you should check when doing an inspection? | Among several other things, critical things to check on vehicle inspection include: tires (pressure, tread), brakes and lights (make sure they all turn on/off when needed). |
| What is the correct amount of tread needed on your tires? | Tire tread on the front tires of your vehicle should be at least 4/32 of an inch. The other tires can have 2/32 inch tread. |
| What is the greatest amount of play that should be in your steering wheel? | 2 inches/10 degrees |
| When preforming a pretrip inspection, why is it a good idea to do it exactly the same way every time? | It is important to maintain the same routine every time you preform a pretrip vehicle inspection because you are least likely to forget something. |
| What is a Vehicle Inspection Report? | A report written by the driver that notes the condition of the truck and any items that may need to be repaired. |
| If a vehicle is equipped with circuit breakers, should you carry spare fuses? | No, this is not necessary. |
| Which of the following may put a vehicle out of service? | Spring leaves with more than 1/4 missing or broken |
| Should I check the level of my oils during a test? | Yes, this is a regular part of pretrip inspection. |
| Of the following options, which are the most important to check for stickiness or looseness? | Windshield wipers |
| What emergency equipment should you ensure to have with you in your cab? | Triangles and a fire extinguisher |
| If the vehicle you are driving has hydraulic brakes, how do you test for leaks? | Pump the brake pedal three times, then firmly push the pedal for 5 seconds. |
| Can a truck still be driven if a safety issue is found during insepection? | No, never. |
| What is included in a windshield check? | Damage check, cleaning, wiper/wiper arm check |
| What is the best hand position when driving? | 3 o’clock and 9 o’clock |
| When should you check your mirrors when starting and completing a lane change? | You should check your mirrors before, during, and after your lane change. |
| What is a special condition in which you should downshift your vehicle? | What is a special condition in which you should downshift your vehicle? |
| Why is it important to downshift when entering a curve? | To help retain vehicle power and maintain vehicle control |
| When should retarder brakes be turned off? | On wet, icy, or snow-covered roads |
| At highway speeds, what distance should a driver look ahead? | Drivers should look ahead 12 seconds to 15 seconds or a quarter of a mile. |
| When you are parked along a divided highway, at what distances should you place your warning devices? | Warning devices should be placed at 10, 100, and 200 feet in the direction of oncoming traffic. |
| In instances when you are parked on the side of the road and oncoming traffic cannot see you within 500 feet, where should you place warning devices? | Before the curve, turn, or hill that prevents drivers from seeing your vehicle |
| When is it recommended that you slow your speed by about half the normal amount? | Your speed should be slowed by about half when driving on packed snow. |
| When driving in hot weather, how often should you check your tires? | Your tires should be checked every 100 miles or every 2 hours. |
| Why should you only remove your radiator cap when the system is cool? | The radiator system is under pressure and you can get burned. |
| How regularly should you check your cargo? | After every 3 hours or 150 miles you drive and after every break |
| What does the acronym GVW stand for? | Gross Vehicle Weight |
| Where can you find a tire’s load? | On the side of each tire |
| Which of the following is not a likely effect of overloading a truck? | Overloading a vehicle makes it more likely the vehicle will stall. |
| What is the most important reason for putting lighter cargo on top of heavier cargo when loading a truck? | To avoid tipping over when swerving/avoiding a hazard |
| What is the purpose of blocking and bracing? | To prevent sliding/movement of the cargo |
| What is the required strength of tie-downs? | Strong enough to lift 1 1/2 the weight of the cargo |
| What is the main purpose of header boards? | To protect the driver from moving cargo |
| Which of the following does not have a high center of gravity? | Livestock |
| When do tank vehicles require special attention? | When driving and loading |
| Which of the following is not a true statement regarding covered cargo? | You should regularly inspect the contents of sealed loads. |
| What shape are placards used for transporting hazardous materials? | Diamond |
| Which of the following is an incorrect definition? | Confused drivers — drivers who don’t understand how to drive a vehicle |
| What are the most important considerations you should take when selecting a safe speed? | Vehicle and cargo weight, length and steepness of grade, road conditions, and weather |
| In relation to impaired driving, what does the acronym BAC stand for? | Blood Alcohol Concentration |
| What is the best course of action to take when you become sleepy on the road? | Find somewhere safe and suitable to stop and take a nap. |
| Regarding fire safety, which of the following is the correct list of items you should check during your pre-trip inspection? | Tires, cargo, fuel, electrical, exhaust systems, fire extinguisher |
| In the event of a fire, which would be the first thing you would do? | Pull off the road. |
| You come upon an accident and somebody is severely injured. Which of the following should you not do? | Try to move them out of the vehicle. |
| Which of these is not a cause of skidding? | Turning round a sharp corner |
| Which of the following will not correct a drive-wheel braking skid? | Sharply braking |
| What is the difference between a vehicle emergency and a traffic emergency? | Traffic emergencies are where two vehicles are about to collide; vehicle emergencies occur when critical components of a car fail. |
| Which of these is not a sign of an impaired driver? | Paying attention to a mobile phone |
| Which of these statements about railroad crossings is false? | You should be able to hear a train approaching in your own approach to the tracks. |
Created by:
Irenezem