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GENERAL KNOWLEGE
| Question | Answer |
|---|---|
| Which of these is not a type of retarder? | Robotic |
| Trucks and buses are subject to certain laws, regulations and inspections. Which of these is true? | Laws and restrictions can vary from place to place |
| When approaching a bridge on a 2 lane road, you should: | Check the weight limit of the bridge |
| Which of these statements is true? | Many heavy vehicle accidents occur between midnight and 6 am |
| Which of these statements about an inspection of suspension components is true? | Axle mounts should be checked at each point they are secured to the vehicles frame and axles |
| You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is true? | Brake shoes should not have oil, grease or brake fluid on them |
| Why may tourists be a hazard? | They may move slowly, change lanes unexpectedly or stop suddenly |
| What keeps an engine cool in hot weather driving? | Proper engine oil level |
| Cargo inspection | Should be performed after every break you take while driving |
| A vehicle is loaded with very little weight on the drive axle. What may happen? | Poor traction |
| If your vehicle catches fire while you are driving, you should: | Park in an open area |
| Turn signals should be used: | At least 100 feet before turning or changing lanes |
| When should you test your parking brake? | While the vehicle is parked |
| Should brake adjustment be checked often? | Yes, because the brakes can get out of adjustment when they are used a lot |
| Which of these is true about mirror adjusting? | You should adjust your mirrors before starting a trip |
| When you are driving on a snow packed road, you should reduce your speed by: | 1/2, HALF |
| The bridge formula: | Permits less maximum axle weight for the axles that are closer together |
| Which of these is true about hours of service? | You should allow enough hours to rest |
| Which of these is true about the use of drugs while driving? | Prescription drugs are allowed if a doctor says they will not affect driving ability |
| Which of these is true about proper use of a steering wheel? | If you do not hold a wheel with both hands it could pull away from you |
| When does a helper need to be used to back your vehicle? | Whenever you have to back |
| You should signal continuously while turning because: | You need both hands on the wheel to turn safely |
| Which of these should be tested on a vehicle to stop? | Service brakes |
| Which of these about alcohol is not true? | A drinker can control how fast his body absorbs alcohol |
| Over weight, over- sized loads: | Require special permits |
| Which of these pieces of emergency equipment should always be carried in your vehicle? | Warning devices for parking vehicle |
| In mountain driving, you should go slow for safety. Which of these is most important? | Weight of the vehicle |
| You must keep the papers related to hazardous material you are hauling: | In the pouch of the drivers door |
| You will be placed out of service for 24 hours if your blood alcohol level is at least: | Any detectable amount |
| You should park so that: | You can pull forward when you leave |
| Which of these statements is true about the use of an engine brake? | The use of engine brakes on a downgrade adds to the braking effect of the engine |
| After starting the engine: | The oil pressure gage should be read right to normal |
| When you double your speed, your vehicle has about how many times the striking power in a crash? | 4 |
| If you do not have a CB radio, what procedure should you do at an accident scene? | Protect the area |
| A hazard: | Is any road user or road condition that is a possible danger |
| You are driving a heavy vehicle. You must exit a highway using an off ramp that curves downhill. You should: | Slow down to 5 mph below the posted speed limit |
| Which of these rigs have more chance to offtrack while turning? | Tractor with 45 foot trailer |
| How much space is needed in front of you while driving on a highway? | 1 second for each 10 feet of vehicle length |
| Medicine used to treat the common cold: | Often makes you sleepy and should not be used while driving |
| Which of these should you NOT do in an emergency situation? | It is not important how you brake in an emergency situation |
| The primary cause of fatal crashes is: | Driving too fast |
| A car suddenly cuts in front of you, creating a hazard. Which of these actions should you NOT take? | Slow down to prevent a crash |
| Why does your speed naturally increase on downgrades? | Gravity |
| During the vehicle inspection, checking of___ __will NOT prevent a fire: | Battery fluid level |
| When is it necessary to learn how a fire extinguisher works? | Before the fire happens |
| What is the most important reason for inspecting your truck or bus? | Safety |
| Why is it important to shift gears correctly? | To keep control of the vehicle |
| What three distances add up to total stopping distance of your truck or bus? | Perception distance, reaction distance, braking distance |
| Extra care is needed to keep you vehicle centered in your lane because commercial vehicles: | Are often wider than other vehicles |
| You should lightly apply your brakes to flash your brake lights if: | You are about to exit the road and need to slow down |
| Merging onto a road is safest if you: | Wait for a large enough gap in traffic to enter the road |
| Which of these is NOT something you should do if your headlights are not working properly? | Leave your high beams on |
| Which of these statements about backing a heavy vehicle is NOT true? | Because you cannot see, you should back slowly until you bump into the dock |
| What does emergency braking mean? | Responding to a hazard by slowing the vehicle |
| Which of these is true about notifying authorities after an accident occurs? | If you have a CB radio or phone, you should notify authorities before exiting the vehicle |
| If you are not sure what to use to put out a hazardous materials fire, you should: | Wait for firefighters |
| Which of these is NOT a danger of rough acceleration? | Tire damage |
| Which of these lights cannot be checked at the same time? | Turn signals, brake lights, 4 way flashers |
| You are inspecting hydraulic brakes. You should pump the brake pedal 3 times then apply firm pressure to the pedal for 5 seconds. If the brakes are working properly, the pedal should: | Not move |
| Drivers of trucks and tractor- trailers carrying cargo must check that the cargo is well secured within the first ____ miles of a trip: | 50 |
| When starting a bus on a level surface with good traction, there is often no need for: | Parking brakes |
| Parking brakes | Empty trucks take longer to stop than loaded ones, but this is not normally the case for buses |
| Empty trucks take longer to stop than loaded ones, but this is not normally the case for buses | Vehicle will fishtail |
| Most skids: | Are caused by going too fast or trying to stop too quickly |
| In bad weather, many car drivers tailgate large vehicles. What should you do? | Speed up to distance yourself from the tailgater |
| Which of the following items should receive extra attention during winter weather inspections? | Exhaust |
| In mountain driving, you will have to use a lower gear to drive safely on a grade. Which of these does NOT affect your choice of gear? | Tire tread depth |
| What should you do before driving in mountains? | Know escape ramp locations along your way |
| Which of these is true about tires and hot weather? | You should check tire pressure before driving |
| You drive through heavy rain or snow. You can hardly see outside your vehicle. You can let other drivers know you’re there by: | Turning on your low beam headlights |
| To prevent a load from shifting, there should be at least one tie down for every ____ feet of cargo: | 10 |
| While driving, ice builds up on your wipers and they no longer clean the windshield. You should: | Stop safely and fix the problem |
| When hydraulic brakes fail while you are driving, the system will not build up pressure and the pedal will feel spongy or go to the floor. What should you do? | Pump the brake pedal to generate pressure |
| Which may be a sign of tire failure? | Vibration |
| If you are stopped at a roadside rest area and found to have a BAC (blood alcohol concentration) of 0.02, you will: | Be placed out of service for 24 hours |
| Which of the following statements about speed management is true? | If you double your speed, stopping distance will increase by 4 times |
| Which of these vehicles will have the longest stopping distance? | Bobtail tractor |
| How many red reflective triangles are you required to carry? | 3 |
| What is counter steering? | Turning the wheel back in the other direction after steering to avoid a traffic emergency |
| Which of these statements about backing a heavy vehicle is true? | You should avoid backing whenever you can |
| Which of these statements about marking a stopped vehicle is true? | If a hill or curve stops drivers behind you from seeing your vehicle within 500 feet, the rear reflective triangle should be moved down the road to give adequate warning |
| Which of these best describes how you should use the brake pedal on a steep downhill grade? | Light steady pressure |
| Which of these is true about hauling hazardous materials? | Such a load should be marked with 4 inch diamond shaped labels on the containers |
| Which of these vehicles will have the most difficulties staying in its lane during strong winds? | A double with an empty trailer |
| Which of these is true about radiator shudders and the winterfront during winter driving? | Ice should be removed from the radiator shudder |
| What kind of optional equipment (except tire wrench) could be in your vehicle? | Battery charger |
| Which of these does not provide extra gears on some trucks? | Automatic transmission |
| Which of these is true about tire pressure? | Tire air pressure increases with the temperature |
| You are driving a vehicle that makes wide turns. You want to turn left from one 2 lane 2 way street onto another 2 lane 2 way street. You should: | Begin turning your vehicle when you are halfway through the intersection |
| You must drive on a slippery road. Which of these is a good thing to do in such a situation? | Slow down gradually |
| Which of these statements about acceleration is true? | Rough acceleration can cause mechanical damage |
| Which of these statements about brakes is true? | The heavier the vehicle or the faster it is moving, the more heat the brakes have to absorb to stop it |
| High beams should be: | Used when it is safe and legal to do so |
| The marking on a vehicle in front of you is a red triangle with an orange center. What does this marking mean? | It may be a slow moving vehicle |
| Which of these is NOT part of the pre- trip inspection of the engine compartment? | Valve clearance |
| The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation? | Stop driving as soon as you can safely do so |
| When you are passing another vehicle, Pedestrian or bicycle, you should assume that: | They may be moving into your traffic lane |
| In your mirror, you see a car approaching from the rear. The next time you check your mirror, you do not see the car. If you wish to change lanes, you should: | Wait to change lanes until you are sure the car is not in your blind spot |
| Which of these is the proper way to signal for a lane change? | Signal early and change lanes slowly and smoothly |
| You are driving in an area with few street lights. If you cannot see well with your headlights, which of these actions may help you? | Use your high beams when legal and keep your interior lights off |
| Which of these is not required knowledge of drivers needing a hazardous materials endorsement? | Basic chemistry |
| To determine blood alcohol concentration level for a person it is necessary to know: | How much a person weighs |
| Implied consent means: | You are giving your consent to be tested for alcohol in your blood |
| The braking effect of the engine is greatest when the engine is ____ the governed RPM and the transmission is in a ____ gear: | Near, lower |
| Which of these is not a brake check you normally do during your walk around inspection? | Brake adjustment |
| One can recognize hazardous materials by looking on the container: | Labels |
| You do not have a hazardous materials endorsement on your commercial drivers license. You can drive a vehicle hauling hazardous materials when: | The vehicle does not require placards |
| If you have a heavy load that is slowing you down on an upgrade, you should: | Shift to a lower gear |
| The new BAC (blood alcohol concentration) for commercial drivers to be intoxicated is: | 0.04 |
| Where should the ignition key be during your pre trip inspection? | In your pocket |
| What should be true about other drivers? | Short term or daily rental truck drivers are often not used to the limited vision and pose a hazard |
| Which is NOT true about bad weather and driving conditions? | The road is more slippery when the rain continues than when it begins |
| Which of these statements about vehicle fire hazards is true? | Poor cargo ventilation can cause cargo to catch on fire |
| You should wear a seatbelt in a moving vehicle: | All the time |
| Controlled braking is: | Applying the brakes hard without locking them up |
| Which of these is true about a commercial vehicles habit of swinging wide on turns? | Off tracking |
| Which of these is true about driving in a tunnel? | There may be strong winds when exiting |
| You should use your horn when: | It helps to avoid a crash |
| The tread depth on front axle (steering) tires should be: | Not less than 4/32 inch |
| Your vehicle will be put out of service if ___ or more leaves in any leaf spring are missing: | 1/4 |
| If your brakes fail on a downgrade, you must first: | Find an escape ramp in order to exit the roadway |
| You should always turn on your emergency 4 way flashers when you: | Park on the side of the road |
| To avoid an accident, you moved to the shoulder. To return to the road: | Using mirrors and turn signals, turn sharply to get back on the road |
| Which of these would NOT help if your windshield is covered with ice? | Brush |
| You are driving a 40 foot vehicle at 55 MPH. The road is dry and visibility is good. What is the least amount of space you should have in front of your vehicle | 5 seconds |
| What should you do if a driver coming towards you at night keeps his high beams on? | Look at the right lane or edge markings on the road |
| When you are starting to move up a hill from a stop: | Release the parking brakes as you apply engine power |
| What is true about using a heater? | When driving in winter weather, you should check that the heater is working properly before starting your trip |
| Why is a damaged exhaust system a danger? | Poisonous fumes can enter the cab or sleeping compartment |
| Which of these is NOT a danger when forcing an automatic transmission into a lower gear at high speed? | A loss of engine braking effect |
| Stab braking should not be used on a vehicle with: | Antilock brakes |
| Perception distance is the distance your vehicle travels from the time: | The eyes see a hazard to the time the brain knows that it is a hazard |
| Traffic is heavy on a road with a 55 mph speed limit and traffic is moving 35 mph. The safest speed for your vehicle is: | 35 MPH |
| Which of these statements about using turn signals is true? | When turning, you should signal early |
| Which of these statements about double clutching and shifting is true? | You can use the tachometer to tell you when to shift |
| You are starting your vehicle from a stop. As you apply power, the drive wheels start to spin. You should: | Take your foot off the accelerator |
| Which of these is the most important thing to remember about emergency braking? | If the wheels are skidding, you cannot control your vehicle |
| Which of these statements about tires and hot weather driving is true? | You should inspect your tires every 2 hours or 100 miles when driving in very hot weather |
| Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time? | You can almost always turn to miss an obstacle more quickly than you can stop |
| You must park on the side of a level, straight 4 lane divided highway. Where should you place the reflective triangles? | One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear |
| You are driving on a 2 lane road. An oncoming driver drifts into your lane and is heading straight for you. Which of these is the best action to take? | Steer to the right |
| Brake fade: | Can be caused by the brakes getting very hot |
| As the blood alcohol concentration goes up, what happens? | Judgement and self control are affected |
| Hydroplaning: | Is more likely if tire pressure is low |
| If you are being tailgated, you should: | Increase your following distance |
| You do not have a hazardous materials endorsement on your commercial drivers license. You are asked to deliver hazardous material in a placarded vehicle. You should: | Refuse to haul the load |
| Which of these statements about staying alert to drive is true? | Sleep is the only thing that can overcome fatigue |
| Your vehicle has hydraulic brakes. While traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true? | Pumping the brake pedal may bring the pressure up so you can stop the vehicle |
| You are driving a vehicle at 55 MPH on dry pavement. About how much distance will you need to bring it to a stop? | The length of a football field |
| A full stop is required at a railroad crossing when: | The nature of the cargo makes a stop mandatory under state of federal regulations |
| When driving at night, you should use your low beams when an oncoming vehicle is within how many feet? | 500 |
| When driving through a work zone, you should: | Watch for sharp pavement drop offs |
| Backing of a commercial vehicle is: | Always dangerous |
| The center of gravity of a load: | Can make a vehicle more likely to tip over on curves if it is high |
| To prevent brake fade, you should: | Select a gear that will keep your vehicle at a safe speed on steep downgrades |
| When you are parked on the side of the road at night, you must: | Turn on your 4 way emergency flashers to warn others |
| You must stop on a hill or curve on a 2 lane, 2 way road. How far back should you place your reflective triangles? | Within 500 feet behind you |
| To help you stay alert while driving, you should: | Take short breaks before you get drowsy |
| To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 MPH on the shoulder. How should you move back onto the pavement? | If the shoulder is clear, stay to the right until your vehicle comes to a stop, then move back onto the pavement when it is safe |
| Which of these statements about driving in areas with strong winds is true? | Winds are especially a problem when coming out of tunnels |
| Which of these is a good thing to do when driving at night? | Keep your speed slow enough so that you can stop within the range of your headlights |
| Which of these statements about overhead clearance is true? | The weight of a vehicle changes its height |
| Which of these statements about vehicle fires is true? | A burning tire should be cooled with water |
| When the roads are slippery, you should: | Make turns as gently as possible |
| You are checking your brakes and suspension for a pre trip inspection. Which of these statements is NOT true? | Brake shoes should have brake fluid on them |
| Which of these is NOT a good rule to follow when caring for an injured person at an accident scene? | Keep an injured person cool |
| You should avoid driving through deep puddles or flowing water. If you must do either, which of these steps can help to keep your brakes working? | Gently applying the brakes while driving through the water |
| Which of these statements about drugs is true? | The use of drugs can lead to an accident and/or arrest |
| Which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle? | Heavy vehicles need larger gaps in traffic than cars |
| How do you correct a rear wheel acceleration skid? | Stop accelerating |
| The purpose of a retarder is to: | Help slow the vehicle while driving and reduce brake wear |
| Controlled braking: | Is used to keep a vehicle in a straight line when braking |
| Which of these is a good thing to do when steering to avoid a crash? | Don’t turn any more than needed to clear what is in your way |
| Which of these statements about certain types of cargo is true? | An unstable load, such as hanging meat or livestock, can require extra caution on curves |
| According to the drivers manual, why should you limit the use of your horn? | It can startle other drivers |
| Which statement about cold weather driving is true? | Windshield washer antifreeze should be used |
| When driving at night, you should: | Adjust your speed to keep your stopping distance within your sight distance |
| Which of these statements about speed management is true? | You should choose a speed that lets you stop within the distance that you can see ahead |
| Retarders: | Can cause the drive wheels to skid when they have poor traction |
| You are required to inspect your truck within how many miles of beginning a trip? | 50 |
| There are two types of jackknifes. They are: | a) Trailer b) Tractor c) Both A and B |
| When going down a long steep downgrade, you should always: | Use the braking effect of the engine |
| You may hang up on railroad tracks if: | The tracks have a steep approach |
| What should you do if you are unsure if you have enough overhead clearance? | Find another route that will not require driving under the object |
| What should you do if your vehicle hydroplanes? | Release the accelerator |
| You are driving on a straight, level highway at 50 MPH. There are no vehicles in front of you. A tire suddenly blows out on your vehicle. What should you do first? | Stay off the brake until the vehicle has slowed down |
| You are driving a new truck with a manual transmission. What gear will you probably have to use to take a long, steep downgrade? | A lower gear than you would use to climb the hill |
| You are checking your wheels and rims for a pre trip inspection. Which of these statements is true? | Rust around wheel nuts may mean that they are loose |
| You are checking your tires for a pre trip inspection. Which of these statements is true? | Tires of mismatched sizes should not be used together on the same vehicle |
| How far ahead of the vehicle should a driver look while driving? | 12-15 seconds |
| You should stop driving: | Whenever you become sleepy |
| You are driving a heavy vehicle with a manual transmission. You have to stop on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion on the uphill grade? | Use the parking brake to hold the vehicle in place until the clutch engages |
| Which of these statements about engine overheating is true? | You should never remove the radiator cap on a pressurized system until the system is cool |
| If a straight truck(no trailer) goes into a skid, it will: | Slide sideways and spin out |
| If you need to leave the road in a traffic emergency, you should: | Avoid braking until your speed has dropped to about 20 MPH |
| Which of these statements about downshifting is true? | When you downshift for a curve, you should do so before entering the curve |
| For your safety, when setting out reflective triangles you should: | Hold the triangles between yourself and oncoming traffic |
| You are driving a 40 foot vehicle at 35 MPH. The road is dry and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe? | 4 seconds |
| What is the proper way to hold a steering wheel? | With both hands, on opposite sides of the wheel |
| You are travelling down a long, steep hill. Your brakes get so hot that they fail. What should you do? | a) Downshift and pump the brake pedal b) Look for an escape ramp or escape route c) Both of the above |
| When driving in cold weather, your tire pressure should: | Be enough to provide contact with the ground and push your vehicle through the snow |
| A key principle to remember about loading cargo is to keep the load | Balanced in the cargo area |
| The drivers manual suggests several things to do when passing a vehicle. Which of these is NOT one of them? | At night, turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle |
| The distance that you should look ahead of your vehicle amounts to about____miles at highway speed: | 1/4 miles |
| What kind of fire can you use water to put out? | Tire fires |
| Which of these is a good thing to remember about using mirrors? | There are blind spots that your mirrors cannot show |
| Most serious skids result from: | Driving too fast for conditions |
| Which of these items is NOT checked for a pre- trip inspection? | Amount of fuel on a vehicle |
| If you must stop in the oncoming lane while making a turn, you should: | Watch for oncoming traffic |
| Brake drums (or discs) must not have cracks longer than__ The width of the friction area: | 1/2 half |
| What should you do if you see a hazard in the roadway ahead of you? | Use your 4 way flashers or brake lights to warn others |
| Heavy vehicles often move slower than others. Which of these is NOT a good rule to follow while driving a heavy vehicle? | Signal other drivers when it is safe to pass you |
| Which of these actions is NOT recommended for a left turn? | Start in the inside lane and swing right as you turn |
| Can state inspectors inspect your truck or bus? | Yes, and they can put you out of service if your vehicle is found to be unsafe |
| If you are convicted of driving a commercial vehicle under the influence of alcohol or drugs you will lose you CDL for: | 1 year |
| Which of these is true about hazardous materials? | All hazardous materials present a danger to health and safety |
| You are checking you steering and exhaust systems for a pre-trip inspection. Which of these problems, if found, should be fixed before the vehicle is driven? | Steering wheel play of more than 10 degrees (2 inches on a 20 inch steering wheel) |
| Convex (curved) mirrors: | They show a wider area than flat mirrors show |
| To correct a drive wheel braking skid, you should: | Stop braking, turn quickly then countersteer |
| When entering or exiting a curved freeway ramp, you should: | Maintain a speed 5 – 10 MPH below the posted speed limit |
| The space to the ___ of you vehicle is the most important to manage: | Front |
| Your brakes can get wet when driving through heavy rain. What effect can this cause to your brakes? | Trailer jackknife |
| Containerized loads: | Generally are used when freight is carried part way by rail or ship |
| When driving a commercial vehicle with a height over 13 feet, you should: | Stop and make sure that clearance is high enough |
| The distance you should look ahead of your vehicle while driving at low speed is about___? | 1 block |
| Which of these is true about emergency or evasive action? | In order to turn quickly, you must have a firm grip on the steering wheel |
| What happens to tar on road pavement during very hot weather? | It bleeds making the road surface slippery |
| What is the best advice for a driver when there is a heavy fog? | Park the truck until the fog disappears |
| When loading a trailer, if the cargo is all loaded to the rear it may result in: | Poor traction on drive wheels |
| Communication means: | Communicating your intentions to other motorists |
| Which of these statements about a pre-trip inspection is true? | If you need to tilt a cab, secure loose things so they do not fall or break anything |
| Which of these statements about cargo loading is true? | State laws dictate legal weight limits |
| Which of these statements is true about rear wheel braking skids? | On a vehicle with a trailer, the trailer can push the towing vehicle sideways |
| The best drivers are those who watch and prepare for a hazard. This is called____driving | Defensive |
| Sometimes you need to leave the road to avoid a hazard or emergency. When you do so, you should keep in mind that: | It is less dangerous to drive on the shoulder than to cause a collision |
| Escape ramps: | Should be used by any driver who loses braking power |
Created by:
kok777
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