COMMERCIAL DRIVER LICENSE EXAM ACTUAL EXAM COMPLETE 240 QUESTIONS WITH DETAILED VERIFIED A, Exams of Sociology

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VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ If a vehicle transporting explosives is involved in an accident, what should be done before moving the vehicles apart. - correct answer Remove all explosives before pulling them apart, place the explosives at least 200 feet from the vehicle and occupied buildings, keep bystanders away (all of the above) which of these statements about double clutching and shifting is true - correct answer you can use the tachometer to tell you when to shift how long can an unsafe vehicle be put our of service - correct answer until the driver fixes it or until the owner fixes it which of these should be considered a hazard - correct answer an ice cream truck, a blind intersection, and a driver signaling a turn (all of the above) of the following choices, which best describes how you should use your brake pedal when going down a steep hill - correct answer a light steady pressure inspection of the vehicle by the driver is mandated by - correct answer federal state laws when you dim your lights at night, what should you do about your speed - correct answer slow down of the following statements, which is true about speed - correct answer you should choose a speed that will allow you to stop within the distance you can see ahead while on a trip, what should you check on a regular basis - correct answer watch gauges, use your senses, and check critical items when you stop the emergency door on your bus must - correct answer it must be closed when operating the bus which of the following best describes the basic characteristics of the center of gravity - correct answer the center of gravity can make a vehicle more likely to tip over on a curve if it is high vehicle inspection is intended for which purpose - correct answer to find problems that could cause a crash or breakdown for the best control of your vehicle, which maneuver is best - correct answer slow to a safe speed before entering the curve, than accelerate slightly through the curve which is true about marking a stalled or wrecked vehicle - correct answer if a hill or curve prevents approaching vehicles from seeing your vehicle within 500 feet, the reflective triangle should be moved back down the road to give adequate warning inspection of your vehicle should be done - correct answer before and after a trip when driving at the posted speed limit, how far ahead should you look - correct answer one fourth a mile (1/4)

VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ you are checking your brakes and suspension system for a pre trip inspection, which of these statements is true - correct answer brake shoes should not have oil, grease, or brake fluid on them, brake pads should not have brake fluid on them, and one missing leaf in the leaf springs can be dangerous. what is the minimum tread depth requirements for front tires - correct answer 4/32 inches which of these should you not do when you pass a vehicle - correct answer when passing at night, turn on your high beams before you start to pass, and keep them on until you have completely passed the vehicle you may not run which of the following on the front wheels of your vehicle - correct answer re grooved tires, recapped tires, and retreaded tires when you down shift you should - correct answer down shift for a curve before you enter it the parking or emergency brake on a heavy vehicle can only be held in position by something that cannot leak away. an example would be - correct answer spring pressure a drivers brake may be adversely affected if they have the following substances on them - correct answer oil, grease, and brake fluid which of these could cause a vehicle to skid - correct answer turning to sharply, not enough weight on the front axle, and over acceleration steering wheel play of more than ..... can make it hard to steer - correct answer ten degrees which of the following is not a key part of the suspension system - correct answer pitman arm which of the following should be on your bus at all times in case of an emergency - correct answer fire extinguisher, spare electrical fuses if needed, and warning devices for parked vehicles a straight truck or bus air brake system should not lead at a rate of more than... psi per minute with the engine off and the brakes released - correct answer two psi per minute which of these statements about drugs is true - correct answer the use of drugs is a hazard which of the following is not an emergency equipment item - correct answer shackle bracket what should you do if a low air pressure warning comes on - correct answer bring the vehicle to a safe stop which of following statements would tell you a shipment contains hazardous materials - correct answer a hazardous material placard on the vehicle, a hazardous material label on the container, and the name of a hazard class on the shipping paper.

VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ why should you back toward the drivers side - correct answer so you can see better which of these is the most important thing to remember about emergency braking - correct answer if the wheels are skidding, you cannot control the vehicle modern air break systems combine three separate systems, the service brake system, the parking brake system, and - correct answer the emergency brake system the basic fact about backing is - correct answer it is always dangerous to check the free play of manual slack adjusters on "S" cam brake systems, you should park - correct answer on level ground, chock the wheels and turn off the parking brakes when backing you should do so slowly because - correct answer it is easier to correct steering errors to correct a drivewheel braking skid, you should - correct answer stop braking, turn quickly, and counter steer the most common cause of vehicle skid is - correct answer driving to fast for road conditions the best way to reduce your chance of a backing accident is to - correct answer use a spotter to see what you cannot see front wheel brakes are good under which of the following conditions - correct answer all conditions emergency stab braking is when you - correct answer put on the brakes as hard as you can until the wheels lock, let off the brakes and then put brake on again when the wheels start to roll buses can never transport - correct answer more than 500 pounds total of allowed hazardous materials and no more than 100 pounds of any one class what is the job of the compressor governor - correct answer it controls when air is pumped into the air tanks controlled braking is also called - correct answer squeeze braking a fully charged air system is typically - correct answer 125 psi the braking power of the spring brake - correct answer depends on the service brakes being in adjustment a driver should not allow passengers on the bus if they are bringing with them which of the following - correct answer car batteries or gasoline all air brakes equipped vehicles have - correct answer a supply pressure gauge

VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ how far from a drawbridge should a bus stop - correct answer 50 feet the parking brake knob should pop out when the air pressure falls to the manufacturers specification, which is usually in a range between - correct answer 20 - 40 psi a driver should inspect the bus - correct answer before and after each trip when driving a vehicle with a dual air system, you should allow time for the air compressor to build up a minimum of how much air in both the primary and secondary system - correct answer 100 psi which of these is a sign of tire failure - correct answer steering that feels heavy, a loud bang, and vibration how should you use your brakes in an emergency - correct answer you brake so that you can steer and your vehicle stays in a straight line all trucks, truck tractors, and buses must be equipped with emergency brakes and parking brakes held on by - correct answer mechanical force what is the proper way to hold a steering wheel - correct answer with both hands on opposite sides of the wheel the most common type of brake is - correct answer S cam brakes drivers should never push the brake pedal down when the spring brakes are on because - correct answer the brakes could be damaged you are driving a 40 foot vehicle at 35 mph, all conditions are good. how much distance should you keep between you and the vehicle in front of you - correct answer 4 seconds what does the application pressure gauge show the driver - correct answer how much pressure you are applying to the brakes one common characteristics of brakes that get too hot is - correct answer they may stop working if you do not have automatic tank drains, how often should you drain the oil and water from the bottom of the compressor air tanks - correct answer at the end of each day of driving which is a good night driving technique - correct answer keep your speed slow enough so that you can stop within the range of your headlights. you must have a commercial drivers license with a hazardous materials endorsement to drive - correct answer a vehicle with placards which of the following statements is true about strong winds - correct answer winds are especially problems when coming out of tunnels

VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ the road on which you are driving becomes very slippery due to glazed ice, which of these is a good thing to do in such a situation - correct answer stop driving as soon as you can safely do so during normal driving, spring breaks are usually held back by - correct answer air pressure which of these statements is true about retarders - correct answer they can cause the drivewheels to skid when they have poor traction if you go twice as fast, your stopping distance will increase by - correct answer four times placards are used to warn others of - correct answer hazards cargo you are driving a new truck that has a manual transmission, what gear will you probably have to use to make a long, steep downhill grade - correct answer a lower gear than you would use to climb the hill in air brake vehicles, when should parking brakes be used - correct answer any time the vehicle is parked which of the following is not part of the pre tip inspection - correct answer PVC regulator what does a red triangle with an orange center on a vehicle mean - correct answer slow moving vehicle when should you check your mirrors for a lane change - correct answer after signaling the change, directly after starting the lane change, and after completing the lane change under what conditions may a bus have recapped or regrooved tires - correct answer the tires may not be on the front wheels a person transporting hazardous materials should not park within how many feet of an open fire - correct answer 300 feet when should you use high beams - correct answer high beams should be used when it is safe and legal to do so an on route inspection should include checking for - correct answer tire over heating, brake over heating, and cargo securement which of these statements about braking and speed management is true - correct answer you need about 4 times the stopping distance at 40 mph than you do at 20 mph which of these statements about backing a vehicle is true - correct answer you should avoid backing whenever you can

VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ a person responsible for watching a placarded vehicle must - correct answer be awake and not in the sleeper berth, be within 100 feet of the vehicle and have it in clear view, and know what to do in an emergency which of these is a good thing to remember about drinking alchohol - correct answer alcohol first affects judgement and self control, the chances of a crash are much greater, and a driver could lose his license from driving while drinking if you are driving a placarded vehicle you must check tires how often - correct answer every 2 hours or 100 miles, whichever is les you are checking your tires fro a pre trip inspection which of these statements is true - correct answer tires of mismatched sizes should not be used on the same vehicle if a hazardous material is leaking from your vehicle, you should do what - correct answer move it only as far as safety requires which of these could cause a fire - correct answer under inflated tires, loose fuel connections, and electrical short circuits what is counter steering - correct answer turning the steering wheel back in the other direction after steering to avoid a traffic emergency on how many sides must a vehicle be placarded for hazardous materials - correct answer four sides which of the following types of cargo can never be carried on a bus - correct answer irritating materials or tear gas to stop for a railroad, a bus driver should stop how far from the nearest track - correct answer 15 to 50 feet which of these statements about managing space to the sides of your bus is true - correct answer you should avoid traveling next to others if possible on which type of fires can you use the type ABC fire extinguisher - correct answer electrical fires, burning liquids, and burning cloth where should you discharge an unruly rider - correct answer in as safe a place as possible which of the following lists the three types of emergency equipment you must have on your bus

• correct answer fire extinguisher, spare fuses unless equipped with circuit breakers and reflectors a bus may carry baggage and freight only if secured in what way - correct answer so the driver can move freely and easily, any rider can use any door or any window in an emergency, and so riders are protected from falling or shifting bags.

VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ you are driving a vehicle which could be safely driven at 55 mph on an open road, but traffic is heavy now and is moving at 35 mph though the speed limit is higher, the safest speed for your vehicle is most likely - correct answer 35 mph what is meant by double clutching - correct answer release the accelerator, push down on the clutch pedal, then let the engine and gears slow down to the rpm's required for the next gear, then push in the clutch pedal and shift to the higher gear what are two factors in knowing when to shift - correct answer using the engine and road speed what is the purpose of brake retarders - correct answer to help slow down the vehicle and to reduce brake wear where do you place the emergency reflectors if you have to stop on the side of a straight two lane road - correct answer one about 10 feet behind the vehicle, one about 100 feet behind the vehicle, and one about 100 feet in front of the vehicle when will hydroplaning occur - correct answer is more likely if tire pressure is low how would you stop a front wheel skid - correct answer let the vehicle slow down. stop turning and stop braking so hard which one of the following should you do when fighting a fire - correct answer aim at the base of the fire storage tanks should hold how much air for braking - correct answer enough air so the brakes can be used several times if the air compressor is not working where is the drain valve for an air tank located - correct answer in the bottom of the tank while driving, what holds the parking and emergency brake off - correct answer air pressure what is another name for controlled braking - correct answer squeeze braking what is the primary cause of brake fade - correct answer heat how many seats are you normally allowed to have that are not securely fastened down - correct answer just some seats in some states that have buses carrying farm labors on which wheels are chains required to be installed - correct answer drive wheels most spring brakes automatically come on at a psi reading of - correct answer 20 to 45 psi spring brakes will work only if brakes are - correct answer properly adjusted you are driving at night and you must dim your headlights from high to low, what should you do with your speed - correct answer slow down

VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ to much heat can cause your brakes to - correct answer fail most dual air systems have - correct answer two separate air brake systems most air pressure warning buzzers come on at - correct answer 60 psi a vehicle may feel this way if a tire is about to fail - correct answer heavy a skid can be caused by - correct answer over steering, over braking, and over acceleration the most common skid begins at the - correct answer rear wheels which is not a good technique in a drivewheel skid - correct answer shifting to a higher gear the usual psi cut out level is - correct answer 125 psi the usual pse cut in level is - correct answer 100 psi the service brake refers to the - correct answer regular pedal brake changing gears while crossing a railroad trach is - correct answer never advisable which is a likely cause of a fire - correct answer duals that touch bus rules should be given - correct answer before departing the safety relief valve is set to open at - correct answer 150 psi most bus crashes occur - correct answer intersections to use an interlock in place of the parking brake is - correct answer unwise sudden movements of tank liquid is called - correct answer surge air tank drainage should be done - correct answer daily room left for expanding liquids is called - correct answer outage you can drive with certain hazardous material if - correct answer placards are not required the supply pressure gauge shows how much pressure - correct answer is in the air tanks poor cab.... can make you sleepy - correct answer ventilation GVWR is determined by the - correct answer manufacturer alcohol first affects - correct answer judgement brake... is especially dangerous in mountain driving - correct answer fade which of theses statements about brakes is true - correct answer the heavier or faster the vehicle is moving, the more heat the brakes have to absorb to stop it

VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ service brakes should initially be checked by the driver at what speed - correct answer 5 mph you are driving a vehicle at 55 mph in dry pavement. what is the total stopping distance you will need to bring it to a stop - correct answer the length of a football field cargo that is not loaded or secured properly can cause - correct answer vehicle damage by overloading, other highway users to hit or be hit by loose cargo, and injury to the driver during a quick stop or crash what is the tread depth requirement for rear tires - correct answer 2/32 inch which of the following statements about certain types of cargo is true - correct answer unstable loads such as hanging meat of livestock can require extra caution on curves drivers of trucks and truck tractors must inspect their vehicle within the first... miles of a trip - correct answer 5o miles you are driving a heavy vehicle. you must exit a highway using an off ramp that curves downhill, you should - correct answer slow down to a safe speed before the curve which of the following is a good thing to remember about using mirrors - correct answer there are blind spots that your mirror can not show you in mountain driving,... allows engine compression to help slow you - correct answer lower gears you are driving a heavy vehicle with a manual transmission. you have to stop the vehicle on the shoulder while driving an uphill grade. which of these is a good rule to follow when putting it back in motion up the grade - correct answer use the parking brake to hold the vehicle until the clutch engages which of the following is a proper use of vehicle lights - correct answer turning on your headlights during the day when visibility is reduced due to rain or snow, flashing your brake lights to warn someone behind you of a hazard that will require slowing down, and flashing your brake lights to warn someone behind you that you are going to stop on the road a major point to remember about loading cargo is to keep the load - correct answer balanced in the cargo area when setting out reflective triangles you should - correct answer hold the triangles between yourself and oncoming traffic hydraulic brake failure usually occurs because of - correct answer bad adjustment you are checking your steering and exhaust systems in pre tip inspection. which of these problems, if found, should be fixed before the vehicle is driven - correct answer a small leak of

VERIFIED ANSWERS (100% CORRECT ANSWER S) / ALREADY GRADED A+ power steering fluid, steering wheel play of more than 10 degrees, and leaks in the exhaust system your vehicle is equipped with hydraulic brakes. while traveling on a level road, you press the brake pedal and find that it goes to the floor. which of the following statements is true - correct answer pumping the brake pedal may bring pressure up so you can stop the vehicle which of the following statements is true about overhead clearance - correct answer the weight of a vehicle changes its height traveling in a vehicle out of gear or with the clutch in is called - correct answer coasting you are driving on a straight, level highway at 50 mph. there are no vehicles in front of you. suddenly a tire blows out on your vehicle. what should you do first - correct answer stay off the brake until the vehicle is slowed down what should you do if you need to leave the road in a traffic emergency - correct answer avoid braking until your speed has dropped to about 20 mph which of the following is true about engine overheating - correct answer you should never remove the radiator cap on a pressurized system until the system has cooled the fine for having more than one license is - correct answer $5, you are performing a pretrip inspection, which of the following statements is true - correct answer rust around wheel nuts may mean that they are loose you are driving on a two lane road, an oncoming driver drifts into your lane and headed straight for you. which of these actions is most often the best action to take - correct answer steering to the right which of the following is a good thing to remember when crossing or entering traffic with a heavy vehicle - correct answer heavy vehicles need larger gaps in traffic than cars your low beams usually allow you to see up to how many feet - correct answer 250 feet which of the following items is checked in a pre trip inspection. w - correct answer whether all vehicle lights are working and are clean, wiper blades, and cargo securement if you cant avoid driving through deep puddles or flowing water, which of the following steps can help keep your brakes working - correct answer gently putting on the brakes while driving through the water steering in an emergency, is usually best in what direction - correct answer right if a straight vehicle goes into a front wheel skid it will - correct answer slide sideways and spin out