Michigan CDL General Knowledge Exam | Questions with 100% Correct Answers

Michigan CDL General Knowledge Exam | Questions with 100% Correct Answers What is the most important reason why you should inspect you vehicle? To make sure it is safe What should you Inspect during a trip? Gauges, tires, brakes, light and reflectors, brake and electrical connection to trailers, trailer coupling devices and cargo securement devices Why should you make an inspection report? To make sure it is safe ad secure, and write down anything tat would not make it safe What are some tire problems you should look for? 1. Air pressure 2. Tread wear 3. cut or damage 4. dual tires that come in contact with each other 5. mismatched sizes 6. radial and bias-ply tires used together 7. cuts or cracked valve systems 8. re-grooved, replaced or retreaded tires What are some Wheel and rim problems you should look for? 1. Damaged 2. Rust on nuts 3. Missing clamps, spacers, studs or lugs 4. Mismatched, bent or cracked lock rings 5. Wheels or rims that had welding repairs How much tread depth should you have on the front tires? Back one? 4/32, and 2/32 What does it mean when there is rust around wheel nuts? They may be loose What are the Brake drums or shoes problems you should look for? 1. Cracked drums 2. Shoes pads with oil, grease, or brake fluid 3. shoes worn too thin What are some steering system effects you should look for while inspecting? 1. Missing bolts, nuts, and cotter keys 2. bent, loose or broken parts 3. Leaks in power steering hoses, pumps and fluid level 4. Steering wheel play of more than 10 degrees What is a suspension system? A system that holds up the vehicle and its loads What should you look for in suspension system? 1. Spring hangers that allows movement of axel from proper position 2. Missing or broken leaves in any leaf spring n leaves in a multi-leaf spring 4.Leaking shock absorbers 5. Axel positioning parts that are cracked, damaged or missing 6. Loose, cracked, broken or missing frame members 7. Air suppression system that are damaged or leaking What happens is an exhaust system is broken? The system can let poison fumes into the vehicle What are some problems you need to look for in the exhaust system? 1. Loose, broken, or missing pipes, mufflers, tailpipes or vertical stacks 2. Loose, broken or missing mounting brackets, clamps, bolts or nuts 3. Parts rubbing against fuel system pats, tires or other moving parts 4. Leaking parts What emergency equipment must a bus contain? Fire extinguisher, spare electrical fuses and 3 reflective warning triangles What are the seven-steps of the inspections method? Step 1: Review last vehicle inspection report Step 2: Check Engine compartment Step 3: Start engine and inspect inside vehicle Step 4: Turn off engine and check lights Step 5: Walk around inspection Step 6: Check signal lights Step 7: Start engine and check brake system When approaching your vehicle to begin inspection, what should you look for? Damage or fresh oil, coolant, grease or fuel leaks What should you make sure is on before you check the engine compartment? Parking brakes What should you check in the engine compartment? 1. Oil Level 2. Coolant level 3. Power steering fluid level 4. wiper fluid level 5. Battery fluid level 6. Transmission fluid level 7. Belts for tightness or excessive wear 8. leaks 9. Cracked, worn electrical wiring insulation What parts of the engine have belts? Alternator, water pump and air compressor What is ABS? Anti-lock break system is a computerized system that keeps your wheels from locking up during hard brake application What should you check when inspecting inside the car? 1. Gauges 2. Condition of the controls 3. mirrors and windshield 4. emergency equipment What Gauges should you look at? 1. Oil Pressure 2. Air pressure 3. Ammeter or voltmeter 4. coolant temp 5. Engine oil temperature 6. Warning lights a buzzers for the gauges What parts of Engine controls should you inspect? 1. Steering wheel 2. Clutch 3. Accelerator 4. Brake controls 5. transmission controls 6. Interaxle differential lock 7. Horn 8. Windshield wipers 9. Lights What are all the light controls of the bus? 1. Headlights 2. Dimmer switch 3. Turn signal 4. Four-way flashers 5. parking What should you look for when inspecting mirrors ans windshield? Cracks, dirt, or illegal stickers How many reflective triangles should you have? 3 How many spare fuses should you have? 6 How many liquid burning flares should you have? 3 What other emergency equipment should you look for to make sure you have on board? Chains and tire changing equipment What does the walk around inspection include? 1. Checking all lights that work 2. Left side 4. right side 5. Front 6. Back What should you check for on the left front side exterior inspection? 1. Driver door window 2. Door latches and locks properly 3. condition of left font wheel 4. Condition of left front suspension 5. Condition of left front break What should you check for when inspecting the front of vehicle? 1. Front axle 2. steering system 3. Windshield 4. Wiper blades 5.Lights and reflectors What should you check for when inspecting the right side of the vehicle? Same as left but including, 1. Right fuel tank 2. condition of visible part 3. Cargo securement What should you check when inspecting the right rear side of the vehicle? 1. Wheels and rims 2. Tires 3. Wheel bearing/seals not leaking 4. suspension 5. brakes 6. lights and reflectors What should you check when inspecting the rear side of the vehicle? 1. Lights and reflectors 2. License plate 3. Splashguards 4. Cargo securement 5. End gates 6. Canvas or tarp securement over length, that sign are properly placed 8. rear door is closed What should you check when inspecting left side of vehicle? 1. battery 2. Battery box 3. fluid in battery 4. Cell caps 5. Vents in cell caps When should the drivers of trucks inspect their cargo? Within the first 50 mile of the trip and every 150 miles or three hours. What four skills are you required to know when operating a commercial vehicle? 1. Accelerating 2. Steering 3. Backing safely 4. Stopping what should you do to avoid rolling back in a manual? Partially engaged the clutch while taking foot off brake What is a chuckhole? curb or pothole What are the rules of backing up safely? 1. Star in a proper position 2. Look at your path 3. use you mirrors 4. Back slowly 5. Back and turn toward the drivers side 6. Use a helper whenever Why should you use a helper when backing up? They help you see your blind spots Why should you turn toward the driver’s side? You can watch the rear of your vehicle by looking outside your window What single should you and your helper agree on? Stop How do you upshift? 1. Release accelerator, push in clutch and shift to neutral at the same time 2. Release clutch 3. Let engine reach the rpm required for the next gear 4. Push in clutch and shift to higher gear 5. release clutch and press accelerator at the same time What are two way to know when you can up shift gears? 1. Engine speed (rpm) tachometer 2. Road speed (mph) speedometer What conditions should you downshift in? 1. Before starting down a hill 2. Before entering a curve What are Multi-speed rear axles and auxiliary transmissions? They are used to provide extra gears What are retarders? They help slow downs vehicles to reducing the need for braking When should you turn off retards? When the road is wet, icy or snow covered For automatic transmission, what kind of range should you use to get greater engine braking when going down grades? Low range What are the four basic types of retarders? exhaust, engine, hydraulic and electric How far ahead should you look when driving in a city? 12 - 15 seconds, about a block How far should you look when driving on a highway? 12-15 second, about a 1/4 of a mile Why should you look far ahead when driving? Stopping and changing lanes can take a lot of distance and need to look ahead to move safely What are two main things you should look for when looking ahead? Incoming traffic and brakes lights from slow vehicle What should you use your side mirrors for? 1. Change lanes 2. Check tires 3. Turn 4. Merge 5. Tight maneuvers What does communicating mean in safe driving To signal when you change a lane, turn or merge What are the three rules for using turn signals? 1. Signal early 2. Signal continuously 3. Cancel you signal When should you cancel your signal? After you completed your turn How do you warn driver behind you need to slow down? Tap on brakes to flash the brake lights What should you use when you are slowing down to a stop on a road? Use four-way flashers When should you warn drivers behind you by taping you brake lights? 1. Trouble ahead 2. Tight turns 3. Stopping on a road 4. Driving slowly What should you do when you are passing a vehicle, pedestrian or bicyclist ahead of you? Tap the horn lightly, or at night flash your lights to warn them When is it hard to see? At dusk or dawn and when it rains or snows What should you do when it’s hard to see? Turn on your low beam lights Where should you place your warning devices when parked on a two-way lane road? 10 feet of the front or rear corners, and 100 feet behind and ahead of the vehicle Where should you place your warning devices when park on a hill or curve? 10 feet of the front or rear corners, and 500 feet behind the vehicle where you can see it What conditions should you adjust your speed to? 1. Traction 2. curves 3. visibility 4. traffic 5. hills What is perception distance? The distance your vehicle travels from the time you eyes see a hazard until you brain recognizes it What is reaction distance? The distance you will continue to ravel before you physically hit the brakes What is the average time for a driver to react? 3/4 to 1 sec What is the average time for a driver to notice the hazard? 1 3/4 sec What is braking distance? The distance of you vehicle will travel while you are braking What the factors concludes the total stopping distance? Perception, reaction and braking When you double your speed from 20 to 40 mph, how much greater is the impact? 4 times greater When you triple you speed from 20 to 60 mph, how much greater is the impact? 9 times greater When you quadruple the speed from 20 to 80, how much greater is the impact? 16 times greater The heavier the vehicle, the more work your brakes must do to stop it. True or false? True What condition of the truck requires greater stopping distance? Empty trucks What conditions does the brake, tires, springs and shock absorbers work best? When vehicle if fully loaded What is traction? Friction between the tires and the road When should you reduce traction? 1. slippery surfaces 2. curves 3. downgrades What are signs of slippery surfaces? 1. Bridges 2. Black ice 3. Shades areas 4. Melting ice 5. vehicle icing 6. Just after rain begins 7. hydroplaning What is hydroplaning? When tires loose traction of the roads and ski on the water What is black ice? thin layer that I clear enough that you can see the road underneath it Why is the first rain fall the slipperiest? Oil from the road mixes with the water causing the road to become more unstable You should use your brakes when you hydroplane. True or false? False What’s the lowest speed you could hydroplane on water? 30 mph What are some factors that could cause hydroplaning? 1. Speed 2. condition of tires 3. Road surfaces where water collects What are indications of standing water? 1. Clear reflections 2. tire splashes 3. rain drops on the road What two things can happen if you drive around a curve too fast? 1. Tire loose traction causing you to skid off road 2. Tires keep traction and vehicle rolls over Trucks with higher center gravity can roll over at the posted speed limit fro a curve. True or False? True Why is it dangerous to brake on a curve? The wheels can lock causing a skid What conditions require you to slow down so you can stop in the distance that you see? Rain and fog At night, you can't see as far with high beams as you can with low beams. True or False? False, you can’t see as far with low beams then with high beams When driving in heavy traffic, what is the safest speed to follow? The other vehicles speed What is the main reason why people speed? To save time How will your speed change when going on downgrades? It will increase When going downgrades, what things you should keep in mind that will effect your speed is?