Wisconsin General Knowledge Practice Test
This is our Wisconsin General Knowledge Practice Quiz and Practice Test compiled of 50 questions each. Each question is worth two points for a total of 100 possible points. A passing score is 80%.
The General Knowledge Practice Quiz reveals the correct answer during each question to help you study for the actual General Knowledge test. The General Knowledge Practice Test doesn’t reveal the correct answers until the test is over.
The questions and answers are given in random order each time you retake the test. When you are finished testing, simply click on the “Get Results” button to see your test results. Clicking on the blue “List” button will reveal a list of all the questions you answered correctly and incorrectly. To take the test again, just refresh your browser window. It’s that easy.
Press the start button to begin your free General Knowledge Practice Quiz. Good luck!
General Knowledge CDL Practice Quiz
Question 1 |
A | turn wide as you complete the turn |
B | start the turn, then back up to re-position |
C | turn wide before you start the turn |
D | turn right and drive over the curb |
Question 2 |
A | require greater stopping distance than full trucks |
B | need less space ahead than full trucks |
C | have better traction when stopping than full trucks |
D | have the same stopping distance as full trucks |
Question 3 |
A | To prevent others from distracting you. |
B | To direct traffic away from you. |
C | To watch for steering errors. |
D | To see the blind spots you can't see. |
Question 4 |
A | A minimum of two. |
B | A minimum of three. |
C | A minimum of four. |
D | A minimum of one. |
Question 5 |
A | if any problems occurred the last the time the vehicle was operated. |
B | whenever you stop to refuel. |
C | before operating the vehicle. |
D | at least once a week. |
Question 6 |
A | Load more cargo toward the front of the truck for a full load. |
B | Load more weight over the drive axle for better traction. |
C | Load cargo weight evenly over all the axles. |
D | Load cargo toward the rear of the truck for easier unloading. |
Question 7 |
A | you are driving on the freeway. |
B | you are driving on hilly, rural roads. |
C | the road is wet, icy, or snow covered. |
D | road conditions are excellent. |
Question 8 |
A | Warn other drivers by using your left turn signal lights. |
B | Keep your low beam lights on. |
C | Turn on your 4-way emergency flashers to warn other drivers. |
D | Put your warning devices out within 15 minutes. |
Question 9 |
A | Observation distance, reaction distance, and slowing distance. |
B | Perception distance, reaction distance, and braking distance. |
C | Perception distance, response distance, and reaction distance. |
D | Perception distance, slowing distance, and braking distance. |
Question 10 |
A | More space than is needed for ideal driving conditions. |
B | The same amount of space you would on a dry road. |
C | The same amount of space you would at night. |
D | One vehicle length for every 10,000 lb. of gross vehicle weight. |
Question 11 |
A | placard numbers match the seal numbers. |
B | load is properly secured. |
C | seal is authentic. |
D | seal is secure. |
Question 12 |
A | you release pressure on the brake pedal and speed increases. |
B | there is a slight vibration when you press down on the brake pedal. |
C | you have to push harder and harder to get the same stopping power on a downgrade. |
D | the brake pedal feels firm when you apply pressure. |
Question 13 |
A | driving too slow for road conditions. |
B | driving too fast for road conditions. |
C | poorly adjusted brakes. |
D | bad tires. |
Question 14 |
A | drink coffee or other caffeine products to help keep you awake. |
B | roll down your window so that the fresh air will help keep you awake. |
C | keep your high beams on at all times. |
D | make sure you are driving slow enough so you can stop within the range of your headlights in case of an emergency. |
Question 15 |
A | both of these. |
B | neither of these. |
C | the legal weight limits. |
D | the weight of the liquid. |
Question 16 |
A | testing the trailer brakes after hooking up to a trailer. |
B | there is ice and snow, to prevent skidding. |
C | you will be parked for a short time. |
D | it is absolutely necessary. |
Question 17 |
A | loose fuel connections |
B | under inflated tires |
C | both loose fuel connections and under inflated tires |
D | eating spicy food in the truck cab |
Question 18 |
A | downshift into the turn. |
B | keep the cargo as close to the ground as possible. |
C | keep two hands firmly planted on the steering wheel at all times. |
D | check to make sure that the brakes are properly balanced. |
Question 19 |
A | it will be raised slightly when the tractor is backed under it. |
B | the end of the kingpin is even with the top of the fifth wheel. |
C | the kingpin is about 1¼ inches above the fifth wheel. |
D | the end of the kingpin is at waist level. |
Question 20 |
A | It depends on what mood you are in at the time. |
B | Greater stopping distance. |
C | The same amount of stopping distance. |
D | Shorter stopping distance. |
Question 21 |
A | the trailer is being hauled at high speed. |
B | the trailer is fully loaded or very heavy. |
C | the trailer is out of brake adjustment. |
D | the trailer is empty or lightly loaded. |
Question 22 |
A | vehicles, traffic signs |
B | truck stops, gas stations |
C | law enforcement officers, detours |
D | tunnels, overpasses |
Question 23 |
A | Pedestrians and bicyclists. |
B | All of these are considered a hazard. |
C | Road construction zones. |
D | A stopped transit bus. |
Question 24 |
A | to ensure safety for yourself, your passengers, and other drivers. |
B | because law enforcement may inspect your vehicle on the road. |
C | to help ensure the vehicle will make it to your destination. |
D | because it is a requirement for all drivers. |
Question 25 |
A | 4/32-inch in every major groove. |
B | 2/32-inch in every major groove. |
C | 5/32-inch in every major groove. |
D | 3/32-inch in every major groove. |
Question 26 |
A | over-heated brakes, under-inflated tires |
B | under-inflated tires, dual tires that touch |
C | dual tires that touch, hot road surfaces |
D | poor-quality retreads, under-inflated tires |
Question 27 |
A | Play in the steering wheel of more than five degrees. |
B | Oil on the tie rod. |
C | Play in the steering wheel of more than ten degrees (two inches on a 20-inch steering wheel). |
D | Too many vertical stacks. |
Question 28 |
A | Shift the truck into neutral and coast down the hill to save gas. |
B | Use a lower gear than you would use to climb the hill. |
C | Use the same gear you would use to climb the hill. |
D | Use a higher gear than you would use to climb the hill. |
Question 29 |
A | Pump the brake pedal 5 times; push the pedal firmly 3 seconds; the pedal should not move. |
B | Pump the brake pedal 3 times; push the pedal firmly 5 seconds; the pedal should not move. |
C | Move forward slowly and push firmly on the brake pedal. |
D | Push the brake pedal firmly 5 seconds; listen for leaks. |
Question 30 |
A | Because it's good to know that information. |
B | Because some of the heaviest liquids don’t need any. |
C | Because tank baffles are not always legal with outage. |
D | Because some liquids expand more than others when they get warm. |
Question 31 |
A | increases when the service brakes are hot. |
B | is not affected by the condition of the service brakes. |
C | depends on the service brakes being in adjustment. |
D | decreases when the service breaks are hot. |
Question 32 |
A | you want to have a plan to communicate the risk. |
B | it is a federal law. |
C | you want to avoid doing something all of a sudden. |
D | you want to have time to act before it turns into an emergency. |
Question 33 |
A | exempt from hazardous materials restrictions. |
B | exempt from height restrictions. |
C | generally used when freight is carried part way by rail or ship. |
D | exempt from weight limit restrictions. |
Question 34 |
A | leaks |
B | rubbing |
C | rust |
D | burning |
Question 35 |
A | fishtailing. |
B | offtracking. |
C | sidetracking. |
D | slidetracking. |
Question 36 |
A | a dry bulk tank should only be filled halfway. |
B | the load should not get wet. |
C | the load can catch fire easily. |
D | the load can shift. |
Question 37 |
A | roll down the windows. |
B | stop to sleep. |
C | slap yourself in the face three times. |
D | turn up the radio. |
Question 38 |
A | half |
B | two times |
C | three times |
D | four times |
Question 39 |
A | All of these things happen. |
B | Muscle control and coordination are affected. |
C | Judgment and self-control are the first to be affected. |
D | The drinker's brain is increasingly affected. |
Question 40 |
A | three inches |
B | one inch |
C | two inches |
D | one half inch |
Question 41 |
A | rear view cameras |
B | sunglasses |
C | mirrors |
D | rolled down windows |
Question 42 |
A | Gasoline fire. |
B | None of these fires can be safely extinguished by water. |
C | Electrical fire. |
D | Grease fire. |
Question 43 |
A | one |
B | four |
C | three |
D | two |
Question 44 |
A | Turn on your four-way flashers as you approach the offramp. |
B | Downshift after you are in the curve. |
C | Nothing, because the posted speed limit for the offramp is usually 10 miles per hour below the safe speed limit for the offramp. |
D | Slow to a safe speed before the curve. |
Question 45 |
A | to make your vehicle look official. |
B | to avoid mixing hazmat with food. |
C | to warn others of hazardous materials. |
D | to combat terrorism. |
Question 46 |
A | use windshield washer fluid as coolant. |
B | use only water in the cooling system. |
C | safely remove the radiator cap and add coolant while the engine is hot. |
D | check the coolant level of a hot engine. |
Question 47 |
A | the wheel needs cleaning. |
B | the lug nut is cheap. |
C | the lug nut needs to be replaced. |
D | the lug nut is loose. |
Question 48 |
A | before starting down a hill and before entering a curve. |
B | before starting down a hill and before going up a hill. |
C | before going up a hill and before entering a curve. |
D | before starting down a hill and before entering a tunnel. |
Question 49 |
A | Using your CB radio or cell phone to inform others. |
B | Using a helper when backing up. |
C | Using turn signals, 4-way flashers, headlights, and the horn. |
D | Using hand signals. |
Question 50 |
A | three or more. |
B | seven or more. |
C | five or more. |
D | none of these. |
← | List | → |
1 | 2 | 3 | 4 | 5 |
6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 |
16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 |
26 | 27 | 28 | 29 | 30 |
31 | 32 | 33 | 34 | 35 |
36 | 37 | 38 | 39 | 40 |
41 | 42 | 43 | 44 | 45 |
46 | 47 | 48 | 49 | 50 |
End |
Remember, the General Knowledge Practice Test doesn’t reveal the correct answers until the test is over. The questions and answers are given in random order each time you retake the test. When you are finished testing, simply click on the “Get Results” button to see your test results. Clicking on the blue “List” button will reveal a list of all the questions you answered correctly and incorrectly. To take the test again, just refresh your browser window.
Press the start button to begin your free General Knowledge Practice Test. Good luck!
General Knowledge CDL Practice Test
Question 1 |
A | Using a helper when backing up. |
B | Using turn signals, 4-way flashers, headlights, and the horn. |
C | Using your CB radio or cell phone to inform others. |
D | Using hand signals. |
Question 2 |
A | Turn on your 4-way emergency flashers to warn other drivers. |
B | Keep your low beam lights on. |
C | Put your warning devices out within 15 minutes. |
D | Warn other drivers by using your left turn signal lights. |
Question 3 |
A | law enforcement officers, detours |
B | tunnels, overpasses |
C | truck stops, gas stations |
D | vehicles, traffic signs |
Question 4 |
A | fishtailing. |
B | sidetracking. |
C | slidetracking. |
D | offtracking. |
Question 5 |
A | before starting down a hill and before entering a curve. |
B | before starting down a hill and before going up a hill. |
C | before starting down a hill and before entering a tunnel. |
D | before going up a hill and before entering a curve. |
Question 6 |
A | To prevent others from distracting you. |
B | To direct traffic away from you. |
C | To watch for steering errors. |
D | To see the blind spots you can't see. |
Question 7 |
A | generally used when freight is carried part way by rail or ship. |
B | exempt from height restrictions. |
C | exempt from hazardous materials restrictions. |
D | exempt from weight limit restrictions. |
Question 8 |
A | decreases when the service breaks are hot. |
B | increases when the service brakes are hot. |
C | depends on the service brakes being in adjustment. |
D | is not affected by the condition of the service brakes. |
Question 9 |
A | bad tires. |
B | poorly adjusted brakes. |
C | driving too slow for road conditions. |
D | driving too fast for road conditions. |
Question 10 |
A | Move forward slowly and push firmly on the brake pedal. |
B | Pump the brake pedal 3 times; push the pedal firmly 5 seconds; the pedal should not move. |
C | Pump the brake pedal 5 times; push the pedal firmly 3 seconds; the pedal should not move. |
D | Push the brake pedal firmly 5 seconds; listen for leaks. |
Question 11 |
A | Slow to a safe speed before the curve. |
B | Turn on your four-way flashers as you approach the offramp. |
C | Downshift after you are in the curve. |
D | Nothing, because the posted speed limit for the offramp is usually 10 miles per hour below the safe speed limit for the offramp. |
Question 12 |
A | Shift the truck into neutral and coast down the hill to save gas. |
B | Use a lower gear than you would use to climb the hill. |
C | Use a higher gear than you would use to climb the hill. |
D | Use the same gear you would use to climb the hill. |
Question 13 |
A | Because tank baffles are not always legal with outage. |
B | Because some of the heaviest liquids don’t need any. |
C | Because it's good to know that information. |
D | Because some liquids expand more than others when they get warm. |
Question 14 |
A | Pedestrians and bicyclists. |
B | All of these are considered a hazard. |
C | Road construction zones. |
D | A stopped transit bus. |
Question 15 |
A | you want to avoid doing something all of a sudden. |
B | you want to have time to act before it turns into an emergency. |
C | you want to have a plan to communicate the risk. |
D | it is a federal law. |
Question 16 |
A | five or more. |
B | three or more. |
C | none of these. |
D | seven or more. |
Question 17 |
A | Observation distance, reaction distance, and slowing distance. |
B | Perception distance, response distance, and reaction distance. |
C | Perception distance, slowing distance, and braking distance. |
D | Perception distance, reaction distance, and braking distance. |
Question 18 |
A | 4/32-inch in every major groove. |
B | 5/32-inch in every major groove. |
C | 2/32-inch in every major groove. |
D | 3/32-inch in every major groove. |
Question 19 |
A | the load can shift. |
B | the load should not get wet. |
C | a dry bulk tank should only be filled halfway. |
D | the load can catch fire easily. |
Question 20 |
A | A minimum of two. |
B | A minimum of four. |
C | A minimum of three. |
D | A minimum of one. |
Question 21 |
A | three inches |
B | one half inch |
C | two inches |
D | one inch |
Question 22 |
A | Muscle control and coordination are affected. |
B | All of these things happen. |
C | The drinker's brain is increasingly affected. |
D | Judgment and self-control are the first to be affected. |
Question 23 |
A | use windshield washer fluid as coolant. |
B | use only water in the cooling system. |
C | safely remove the radiator cap and add coolant while the engine is hot. |
D | check the coolant level of a hot engine. |
Question 24 |
A | placard numbers match the seal numbers. |
B | seal is authentic. |
C | load is properly secured. |
D | seal is secure. |
Question 25 |
A | whenever you stop to refuel. |
B | if any problems occurred the last the time the vehicle was operated. |
C | at least once a week. |
D | before operating the vehicle. |
Question 26 |
A | to help ensure the vehicle will make it to your destination. |
B | to ensure safety for yourself, your passengers, and other drivers. |
C | because law enforcement may inspect your vehicle on the road. |
D | because it is a requirement for all drivers. |
Question 27 |
A | you are driving on the freeway. |
B | road conditions are excellent. |
C | you are driving on hilly, rural roads. |
D | the road is wet, icy, or snow covered. |
Question 28 |
A | the lug nut is cheap. |
B | the wheel needs cleaning. |
C | the lug nut needs to be replaced. |
D | the lug nut is loose. |
Question 29 |
A | Play in the steering wheel of more than ten degrees (two inches on a 20-inch steering wheel). |
B | Play in the steering wheel of more than five degrees. |
C | Oil on the tie rod. |
D | Too many vertical stacks. |
Question 30 |
A | neither of these. |
B | both of these. |
C | the legal weight limits. |
D | the weight of the liquid. |
Question 31 |
A | it will be raised slightly when the tractor is backed under it. |
B | the end of the kingpin is at waist level. |
C | the end of the kingpin is even with the top of the fifth wheel. |
D | the kingpin is about 1¼ inches above the fifth wheel. |
Question 32 |
A | sunglasses |
B | rear view cameras |
C | rolled down windows |
D | mirrors |
Question 33 |
A | the trailer is being hauled at high speed. |
B | the trailer is out of brake adjustment. |
C | the trailer is fully loaded or very heavy. |
D | the trailer is empty or lightly loaded. |
Question 34 |
A | over-heated brakes, under-inflated tires |
B | poor-quality retreads, under-inflated tires |
C | dual tires that touch, hot road surfaces |
D | under-inflated tires, dual tires that touch |
Question 35 |
A | One vehicle length for every 10,000 lb. of gross vehicle weight. |
B | The same amount of space you would at night. |
C | More space than is needed for ideal driving conditions. |
D | The same amount of space you would on a dry road. |
Question 36 |
A | roll down the windows. |
B | slap yourself in the face three times. |
C | stop to sleep. |
D | turn up the radio. |
Question 37 |
A | to avoid mixing hazmat with food. |
B | to warn others of hazardous materials. |
C | to combat terrorism. |
D | to make your vehicle look official. |
Question 38 |
A | keep your high beams on at all times. |
B | drink coffee or other caffeine products to help keep you awake. |
C | make sure you are driving slow enough so you can stop within the range of your headlights in case of an emergency. |
D | roll down your window so that the fresh air will help keep you awake. |
Question 39 |
A | Load cargo toward the rear of the truck for easier unloading. |
B | Load more weight over the drive axle for better traction. |
C | Load more cargo toward the front of the truck for a full load. |
D | Load cargo weight evenly over all the axles. |
Question 40 |
A | four times |
B | three times |
C | half |
D | two times |
Question 41 |
A | testing the trailer brakes after hooking up to a trailer. |
B | there is ice and snow, to prevent skidding. |
C | it is absolutely necessary. |
D | you will be parked for a short time. |
Question 42 |
A | turn wide as you complete the turn |
B | start the turn, then back up to re-position |
C | turn wide before you start the turn |
D | turn right and drive over the curb |
Question 43 |
A | Shorter stopping distance. |
B | The same amount of stopping distance. |
C | It depends on what mood you are in at the time. |
D | Greater stopping distance. |
Question 44 |
A | Grease fire. |
B | None of these fires can be safely extinguished by water. |
C | Gasoline fire. |
D | Electrical fire. |
Question 45 |
A | burning |
B | leaks |
C | rubbing |
D | rust |
Question 46 |
A | two |
B | one |
C | four |
D | three |
Question 47 |
A | you have to push harder and harder to get the same stopping power on a downgrade. |
B | there is a slight vibration when you press down on the brake pedal. |
C | you release pressure on the brake pedal and speed increases. |
D | the brake pedal feels firm when you apply pressure. |
Question 48 |
A | both loose fuel connections and under inflated tires |
B | loose fuel connections |
C | overinflated tires |
D | underinflated tires |
Question 49 |
A | keep the cargo as close to the ground as possible. |
B | check to make sure that the brakes are properly balanced. |
C | keep two hands firmly planted on the steering wheel at all times. |
D | downshift into the turn. |
Question 50 |
A | have the same stopping distance as full trucks |
B | need less space ahead than full trucks |
C | require greater stopping distance than full trucks |
D | have better traction when stopping than full trucks |
← | List | → |
1 | 2 | 3 | 4 | 5 |
6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 |
16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 |
26 | 27 | 28 | 29 | 30 |
31 | 32 | 33 | 34 | 35 |
36 | 37 | 38 | 39 | 40 |
41 | 42 | 43 | 44 | 45 |
46 | 47 | 48 | 49 | 50 |
End |
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