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