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