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