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