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