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