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