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