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