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
Congratulations! You have completed the General Knowledge CDL Practice Quiz.
You scored %%SCORE%% out of %%TOTAL%%.
Your performance has been rated as %%RATING%%
Pass your CDL Knowledge Exam the first time! Click here to get the Complete CDL Cheat Sheet Study Package for all 50 states! Question 1 |
A | because law enforcement may inspect your vehicle on the road. |
B | to help ensure the vehicle will make it to your destination. |
C | to ensure safety for yourself, your passengers, and other drivers. |
D | because it is a requirement for all drivers. |
Question 2 |
A | require greater stopping distance than full trucks |
B | have better traction when stopping than full trucks |
C | need less space ahead than full trucks |
D | have the same stopping distance as full trucks |
Question 3 |
A | four |
B | two |
C | three |
D | one |
Question 4 |
A | rust |
B | rubbing |
C | burning |
D | leaks |
Question 5 |
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 6 |
A | a dry bulk tank should only be filled halfway. |
B | the load should not get wet. |
C | the load can shift. |
D | the load can catch fire easily. |
Question 7 |
A | seal is secure. |
B | load is properly secured. |
C | placard numbers match the seal numbers. |
D | seal is authentic. |
Question 8 |
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 9 |
A | one inch |
B | one half inch |
C | three inches |
D | two inches |
Question 10 |
A | neither of these. |
B | the legal weight limits. |
C | the weight of the liquid. |
D | both of these. |
Question 11 |
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 curve. |
D | before starting down a hill and before entering a tunnel. |
Question 12 |
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 13 |
A | Gasoline fire. |
B | Grease fire. |
C | Electrical fire. |
D | None of these fires can be safely extinguished by water. |
Question 14 |
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 15 |
A | downshift into the turn. |
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 | check to make sure that the brakes are properly balanced. |
Question 16 |
A | seven or more. |
B | none of these. |
C | three or more. |
D | five or more. |
Question 17 |
A | Pedestrians and bicyclists. |
B | All of these are considered a hazard. |
C | A stopped transit bus. |
D | Road construction zones. |
Question 18 |
A | vehicles, traffic signs |
B | law enforcement officers, detours |
C | tunnels, overpasses |
D | truck stops, gas stations |
Question 19 |
A | loose fuel connections |
B | eating spicy food in the truck cab |
C | both loose fuel connections and under inflated tires |
D | under inflated tires |
Question 20 |
A | roll down the windows. |
B | turn up the radio. |
C | slap yourself in the face three times. |
D | stop to sleep. |
Question 21 |
A | turn wide before you start the turn |
B | turn right and drive over the curb |
C | turn wide as you complete the turn |
D | start the turn, then back up to re-position |
Question 22 |
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 23 |
A | A minimum of three. |
B | A minimum of two. |
C | A minimum of four. |
D | A minimum of one. |
Question 24 |
A | use windshield washer fluid as coolant. |
B | check the coolant level of a hot engine. |
C | use only water in the cooling system. |
D | safely remove the radiator cap and add coolant while the engine is hot. |
Question 25 |
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 26 |
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 27 |
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 28 |
A | Greater stopping distance. |
B | It depends on what mood you are in at the time. |
C | Shorter stopping distance. |
D | The same amount of stopping distance. |
Question 29 |
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 30 |
A | if any problems occurred the last the time the vehicle was operated. |
B | before operating the vehicle. |
C | at least once a week. |
D | whenever you stop to refuel. |
Question 31 |
A | 4/32-inch in every major groove. |
B | 3/32-inch in every major groove. |
C | 2/32-inch in every major groove. |
D | 5/32-inch in every major groove. |
Question 32 |
A | exempt from hazardous materials restrictions. |
B | exempt from height restrictions. |
C | exempt from weight limit restrictions. |
D | generally used when freight is carried part way by rail or ship. |
Question 33 |
A | Pump the brake pedal 5 times; push the pedal firmly 3 seconds; the pedal should not move. |
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 | Push the brake pedal firmly 5 seconds; listen for leaks. |
Question 34 |
A | Because some liquids expand more than others when they get warm. |
B | Because tank baffles are not always legal with outage. |
C | Because some of the heaviest liquids don’t need any. |
D | Because it's good to know that information. |
Question 35 |
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 36 |
A | the lug nut is loose. |
B | the lug nut is cheap. |
C | the wheel needs cleaning. |
D | the lug nut needs to be replaced. |
Question 37 |
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 38 |
A | decreases when the service breaks are hot. |
B | depends on the service brakes being in adjustment. |
C | is not affected by the condition of the service brakes. |
D | increases when the service brakes are hot. |
Question 39 |
A | mirrors |
B | sunglasses |
C | rolled down windows |
D | rear view cameras |
Question 40 |
A | More space than is needed for ideal driving conditions. |
B | The same amount of space you would on a dry road. |
C | One vehicle length for every 10,000 lb. of gross vehicle weight. |
D | The same amount of space you would at night. |
Question 41 |
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 42 |
A | poor-quality retreads, under-inflated tires |
B | over-heated brakes, under-inflated tires |
C | under-inflated tires, dual tires that touch |
D | dual tires that touch, hot road surfaces |
Question 43 |
A | Using turn signals, 4-way flashers, headlights, and the horn. |
B | Using hand signals. |
C | Using your CB radio or cell phone to inform others. |
D | Using a helper when backing up. |
Question 44 |
A | driving too fast for road conditions. |
B | driving too slow for road conditions. |
C | bad tires. |
D | poorly adjusted brakes. |
Question 45 |
A | two times |
B | half |
C | four times |
D | three times |
Question 46 |
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 47 |
A | Perception distance, reaction distance, and braking distance. |
B | Perception distance, response distance, and reaction distance. |
C | Perception distance, slowing distance, and braking distance. |
D | Observation distance, reaction distance, and slowing distance. |
Question 48 |
A | Use a lower gear than you would use to climb the hill. |
B | Use a higher gear than you would use to climb the hill. |
C | Use the same gear you would use to climb the hill. |
D | Shift the truck into neutral and coast down the hill to save gas. |
Question 49 |
A | offtracking. |
B | sidetracking. |
C | fishtailing. |
D | slidetracking. |
Question 50 |
A | All of these things happen. |
B | Muscle control and coordination are affected. |
C | Judgment and self-control are the first to be affected. |
D | The drinker's brain is increasingly affected. |
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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
Congratulations! You have completed the General Knowledge CDL Practice Test.
You scored %%SCORE%% out of %%TOTAL%%.
Your performance has been rated as %%RATING%%
Pass your CDL Knowledge Exam the first time! Click here to get the Complete CDL Cheat Sheet Study Package for all 50 states! Question 1 |
A | Observation distance, reaction distance, and slowing distance. |
B | Perception distance, response distance, and reaction distance. |
C | Perception distance, reaction distance, and braking distance. |
D | Perception distance, slowing distance, and braking distance. |
Question 2 |
A | Shift the truck into neutral and coast down the hill to save gas. |
B | Use a higher gear than you would use to climb the hill. |
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 3 |
A | three times |
B | half |
C | four times |
D | two times |
Question 4 |
A | the load can catch fire easily. |
B | the load can shift. |
C | the load should not get wet. |
D | a dry bulk tank should only be filled halfway. |
Question 5 |
A | law enforcement officers, detours |
B | vehicles, traffic signs |
C | truck stops, gas stations |
D | tunnels, overpasses |
Question 6 |
A | depends on the service brakes being in adjustment. |
B | decreases when the service breaks are hot. |
C | is not affected by the condition of the service brakes. |
D | increases when the service brakes are hot. |
Question 7 |
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 8 |
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 | Turn on your four-way flashers as you approach the offramp. |
C | Slow to a safe speed before the curve. |
D | Downshift after you are in the curve. |
Question 9 |
A | five or more. |
B | three or more. |
C | none of these. |
D | seven or more. |
Question 10 |
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 11 |
A | there is ice and snow, to prevent skidding. |
B | you will be parked for a short time. |
C | it is absolutely necessary. |
D | testing the trailer brakes after hooking up to a trailer. |
Question 12 |
A | whenever you stop to refuel. |
B | at least once a week. |
C | if any problems occurred the last the time the vehicle was operated. |
D | before operating the vehicle. |
Question 13 |
A | Shorter stopping distance. |
B | Greater stopping distance. |
C | It depends on what mood you are in at the time. |
D | The same amount of stopping distance. |
Question 14 |
A | two inches |
B | one half inch |
C | three inches |
D | one inch |
Question 15 |
A | overinflated tires |
B | loose fuel connections |
C | both loose fuel connections and under inflated tires |
D | underinflated tires |
Question 16 |
A | All of these things happen. |
B | The drinker's brain is increasingly affected. |
C | Muscle control and coordination are affected. |
D | Judgment and self-control are the first to be affected. |
Question 17 |
A | To direct traffic away from you. |
B | To see the blind spots you can't see. |
C | To watch for steering errors. |
D | To prevent others from distracting you. |
Question 18 |
A | road conditions are excellent. |
B | you are driving on hilly, rural roads. |
C | you are driving on the freeway. |
D | the road is wet, icy, or snow covered. |
Question 19 |
A | turn right and drive over the curb |
B | start the turn, then back up to re-position |
C | turn wide before you start the turn |
D | turn wide as you complete the turn |
Question 20 |
A | Oil on the tie rod. |
B | Play in the steering wheel of more than ten degrees (two inches on a 20-inch steering wheel). |
C | Play in the steering wheel of more than five degrees. |
D | Too many vertical stacks. |
Question 21 |
A | Road construction zones. |
B | A stopped transit bus. |
C | All of these are considered a hazard. |
D | Pedestrians and bicyclists. |
Question 22 |
A | A minimum of two. |
B | A minimum of four. |
C | A minimum of one. |
D | A minimum of three. |
Question 23 |
A | driving too fast for road conditions. |
B | driving too slow for road conditions. |
C | poorly adjusted brakes. |
D | bad tires. |
Question 24 |
A | three |
B | two |
C | four |
D | one |
Question 25 |
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 26 |
A | stop to sleep. |
B | turn up the radio. |
C | roll down the windows. |
D | slap yourself in the face three times. |
Question 27 |
A | the lug nut is cheap. |
B | the lug nut needs to be replaced. |
C | the wheel needs cleaning. |
D | the lug nut is loose. |
Question 28 |
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 | the kingpin is about 1¼ inches above the fifth wheel. |
D | it will be raised slightly when the tractor is backed under it. |
Question 29 |
A | seal is authentic. |
B | load is properly secured. |
C | placard numbers match the seal numbers. |
D | seal is secure. |
Question 30 |
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 31 |
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 32 |
A | safely remove the radiator cap and add coolant while the engine is hot. |
B | use windshield washer fluid as coolant. |
C | check the coolant level of a hot engine. |
D | use only water in the cooling system. |
Question 33 |
A | fishtailing. |
B | offtracking. |
C | sidetracking. |
D | slidetracking. |
Question 34 |
A | exempt from height restrictions. |
B | generally used when freight is carried part way by rail or ship. |
C | exempt from weight limit restrictions. |
D | exempt from hazardous materials restrictions. |
Question 35 |
A | poor-quality retreads, under-inflated tires |
B | dual tires that touch, hot road surfaces |
C | under-inflated tires, dual tires that touch |
D | over-heated brakes, under-inflated tires |
Question 36 |
A | 2/32-inch in every major groove. |
B | 3/32-inch in every major groove. |
C | 4/32-inch in every major groove. |
D | 5/32-inch in every major groove. |
Question 37 |
A | the trailer is fully loaded or very heavy. |
B | the trailer is being hauled at high speed. |
C | the trailer is out of brake adjustment. |
D | the trailer is empty or lightly loaded. |
Question 38 |
A | None of these fires can be safely extinguished by water. |
B | Gasoline fire. |
C | Grease fire. |
D | Electrical fire. |
Question 39 |
A | the legal weight limits. |
B | neither of these. |
C | both of these. |
D | the weight of the liquid. |
Question 40 |
A | Put your warning devices out within 15 minutes. |
B | Warn other drivers by using your left turn signal lights. |
C | Keep your low beam lights on. |
D | Turn on your 4-way emergency flashers to warn other drivers. |
Question 41 |
A | because it is a requirement for all drivers. |
B | to help ensure the vehicle will make it to your destination. |
C | to ensure safety for yourself, your passengers, and other drivers. |
D | because law enforcement may inspect your vehicle on the road. |
Question 42 |
A | Using turn signals, 4-way flashers, headlights, and the horn. |
B | Using a helper when backing up. |
C | Using your CB radio or cell phone to inform others. |
D | Using hand signals. |
Question 43 |
A | More space than is needed for ideal driving conditions. |
B | The same amount of space you would at night. |
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 44 |
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 45 |
A | leaks |
B | rust |
C | burning |
D | rubbing |
Question 46 |
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 47 |
A | there is a slight vibration when you press down on the brake pedal. |
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 | you release pressure on the brake pedal and speed increases. |
Question 48 |
A | you want to avoid doing something all of a sudden. |
B | you want to have a plan to communicate the risk. |
C | it is a federal law. |
D | you want to have time to act before it turns into an emergency. |
Question 49 |
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 50 |
A | sunglasses |
B | rolled down windows |
C | mirrors |
D | rear view cameras |
← |
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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