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