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