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