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