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