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