General Knowledge Test 4 Welcome to your General Knowledge Test 4 Name Email 1. What are two ways to know when to upshift? Use engine speed (rpm) and road speed (mph). Use engine speed (rpm) and road signs. Use your watch and engine sounds. None 2. You should try to park your vehicle so that you can pull forward when you leave. your vehicle is protected by trees or some overhang. there is at least one curb next to your vehicle. None 3. What is the minimum tread depth for front tires? 1/32 inch 4/32 inch 2/32 inch None 4. It is illegal to drive a CMV if your blood alcohol concentration (BAC) is ______ or above. 0.04% 0.02% 0.06% None 5. When you're driving at 55 mph under good driving conditions, your total stopping distance will be at least 419 feet. at least 216 feet. at least 353 feet. None 6. When roads are slippery, you should make turns as carefully as possible. decrease the distance that you look ahead of your vehicle. stop and test the traction while going up hills. None 7. When driving through roadway work zones, you should reduce speed only if workers are close to the roadway. turn on your parking lights. watch for sharp pavement drop-offs. None 8. While driving, you should use your mirrors to check where the rear of your vehicle is while you make turns. your blind spots only. if your running lights are working properly. None 9. What is the proper way to hold the steering wheel? Firmly, with your hands on opposite sides of the wheel Firmly, with one hand at the top of the wheel and the other hand at the bottom of the wheel With your right hand on the wheel None 10. What is the first thing you should try to do if your brakes fail while you're driving downhill? Call or radio for help. Get off the road as soon as possible. Shut off the engine. None 11. Wheel bearing seals should be checked for gasoline. leaks. color changes. None 12. When backing, why is it important to have a helper? It makes people think you're a better driver. There are blind spots you can't see. It's more fun when you have help. None 13. When driving a commercial vehicle whose height is over 13 feet, you should assume all clearances are high enough. stop and make sure if you aren't certain that a clearance is high enough. not worry about the height clearance as long as you stay on state or federal highways. None 14. What will happen if your blood alcohol concentration (BAC) is found to be more than zero but less than 0.04%? Since it is a small amount, there will be no repercussions. You will get a warning and a fine. You will be put out-of-service for 24 hours. None 15. What should the wheel bearing seals be checked for? The color of paint used on the cover The hub oil level and possible leaks Cleanliness None 16. What three things related to cargo are the driver's responsibility? Preparing the shipping papers, inspecting the cargo, and properly securing the cargo Inspecting the cargo, recognizing overloads, and properly securing the cargo Weighing the cargo, properly securing the cargo, and delivering the cargo None 17. What should you do if you get stuck on the railroad tracks? Scream for help. Get out of your vehicle and away from the tracks. Stay in your vehicle. None 18. What is your most valuable way to see the sides and rear while driving? Get out and inspect the areas. Check your mirrors regularly. Look out the window. None 19. When you're driving in cold weather, your tires must have at least 4/32-inch tread depth. have at least 6/32-inch tread depth. provide enough traction to steer and push the vehicle through snow. None 20. When you drive in the mountains, you will have to use lower gears to drive safely down grades. Which of these does NOT affect your choice of gears? Length of the grade Type of tire tread Weight of the load None 21. When a doctor prescribes medication for you and you know you will be driving, you should take the medication but stop taking it if you notice it is affecting your driving. take the medication as well as other medications to keep you alert. ask the doctor if the medication will affect your ability to drive. None 22. When you check the condition of visible parts during your pre-trip inspection, make sure that the ___________ are secured against snagging, rubbing, or wearing. primary and secondary safety cab locks air lines and electrical cables frame and cross members None 23. What is the minimum tread depth for tires other than steering axle tires? 2/32 inch 4/32 inch 3/32 inch None 24. When inspecting mirrors and windshields for cracks, dirt, illegal stickers, and other obstructions to your vision, you should clean and adjust as necessary. not worry about any of it. look in the mirror to see if you look good. None 25. You are driving a truck with a manual transmission. While driving on an uphill grade, you have to stop the truck on the shoulder. Which of these is a good rule to follow when putting it back in motion up the grade? Use the parking brake to hold the vehicle until the clutch engages. Let the vehicle roll straight backward a few feet before you engage the clutch. Keep the clutch slipping while slowly accelerating. None 26. When driving at night, use your low beams when an oncoming vehicle is within 500 feet. 300 feet. 400 feet. None 27. What is countersteering? Steering in the opposite direction from what other drivers expect you to Turning the wheel in a counterclockwise fashion Turning the wheel back in the other direction after steering to avoid a hazard None 28. What does "communicating" mean in safe driving? Letting other drivers know you're there Using hand signals Driving brightly colored vehicles None 29. Your total stopping distance equals the sum of your perception distance, reaction distance, and braking distance. observation distance, reaction distance, and braking distance. attention distance, reaction distance, and slowing distance. None 30. When driving on grades, which of these is the best choice for a safe speed? Follow the vehicle in front of you. If you have a light load, go faster than you would with a heavy load. Based on your vehicle and its cargo, select a speed that is safe within the posted limit. None 31. What checks should you perform on the steering gear box? The steering box should not be missing any nuts, bolts, or cotter keys. Up to one-fourth of the steering parts may be broken. The steering box should not have mismatched, bent, or cracked lug nuts. None 32. What effects can wet brakes cause? Your foot can get tired. Brakes can work better. Brakes can grab or become weak. None 33. When should you downshift an automatic transmission? When going up grades When going around curves When going down grades None 34. When approaching a traffic light that has been green for a long time, you should accelerate so you get through the light. continue at your current speed. start to slow down so you will be ready to stop. None 35. When driving in an area with few streetlights on a clear night, if you cannot see well with your headlights, you should use your high beams when legal and keep your interior lights off. turn your interior lights on. find another route that is better lit. None 36. What should you do if your vehicle hydroplanes? Countersteer hard. Accelerate slightly. Release the accelerator. None 37. What should you do if a car coming toward you at night keeps its high beams on? Flash your high beams at the other driver. Slow down and look straight ahead in your lane. Look toward the right edge of your lane or the right edge of the road. None 38. What is black ice? Dirty snow A thin layer of ice clear enough that you can see the road underneath it Rain and snow mixed None 39. What is the definition of "sleep debt?" The amount of sleep you get each day The cumulative effect of not getting enough sleep The money you owe hotels after resting there None 40. What is a "pull-up?" A maneuver performed by a tow truck to pick up an overturned truck When pulling off the shoulder, pulling up until the trailer is straight Pulling forward while backing a trailer to reposition it None 41. When looking ahead of your vehicle while you are driving, you should look as far as your peripheral vision can see. back and forth, near and far. to the right side of the road. None 42. What things should you check during a trip? Watch gauges and mirrors and use your senses to check for problems. Check load stability by slightly swerving left to right in your lane. Check your maps and directions and the weather report. None 43. When you are passing a pedestrian, a bicyclist, or another vehicle, you should assume that they will move out of your lane of traffic. see you. may move into your traffic lane. None 44. When must you wear a seat belt? Whenever you're driving a CMV Only in states where the law requires it Whenever you are hauling hazardous materials None 45. Which of the following statements about tank vehicles is true? Special skills are required to haul liquid tanks. All tank vehicles have some sort of bulkhead or baffle. The term "tank vehicle" refers only to those vehicles having a permanently attached tank. None 46. When should you review the post-trip inspection report from the previous driver? You should review it during your pre-trip inspection. You should review it once a week. It doesn't have to be reviewed. None 47. What is hydroplaning? When the tires skim over the road surface Driving in the snow When you hit a pothole None 48. What should you do before driving if you are sleepy? Get some sleep. Drink some coffee. Take some caffeine pills. None 49. What is the most important reason for being alert to hazards? Accident reports will be accurate. You will have time to plan your escape if the hazard becomes an emergency. Law enforcement personnel can be called. None 50. When checking your vehicle's lights during your pre-trip inspection, you should turn off the engine and take the key with you. turn on the headlights and four-way flashers. do both of the above. None 1 out of 50 Please fill in the comment box below. Time's up
