General Knowledge Test 8 Welcome to your General Knowledge Test 8 Name Email 1. Which of these statements about accelerating in a tractor-trailer is true? Rough acceleration can cause mechanical damage. It's dangerous to apply the trailer hand valve when you're starting off. You should feel a jerking motion if you are accelerating your vehicle properly. 2. If you must cross into the oncoming lane as you make a right turn, you should back up to allow oncoming traffic to pass. complete your turn without stopping. watch for oncoming traffic. 3. Which of these statements about a pre-trip inspection is true? If you're parked on a street, face away from oncoming traffic. If you need to tilt the cab, secure loose items first. Leave the key in the ignition. 4. The speed at which you drive should be determined by which of the following? Your visibility Your schedule Your engine type 5. Which of these statements about emergency braking is FALSE? How you brake in an emergency situation is not that important. You should not press the brake pedal as hard as you can. You should brake in a way that will keep your vehicle in a straight line. 6. You can use water to extinguish which of the following fires? Electrical fires Tire fires Gasoline fires 7. The road you are driving on becomes very slippery from glare ice. Which of the following should you do? Stop driving as soon as you can safely do so. Keep varying your speed by accelerating and braking. Downshift to stop. 8. What does emergency braking mean? Pressing the brake pedal as hard as you can Responding to a hazard by slowing your vehicle Using your vehicle's emergency brake 9. Which of these statements about your overhead clearance is true? Warnings are always posted for low-clearance areas like bridges and overpasses. The weight of cargo can change the height of your vehicle. Paving a road does not affect the clearance height under bridges or overpasses. 10. In the event of a rear tire failure, dual rear tires will usually prevent fishtailing. will allow you to brake immediately. may prevent vibration or thumping. 11. Which do NOT provide extra gears on some trucks? Auxiliary transmissions Automatic transmissions Multi-speed rear axles 12. Which of these statements about hazardous materials is true? Trucks carrying hazardous materials are allowed on all public roads if the trucks are loaded correctly. All hazardous materials present a health and safety threat. Every truck carrying any amount of hazardous materials must have placards. 13. What is the primary cause of fatal crashes? Driving too fast Driving while eating Driving at night 14. If your brakes fail on a downgrade, what should you do? Look outside your vehicle for another means of slowing down. Hit some object in order to stop your vehicle. Wait until you find an escape ramp to exit the roadway. 15. When the roads are slippery, you should decrease the distance that you look ahead of your vehicle. stop and test the traction while going up hills. make turns as gently as possible. 16. What happens to tar in road pavement during hot weather? It bleeds. It becomes gummy. Nothing happens to it. 17. Which of these is a danger of crossing railroad tracks on dirt roads? Your tires could sink into the dirt and not cross the tracks. You could get hung up halfway across the tracks. The ground underneath the tracks may not be stable. 18. Which of these statements about speed management in freezing weather is true? Shady parts of the road will provide better traction than open areas. Road surfaces will freeze before bridges. Slight melting will make icy surfaces more slippery. 19. Most serious skids result from driving too fast for conditions. turning too sharply. an uneven load. 20. Which of these statements about shipping hazardous materials is true? A four-inch, diamond-shaped hazardous materials label must be on the container. Gas cylinders that will not hold a label must be shipped under cover. A four-inch, circular, red hazardous materials label must be on the container. 21. Which of these statements about mirror adjustment in a tractor-trailer is true? The mirrors can be adjusted correctly even if the trailer is not straight. You should adjust your mirrors before starting your trip. You can adjust the mirrors while you are driving. 22. Before you drive in the mountains, what should you do? Unhook your steering axle brakes. Learn the escape ramp locations on your route. Carry tire chains in your vehicle. 23. Which of these is the proper way to change lanes? Signal just as you begin to change lanes, and drift over slowly. Signal before you change lanes, and move over quickly. Signal before you change lanes, and change lanes slowly and smoothly. 24. Which of these may be a sign of tire failure? Vibration A loud hissing noise Wheels skidding 25. Which of these statements about inspection of suspension components is true? Axle mounts should be checked at each point where they are secured to the vehicle frame and axle. Distorted coil springs are safe as long as they are not broken. Suspension components should be checked on all axles, except for the power unit. 26. In winter, which of these systems should receive extra attention during an inspection? Suspension Exhaust Steering 27. Which of these pieces of emergency equipment must always be carried in your vehicle? First-aid kit Warning devices for stopped vehicles Circuit breakers 28. Should brake adjustments be checked often? It depends on how new the brakes are. No, because the other brakes will compensate for a brake that is out of adjustment. Yes, because brakes can get out of adjustment when they are used a lot. 29. If you wish to turn left and there are two left-turn lanes, which of the following should you NOT do? Use the right-hand turn lane. Start your turn from the center of the intersection. Start in the inside lane and swing right as you turn. 30. Which of the following can be tested in a moving vehicle? Hydraulic brake Service brake Parking brake 31. Which of these is true about the radiator shutters and the winterfront during winter driving? You should remove ice from the radiator shutters. The engine may overheat if the winterfront is left open. The winterfront should be closed tightly. 32. When you are driving on a snow-packed road, you should reduce your speed by at least one-quarter. one-third. one-half. 33. If the coolant container is part of the pressurized system, which of the following is true? You can add coolant even while the engine is hot. You never need to check the coolant level. You may be able to check the coolant level even while the engine is hot. 34. Which of these statements about engine overheating is true? You should never remove the radiator cap on a pressurized system until the unit has cooled. You should never shut off an overheated engine until it has cooled. Antifreeze is not needed when the weather is warm. 35. What should you do when you see a hazard in the roadway ahead of you? Swerve around it and get back in your lane. Stop quickly and pull to the side of the road. Use your four-way flashers or brake lights to warn others. 36. Tire chains should never be used on asphalt. should always be carried when driving in winter weather. should only be used on the drive wheels. 37. Medicines for the common cold can make you sleepy and should not be used while you're driving. should only be used when you're driving in the daytime. can be used when you're driving if you only take half the regular dosage. 38. Which of these is NOT a brake check you normally do during your walkaround inspection? Hydraulic brake cylinder leaks Brake adjustment Condition of hoses 39. When starting a bus on a level surface with good traction, there is often no need for a tire check. slow acceleration. the parking brake. 40. If you have to complete a vehicle inspection report, you must sign it when any defects are noted. only when defects are noted that are certified to not need repair. only when defects are noted that are certified to be repaired. 41. Which of these is true about notifying authorities after an accident occurs? You don't have to give the police the exact location; just identify the road and the vehicles involved. You should notify the police about the accident before you do anything else. If you have a CB radio, use it to notify the police before you exit your vehicle. 42. You're behind the wheel of a tractor-trailer. When starting to move up a hill from a stop, you should release the parking brake as you apply engine power. keep the trailer brake hand valve applied until you reach 20 mph. engage the clutch and accelerate quickly. 43. When should you learn how a fire extinguisher works? Only when a fire happens Only when you are transporting flammable materials Before a fire happens 44. If you're not sure what to use to put out a hazardous materials fire, what should you do? Wait for qualified firefighters. Use water. Use dirt. 45. Most skids are caused by driving too fast or trying to stop too quickly. will not happen with radial tires. happen on ice. 46. Which of the following is true about drinking alcohol? Alcohol first affects judgment and self-control. Small quantities of alcohol improve reaction time. The driver can control how fast the body gets rid of alcohol. 47. Sometimes you must leave the road to avoid a hazard or emergency. When you do so, you should keep in mind which of the following? It is less dangerous to drive onto the shoulder than to risk a collision. Most shoulders are not strong enough to support the weight of a large vehicle. You may be unable to re-enter the road because of the gravel used on shoulders. 48. How or where is cargo blocking used? Add description here! Loosely around the cargo In the front, back, or sides of the cargo From the upper part of the cargo to the floor 49. Which of the following is NOT characteristic of a front tire failure? Vehicle fishtailing Steering wheel twisting Difficult steering 50. Which of these statements about rear drive-wheel braking skids is true? The front wheels slide sideways to try to "catch up" with the rear wheels. With a tractor-trailer, the trailer can push the tractor sideways. Locked wheels usually have more traction than rolling wheels. 1 out of 50 Please fill in the comment box below. Time is Up! Time's up
