General Knowledge Test 3 Welcome to your General Knowledge Test 3 Name Email 1. To avoid rolling backward when you start your vehicle, you should partly engage the clutch before you take your right foot off the brake. stop on a flat area. engage the clutch very quickly. None 2. Name two causes of fires. Tight turns and gravel roads Underinflated tires and dual tires that touch Driver smoking and following too closely None 3. To correct a drive-wheel braking skid, you should keep your foot off the clutch. countersteer. turn slowly. None 4. What are some advantages of going right instead of left around an obstacle? Someone may be passing to the left. You can avoid a head-on collision. Both of the above are advantages. None 5. Is it legal to drive a vehicle if one-fourth of the leaves in a leaf spring are broken or missing? Yes. No. It doesn't make any difference as long as you don't exceed the speed limit. None 6. If you need to leave the road in a traffic emergency, you should avoid braking until your speed has decreased to about 20 mph. tap repeatedly on the brakes. try to get all the wheels off the pavement. None 7. To help you stay alert while driving, you should take cold medicine if you have a cold. schedule trips for hours during which you are normally asleep. take short breaks before you get drowsy. None 8. No matter how small the cargo is, it should have at least 6 tie-downs. 1 tie-down. 2 tie-downs. None 9. Stab braking should not be used in vehicles with air brakes. antilock brakes. spring brakes. None 10. Is it safe to add coolant to a coolant recovery tank or coolant overflow tank while the engine is at operating temperature? No, never. Yes, but only if the coolant recovery container is part of the pressurized system. Yes, as long as the engine isn't overheated. None 11. Name two situations in which the legal maximum weights may not be safe to haul. During bad weather; in the mountains At night; in heavy traffic Through tunnels; over bridges None 12. It takes the body about ____ hours to get rid of the alcohol in four alcoholic drinks. 4 2 6 None 13. Under federal regulations, if a vehicle is carrying a load that is more than two feet wide and extends more than four feet beyond the rear of the vehicle, _________ must be placed at the extreme end of the load in the daytime. one red flag two red flag two red lights None 14. To safely adjust your speed to current driving conditions, what should you look for ahead? Traffic and road conditions Police and weigh stations Road signs and traffic None 15. After you start the engine, how long should it take for the oil pressure gauge to start to rise? It does not matter. Seconds Minutes None 16. To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement? Keep moving at the present speed and steer very gently back onto the pavement. If possible, come to a complete stop before steering back onto the pavement. Brake hard to slow the vehicle; then steer sharply onto the pavement. None 17. Optional safety equipment may include emergency phone numbers, tire chains, and a charged fire extinguisher. warning devices. tire changing equipment. None 18. To prevent a load from shifting, there should be at least one tie-down for every ____ feet of cargo. 15 7 10 None 19. While driving, you see a small (one-foot-square) cardboard box ahead in your lane. You should brake hard to avoid hitting it. steer around it without making a sudden or unsafe move. hit it with your vehicle to knock it off the road. None 20. To prevent skidding, you should adjust to conditions while driving. brake hard at all stops. turn the wheel sharply for all turns. None 21. On a two-way, two-lane road, if you must stop on a hill, how far back should you place your reflective triangles? Within 100 feet behind the vehicle Within 500 feet behind the vehicle Within 250 feet behind the vehicle None 22. Name some important steering system parts. Leaf spring, vehicle frame, and torque rod Tie rod, spindle, and pitman arm Main spring, axle, and spring shackle None 23. The total weight of the powered unit, the trailer, and the cargo is called gross axle weight. gross combination weight. gross vehicle weight. None 24. The distance your vehicle travels from the time your eyes see a hazard to the time your brain recognizes it is called _______ distance. perception braking reaction None 25. The reaction distance is the distance traveled from the time the eyes see a hazard to the time the brain knows that it is a hazard. the eyes see a hazard to the time the foot pushes the brake pedal. the brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal. None 26. Which of the following is true about a vehicle with a high center of gravity? The vehicle is less likely to tip over. The heaviest parts of the cargo should be underneath the lightest parts. The vehicle is less dangerous on curves. None 27. Tie-downs must be of the proper type and strength. According to federal regulations, the aggregate working load limit of the cargo tie-downs must be enough to secure twice the weight of the cargo tied down. three times the weight of the cargo tied down. one-half times the weight of the cargo tied down. None 28. One can recognize hazardous materials by looking at the container's shape color label None 29. You are driving a new truck with a manual transmission. To take a long, steep downhill grade, use a lower gear than you would use to climb the hill. shift into neutral and coast. use the same gear you would use to climb the hill. None 30. The tendency for long commercial vehicles to swing wide on turns is called hydroplaning. off-tracking. fishtailing. None 31. The best drivers watch for hazards and prepare for them in advance. This is called ________ driving. objective offensive defensive None 32. The road you are driving on becomes very slippery because of glare ice. What should you do? Stop driving as soon as you can safely do so. Apply the brakes often to keep the linings dry. Downshift to stop. None 33. While driving at highway speeds, you should look ahead 1/4 mile. 25 feet. 1 mile. None 34. Implied consent means that when you operate a CMV on public roads, you consent to be tested for alcohol in your blood. consent to have your vehicle inspected for alcohol. understand that you may now drink alcohol before driving. None 35. If your vehicle catches fire while you are driving, you should park in an open area. park where trees or a building can shelter your vehicle from the wind. increase your speed to put out the flames. None 36. Name some things you should check on the front of your vehicle during your pre-trip inspection. Low beams, high beams, four-way flashers, and turn signals Windshield wipers, mirrors, and hood latches Oil, transmission, air compressor, and radiator None 37. To prevent brake fade, you should apply constant hard pressure on the brakes. coast down hills that are not very steep inclines. select a gear that will keep your vehicle at a safe speed on steep downgrades. None 38. Medical certificates must be renewed every 4 years. 9 months. 2 years. None 39. If your brakes get wet on a rainy day, what can result? Reduced braking power Hydroplaning Excessive brake wear None 40. It is important to shift gears correctly to keep control of the vehicle. the engine oil flowing. the engine warm. None 41. Truck escape ramps should not be used unless you have already tried all other possible ways to save your vehicle after brake failure. are designed to stop runaway vehicles safely without injuring drivers and passengers. cannot be used by certain types of heavy vehicles. None 42. In your mirror, you see a car approaching from the rear. The next time you check your mirror, you don't see the car. To change lanes, you should assume the car left the roadway and change lanes as usual. wait until you are sure the car isn't in your blind spot. ease into the other lane slowly so the other car can get out of the way. None 43. If you must stop your vehicle beyond a curve that hides your vehicle from other drivers within 500 feet, place your warning devices 10 feet behind and up to 500 feet behind your vehicle. 10 feet behind and up to 100 feet behind your vehicle. 100 feet in front of, 10 feet behind, and 100 feet behind your vehicle. None 44. What are the regulations on the height of splash guards (mud flaps)? They must be no more than 15 inches above the ground when the vehicle is completely unloaded. It depends on the state. They must be no more than 8 inches above the ground when the vehicle is fully loaded. None 45. The braking effect of the engine is greatest when the engine is _____ the governed rpm and the transmission is in the ______ gears. near; lower below; higher above; lower None 46. In your pre-trip inspection, you are checking your steering and exhaust systems. Which of these problems should be fixed before the vehicle is driven? Steering play in excess of 10 degrees White smoke from the exhaust pipe before the vehicle warms up Oil on the tie rod None 47. If you must stop on a road or the shoulder of any road, you must set out your emergency warning devices within five minutes. ten minutes. fifteen minutes. None 48. Trucks and buses are subject to certain laws, restrictions, and regulations. Which of these statements is true? Federal regulations apply only to trucks and buses driven at least 50 miles on a trip. County and city laws do not apply to trucks and buses engaged in interstate commerce. Laws and restrictions can vary from place to place. None 49. The best way to stop all skids is to use stab or controlled braking. countersteer and accelerate. restore traction to the tires. None 50. Stab braking should never be used. involves releasing the brakes only after the wheels lock up. involves steady pressure on the brake pedal without locking the wheels. None 1 out of 50 Please fill in the comment box below. 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