48. The center of gravity of a load:

a. should be kept as high as possible.
b. can make a vehicle more likely to tip over on curves if it is high.
c. is only a problem if the vehicle is overloaded.
d. All of the above.

49. Which of these statements about marking a stopped vehicle is true?

a. If a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear reflective triangle should be moved back down the road to give adequate warning.
b. You do not need to put out reflectîve triangles unless the vehicle will be stopped for 30 minutes or more.
c. The vehicle's tail lights should be kept on to warn other drivers.
d. All of the above are true.

50. You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is true?

a. Brake shoes should not have oil grease or brake fluid on them.
b. Brake pads should not have brake fluid on them.
c. One missing leaf in a leaf spring can be dangerous.
d. All of the above are true.

51. When driving through work zones, you should:

a. turn on your flashers.
b. drive slowly.
c. use your brake lights to warn drivers behind you.
d. do all of the above.

52. You are driving a vehicle at 55 mph on dry pavement. About how much total stopping distance will you need to bring it to a stop?

a. The length of the vehicle.
b. Twice the length of the vehicle.
c. Half the length of a football field.
d. The length of a football field.

53. You must park on the side of a level, straight, four lane, divided highway. Where should you place the reflective triangles?

a. One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear.
b. One within 10 feet of the reae of the vehicle, one about 100 feet to the rear, and one about 100 feet to the front of the vehicle.
c. One about 50 feet to the rear of the vehicle, one about 100 feet to the rear and one about 100 feet to the front of the vehicle.
d. One within 10 feet of the front of the vehicle, one about 200 feet to the front, and one about 100 feet to the rear.

Answers: (48)b   (49)a   (50)d   (51)d   (52)d   (53)a