Technician A says that aluminum brake drums use cast iron friction surfaces. Technician B says that up to 0.030 in. (0.8 mm) should be left after machining a drum to allow for wear. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
A 3000 pound vehicle is calculated to have a kinetic energy of 90,000 ft-lb at 28 mph. If the speed of the vehicle remains the same and the weight is doubled to 6000 pounds, what will happen to the calculated kinetic energy?
A) It will increase by the square (x 4), to 360,000 ft-lb
B) It will remain the same
C) It will increase proportionally (x 2), to 180,000 ft-lb
D) None of these is correct
Erosion of palatal surfaces of maxillary teeth due to chronic vomiting.
Deep circular friction around the knee with the fingertips.
Apply superficial friction with the towel to warm and dry the area.
Breakfast cereals rich in iron, vitamin D and vitamin B-12
Kidney beans, steak, and iron-fortified bread and cereal are good sources of iron
The Oil Industry: BOEM iron triangle