Two technicians are discussing a diagnostic procedure where a tire and wheel is spun freely with the vehicle on a hoist. Technician A says that if the treads appear to move inward and outward the tire should be balanced. Technician B says that if the treads move inward and outward the tire is defective and should be replaced. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
B
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PROBLEM 2.42 A steel tube (E = 200 GPa) with a 32-mm outer diameter and a 4-mm wall thickness is placed in a vise that is adjusted so that its jaws just touch the ends of the tube without exerting any pressure on them. The two forces shown are then applied to the tube. After these forces are applied, the vise is adjusted to decrease the distance between its jaws by 0.2 mm. Determine (a) the forces exerted by the vise on the tube at A and D, (b) the change in length of portion BC of the tube.
La finalidad del ciclo de descongelamiento en las bombas de calor es:
a. calentar los circuitos de la unidad para que el funcionamiento eléctrico sea óptimo. b. evitar que se acumule hielo en la bobina interna. c. evitar que se acumule hielo en la bobina externa. d. quitar la acumulación de escarcha en los conductos del sistema.
The ____________________ that connect the symbols in a flowchart represent the direction in which the program flows.
Fill in the blank(s) with the appropriate word(s).
Most analog sensors can produce only very weak signals.
Answer the following statement true (T) or false (F)