Platelets are
A) giant, multinucleated cells.
B) cellular fragments.
C) immature leukocytes.
D) fixed macrophages.
E) surface antigens.
B) cellular fragments.
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Some run-flat tires have sidewall reinforcements.
Answer the following statement true (T) or false (F)
What NEC chapter would you expect to find rules that apply to nonmetallic sheathed cable, metal-clad cable, rigid metal conduit, and electrical metallic tubing?
a. Chapter 2, Wiring and Protection b. Chapter 3, Wiring Methods and Materials c. Chapter 4, Equipment for General Use d. Chapter 5, Special Occupancies
Technician A states that the service diaphragm in a spring brake can be safely changed, providing the spring brake is properly caged with a cage bolt before removing it. Technician B states that it is no longer possible to change the hold-off diaphragms in most spring brake assemblies, because the band clamp cannot be unbolted. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
In which mode does the PLC processor scan the program and manipulate data?
A. Remote program B. Program C. Run D. None of these are correct