Why do you think cobalt radiation can penetrate farther into plastics than can electron beam radiation?
What will be an ideal response?
The radiation from radioactive cobalt is ?-particles. The high penetration of these particles, when compared with electrons in an electron beam, is due to the high energy of the ?-particles.
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How is wire mesh taken off? How is it ordered?
What will be an ideal response?
What does the instruction DEC A do?
A) It decimates the contents of the accumulator. B) It decongests the contents of the accumulator. C) It digitizes the contents of the accumulator. D) It decrements the contents of the accumulator.
As an operational safety check, the equipment rooms for combustion appliances should be checked for high:
A) Carbon dioxide levels. B) Nitrogen levels. C) Carbon monoxide levels. D) Oxygen levels.
The most current edition of the NFPA 70E was published in _________________________.
A. 2000 B. 2005 C. 2009 D. 2011