Why should deionized water be used for cooling high-amperage plasma torches?
A. It is free of materials that can clog the small internal openings in the torch.
B. It is free from conductive ions that can damage torch parts over time.
C. It will not freeze in cold weather.
D. Both a and b are correct.
Answer: D
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Andrew Jackson's inauguration as president symbolized the
A. return of Jeffersonian simplicity. B. newly won ascendancy of the masses. C. supremacy of states' rights over federal power. D. reemergence of a dominant Federalist ethic of government and Federalist economic policies. E. All of these choices are correct.
Technician A says there is no need to lubricate the valve stems upon reassembly. Technician B says intake and exhaust seals are the same materials and shapes. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
What category of electric meter is intended for measurement at the electric meter base?
A) Category II B) Category I C) Category IV D) Category III
A 3D polyline is a single continuous object made of lines and arc segments
Indicate whether the statement is true or false