Compare older UV lights used for fluoresecent dye and newer flashlight models

What will be an ideal response?


Older UV lights were large, required 120 volts, and used expensive mercury vapor bulbs. Newer models use battery powered LED lights. These are far easier to use and less costly to maintain.

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Mechanical beveling does not leave the _____ commonly left by thermal methods.

a. same angle b. burrs c. pitting d. oxides

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Las lámparas con temperaturas de color de _____ y mayores producen una luz que se considera de tono frío.

a. 3.000K b. 3.500K c. 4.100K d. 5.000K

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When calculating the total resistance of a parallel circuit, the result will always be lower than the lowest resistance.

Answer the following statement true (T) or false (F)

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The ABS computer uses what signal characteristic from a wheel speed sensor?

A) Voltage B) Electromagnetic C) Frequency D) Resistance

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