What is the voltage limit for "low voltage" systems?

A) 600 volts.
B) 240 volts.
C) 1000 volts.


A) 600 volts.

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Which type of radiation is often used in thermoforming? ?

A. ?electron B. ?ultraviolet C. ?infrared D. ?electromagnetic

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List the scales shown on this drawing.

Review drawing number 523663C0A and then answer the question.

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After windows, doors, and skylights are installed, the space between the frame and the structure must be sealed against air infiltration. This is typically accomplished with ____ insulation designed specifically for this purpose.

A. low-expansion spray foam B. flexible plastic C. rubber D. PVC

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The best drawing is the drawing that will relay the most information to technician in the clearest __________.

Fill in the blank(s) with the appropriate word(s).

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