Which of the following insulating materials is available in the form of batts?

A) Fiberglass
B) Extruded polystyrene
C) Expanded perlite
D) Insulating concrete
E) None of the above


A) Fiberglass

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From which layer of the OSI model does Transfer Control Protocol (TCP) operate?

A. The physical layer B. The frame layer C. The transport layer D. The application/process layer

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______________ are procedures put into place to limit employee exposure to hazards.

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

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What kind of code can be displayed on a smartphone screen that allows passengers to use their phone in place of a boarding pass?

A. QR B. EPC C. IFF D. UPC

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After brazing a joint in a very tight location, the technician would use an _________________________ to determine if the joint is properly brazed.

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

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