Cuando se empalman viguetas de techo, debe haber una superposición mínima de ____.
a. 6" (15.2 cm)
b. 8" (20.3 cm)
c. 12" (30.5 cm)
d. 18" (45.7 cm)
Answer: A
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Which of the following can help reduce discomfort from embedded glass fibers when working with fiberglass insulation products?
a. Taking a hot shower when the work is complete. b. Applying talcum powder before beginning. c. Applying lotion before beginning. d. Taking a cold shower before beginning.
The major diameter is also called the:
A. Pitch diameter B. Minor diameter C. Nominal diameter D. Pitch
Convert a reading of 18 in Hg vacuum to psia
A) 30 + 18 in Hg vacuum = 48 in Hg absolute (rounded)48 in Hg absolute/2 = 24 psia (rounded) B) 18 in Hg/2 = 9 psia (rounded) C) 30 — 18 in Hg vacuum = 12 in Hg absolute (rounded)12 in Hg absolute/2 = 6 psia (rounded) D) 18 in Hg + 30 = 48 psia (rounded)
Technician A says that the catalyst efficiency monitor evaluates the catalyst's ability to store oxygen. Technician B says the comprehensive component monitor looks for circuit shorts and opens. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B