How do technicians increase the blower speed in a belt-driven motor?
A) They loosen belt tension. B) They tighten belt tension.
C) They decrease pulley spread. D) They increase the pulley spread.
C
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One method for sketching a(n) ____________________ is to first construct a right angle (square corner).
Fill in the blank(s) with the appropriate word(s).
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What is an ice dam protection membrane in a steep roof and where is it needed?
What will be an ideal response?
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An alternative has the following cash flows: benefits = $50,000 per year; disbenefits = $27,000 per year; costs = $25,000 per year. The B/C ratio is closest to: (choose one)
(a) 0.92 (b) 0.96 (c) 1.04 (d) 2.00
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Thermal energy is produced by:
A. Heat B. Light C. Splitting atoms D. Moving electrons
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