La parte horizontal del esca- lón es _____.
a. la huella
b. el contrapeldaño
c. el rellano
d. la tabla de pendiente
Answer: A
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At a compound interest rate of 10% per year, the amount that $10,000 one year ago is equivalent to now is closest to:
(a) $8264 (b) $9091 (c) $11,000 (d ) $12,100
Circuit breaker ratings are given _____.
a. in units of induced voltage b. in terms of interrupting voltage c. on the breaker nameplate d. on the handle in black print
Arrange the following in chronological order: the founding of the (A) American Colonization Society, (B) American Anti-Slavery Society, and (C) Liberty party.
A. A, B, C B. C, A, B C. B, C, A D. A, C, B E. C, B, A
The purpose of purging the lines with nitrogen during brazing is to:
A) Pressurize the lines for leak testing. B) Increase the temperature of the torch flame and decrease brazing time. C) Reduce the amount of refrigerant that must be added once the installation is completed. D) Prevent the formation of copper oxide inside the lines.