The drainage class of a soil (the degree to which the soil becomes water-saturated during the year) can be judged by the presence and location of gley in the soil profile

Indicate whether the statement is true or false


TRUE

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¿Cuál es el factor de seguridad para un cable resistente a la rotación?

a. 2.5
b. 3
c. 3.5
d. 5

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A certain band-limited periodic current has only three frequencies in its Fourier series representation: dc, 50 Hz, and 100 Hz. The current may be represented as i(t) = 4 + 6 sin 100 ? t + 8 cos 100 ? t - 3 sin 200 ? t - 4 cos 200 ? t A

(a) Express i(t) in amplitude-phase form. (b) If i(t) flows through a 2-? resistor, how many watts of average power will be dissipated?

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Which of the following is a good application for an infrared wireless system?

A. stream movies from a server B. wireless outdoor speakers C. whole house wireless network D. data transfer between laptop and camera

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Designers should carry a notebook at all times.

Answer the following statement true (T) or false (F)

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