Reasonable use of water:
a. Is difficult to define.
b. If required would affect water rights.
c. Is likely to happen to happen nationally.
d. a and b above
e. All of the above.
d
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A commonly used floor system in poured-in-place concrete, the ____ has beams running in two directions and is reinforced in two directions.
A. joist slab system B. waffle-slab system C. two-way solid slab-and-beam floor system D. two-way flat-plate floor system
The purpose of a roof vent is to _____
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In this problem, we study a T1 carrier system used in digital telephony. Voice signals are usually filtered using a low-pass filter of cut-off frequency 3.4 kHz and then sampled at 8 kHz. This system multiplexes samples from 24 voice signals in a single sampling period. Voice signals are coded with 8-bit PCM, and each frame (one sampling period) consists of 24 samples plus a single bit added for synchronization.
a. Calculate the duration of each bit. Note that this system multiplexes 24 samples each with 8 bits plus a single bit onto the time duration between two consecutive samples Ts = 1/ fs . b. Calculate the resulting transmission rate. Known quantities: Voice signals have bandwidth of 3.4 kHz and sampled at 8 kHz with an 8-bit quantizer. Each frame of the T-1 line consists of 24 voice channel samples plus a single bit for synchronization. Find: a) Duration of each bit. b) Transmission rate.