Which of the following is true of drain wires in fire alarm and instrumentation cable?
a. They should be twisted.
b. They should be No. 24 AWG or smaller.
c. Only one end is typically grounded.
d. They should be taped back on both ends.
c. Only one end is typically grounded.
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_____ perennials are plants with stems that die to the ground after the growing season has ended
A) Herbivores B) Herbaceous C) Conifers D) Deciduous
The sum of two numbers is 8 and the sum of the squares of the numbers is 40. What are the numbers?
Fill in the blank(s) with the appropriate word(s).
Determine the Fourier transforms of these functions:
(a) f(t) = 8/t² (b) g(t) = 4/(4 + t²)
Replacing the inductor in a series resonant band-pass filter with one having a lower Q value causes the bandwidth to ________
A) increase B) remain the same C) decrease D) be more selective