The time required for the PLC to complete one scan (read inputs, solve logic, and update outputs) is called the scan time. A typical value for scan time is in the order of ____.
a. 20 msec
b. 20 ns
d. 20 seconds
a. 20 msec
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The permit/license obtained to build a kennel/cattery commonly indicates the number of animals that may be kept at any given time and must be displayed prominently
A. True B. False
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Calculate the Fourier series for f(t) = e^t, –? < t < ?, with f(t+2?n) = f(t) for all integer values of n.
What will be an ideal response?
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The four types of cooling mechanisms are:
A) Absorption, adaptive compression, conductive, resistive. B) Evaporative, thermoelectric, absorption, mechanical compression. C) Evaporative, conductive, resistive, mechanical. D) Mechanical compression, electrical compression, adaptive expansion, thermoelectric.
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Which popular compression bushing has no flange?
What will be an ideal response?
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