The second most frequently used PLC programming language for process and motion control is ________
A) Sequential Function Chart (SFC) B) Function Block Diagram (FBD)
C) Structured Text D) Ladder Logic (LD)
B
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When a single water service (main) is used to serve both the fire protection system and the domestic system, which of the following is necessary?
A) A larger meter to measure the fire flow. B) A special bypass meter to allow the larger flow. C) Neither — a single main is not allowed to serve both usages.
The International Building Code is generally updated every ______.
A) 2 years. B) 3 years. C) 4 years. D) 5 years. E) 10 years.
Allelopathic chemicals, once added to soil, usually make the affected soil unsuitable for any plant life for periods of years
Indicate whether the statement is true or false
An iron-core inductor has the following characteristic:
a. Determine the energy, co-energy, and incremental inductance for ? = 1 V-s.
b. Given that the coil resistance is 1 ? and that i (t) = 0.625 + 0.01 sin 400t A
determine the voltage across the terminals on the inductor.