The central processing unit of a programmable logic controller is sensitive to what two things?
What will be an ideal response?
The central processing unit of a programmable logic controller is sensitive to voltage spikes and electrical noise.
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The main overcurrent protective device that feeds a marina must have ground-fault protection of no more than _____.
a. 10mA b. 30mA c. 50mA d. 100mA
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What is the purpose of radiator air vents at terminals on one-pipe systems?
What will be an ideal response?
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What are conductors?
What will be an ideal response?
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What gel-like substance has the characteristics of both a solid and a liquid?
A. lubrication B. viscosity C. hydrocarbon D. semisolid
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