Which of the Following Is True of DCEN

question 24

Multiple Choice

Which of the following is true of DCEN?

• A) With DCEN, arc starting with a high-voltage electrical discharge is more difficult.
• B) With DCEN, the electrode becomes damaged in a short period of time.
• C) With DCEN, a pointed tip concentrates the arc.
• D) DCEN concentrates the heat in the tip of the electrode.

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Definitions:

Input Scan

One of three parts of the PLC scan. During the input scan, input terminals are read and the input table is updated accordingly.

Stop Button

A control mechanism used to immediately halt operations or processes in a system or machinery.

PLC System

A system used in industrial automation to control machinery and processes, consisting of programmable logic controllers.

MCR Instruction

Stands for "Master Control Reset", an instruction in PLC programming used to turn off a defined range of outputs when certain conditions are met.