Consider an Electrochemical Cell Constructed from the Following Half Cells

question 132

Multiple Choice

Consider an electrochemical cell constructed from the following half cells, linked by a KCl salt bridge.
- a Fe electrode in 1.0 M FeCl₂ solution
- a Ni electrode in 1.0 M Ni(NO₃) ₂ solution
When the cell is running spontaneously, which choice includes only true statements and no false ones

• A) The nickel electrode loses mass and the nickel electrode is the cathode.
• B) The nickel electrode gains mass and the nickel electrode is the cathode.
• C) The iron electrode gains mass and the iron electrode is the anode.
• D) The iron electrode loses mass and the iron electrode is the cathode.

Identify input field devices compatible with analog interface input modules.

Calculate the appropriate chassis power supply rating based on the backplane current draw of all modules.

Describe the functions and operations of PLC input and output interface modules.

Understand the compatibility and programming limitations of hand-held programming terminals across different PLC manufacturers.

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