An approach for avoiding the corrosion of steel columns in the drilling platform for the offshore oil ring should be explained. Concept introduction: Corrosion resistance is the ability of a material to withstand damages due to the oxidation or chemical reaction. Corrosion is a chemical reaction occurring due to the reaction with atmospheric moisture and oxygen resulting in the formation of oxides. Alclad is a composite made of two sheets of aluminum of alloy 1100 and these sheets are sandwiched around 2024 aluminum alloy core. Electroplating is a process of generating an electric current for the purpose of applying a protective or decorative coating on metals During electroplating, the flow of electrons and ions through a separate path between the two metals produces a current in the metal.

Question

In a railway system with a power source of 600 VDC, I need to achieve a load output of 120 VDC for railway lights. I found a DC-DC converter capable of stepping down 600 VDC to 125 VDC. To obtain 120 VDC from this converter, we can use a voltage divider with the following equation: [R2/(R2+R1)]=120/125=0.96=0.96However, using resistors to achieve the desired output voltage raises some concerns. Is it advisable to use railway-grade resistors for this application? I found some resistors in the range of 1-10k ohms, but I am unsure how they should be connected in the circuit with the lights (the load to be used). I would greatly appreciate any suggestions or schematic diagrams to clarify the best approach for connecting the resistors in this setup.

Answer 1

Question

Chapter 18, Problem 18.43DP

Interpretation Introduction

Interpretation:

An approach for avoiding the corrosion of steel columns in the drilling platform for the offshore oil ring should be explained.

Concept introduction:

Corrosion resistance is the ability of a material to withstand damages due to the oxidation or chemical reaction.

Corrosion is a chemical reaction occurring due to the reaction with atmospheric moisture and oxygen resulting in the formation of oxides.

Alclad is a composite made of two sheets of aluminum of alloy 1100 and these sheets are sandwiched around 2024 aluminum alloy core.

Electroplating is a process of generating an electric current for the purpose of applying a protective or decorative coating on metals

During electroplating, the flow of electrons and ions through a separate path between the two metals produces a current in the metal.

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