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Ashlin

post-graduate in Electronics & communication.
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Instrumentation Questions

Test Your Knowledge: Instrument Logic Diagram Quiz Based on Real DCS to MCC Logic Diagram

This advanced quiz is for professionals and students who want to learn how to read Instrument Logic Diagrams (ILDs) in process control systems. The questions test your ability to understand interlocks, permissives, start/stop logic, flip-flop latching, timer delays, and field feedback integration by using...
Control System

How to Read a DCS Cascade Control Loop Diagram: A Complete Guide with Example

Table of ContentsWhat is a Loop Diagram?What is Cascade Control?Purpose of a DCS Cascade Loop DiagramExample System: Fresh Feed Flow Control to a Process UnitProcess Description: Control Strategy and SequenceDetailed Breakdown of Each Component in the DiagramUnderstanding Signal Flow and Terminal PointsImportance of the...
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Instrumentation

What is a resistive transducer and what are its types?

What is a transducer? A transducer is a device that would receive energy from one...
Temperature Measurement

What is a thermistor?

Table of ContentsWhat are the advantages of thermistors over other temperature sensors?How thermistors are...
P&ID

What is a process flow diagram?

Table of ContentsWhat are the details that we can see in a process flow...
Field Instrumentation

What is a blowout preventer?

Table of ContentsWhat is a blowout in an oil well?How to install a BOP?How...
Field Instrumentation

What is the need for line blinding in a pipeline?

What is line blinding? The valve blinding is done to stop a process flow or...
How to

How to do the control valve inspection?

A valve is a component that can be seen in a fluid flow system...
How to

How to do the control valve maintenance?

There are many types of control valves and these valves are used for many...
How to

How to do the control valve testing and what are the types of control valve testing?

The control valve is a device that is created or designed specifically to direct,...
Electrical

What is a partial discharge?

Partial discharge is an electrical discharge and it is a localized electrical discharge that...
How to

What is insulation testing and why it should be done?

What is insulation-resistance? The insulation resistance can be described as the resistance offered by the...
PLC

PLC TIMERS & COUNTERS

Why timers and counters are used in PLC? A PLC is a specialized computer that...
PLC

What is a programmable automation controller?

The programmable automation controller can be described as an improved version of PLC a...
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Instrumentation Questions

Test Your Knowledge: Instrument Logic Diagram Quiz Based on Real DCS to MCC Logic Diagram

This advanced quiz is for professionals and students who want to learn how to...
Control System

How to Read a DCS Cascade Control Loop Diagram: A Complete Guide with Example

Table of ContentsWhat is a Loop Diagram?What is Cascade Control?Purpose of a DCS Cascade...
PLC

Step-by-Step PLC Ladder Logic for Automatic Liquid Mixing Process with Interlocks

Table of ContentsWhy Liquid Mixing Needs AutomationProcess OverviewPLC I/O Address AssignmentLadder Logic Design (Step-by-Step...
Calibration

Why Calibrating your Calibrators is Critically Important: Accuracy, Compliance and ISO 17025 and NIST Traceability

Table of ContentsRole of Calibrators in Process IndustryWhy Calibrating Calibrators are Important ?Importance of...

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