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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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Flow Measurement

What is a differential pressure flow meter and what are its types?

A differential pressure flow meter is the most common type of flow meter that...
Flow Measurement

What is a positive displacement flow meter and what are its types?

The positive displacement meters measure the flow rate by separating the stream into segments...
Flow Measurement

What is a propeller flow meter and where is it used?

The propeller flow meters are widely used for irrigation water measurement, these flow meters...
Flow Measurement

What is a paddlewheel flow meter?

This type of flow meter would use a simple paddle wheel design to do...
Pressure Measurement

What is a diaphragm pressure gauge?

A diaphragm is a material that would be elastic and if we apply pressure...
Pressure Measurement

What is a piezo-meter and what are its types?

The piezometer can be used to measure the pressure of the static fluid, this...
Pressure Measurement

What is a barometer and what is it used for?

Table of ContentsWhat are the types of barometer and how does it work?Mercury barometerAneroid...
Vibration Measurement

What is an accelerometer and what are its types

Table of ContentsWhat is an accelerometer and Why do we need Accelerometers?What is the...
Pressure Measurement

What is a piezoelectric sensor?

A piezoelectric sensor can be used to measure the displacement, pressure, temperature, force, and...
Interview Questions

70+ Industrial automation interview questions (2025)

1.What are the major functions of a supervisory control system? A. There are three...
Displacement Measurement

What is triangulation and explain triangulation sensor?

Triangulation is a method that is used to determine the distance by using angles...
Displacement Measurement

What is a magnetostrictive displacement sensor? What are the uses of a magnetostrictive material?

Magnetostriction is the process in which a ferromagnetic material can change its size or...
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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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