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Sivaranjith

Instrumentation Engineer
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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Control System

What is mimic panel?

Table of ContentsHow to study a mimic panel? Types of mimic panelsComponents of Mimic...
Electrical

What is Breaker failure protection? How Breaker failure protection works?

What is Breaker Failure Protection? The breaker failure protection system is backup system. Specifically, this...
Instrumentation

How does the Turbine work?

What is turbine? A turbine is a mechanical rotating tool that uses and transforms energy...
Electrical

What are Motor Control Centers (MCC)? Types of MCCs

What is Motor Control Center(MCC)? Motor control centre (MCC) is the centre of controlling the...
Control Valve

What are the uses of Valve manifolds?

A valve manifold is a standard accessory for pressure transmitters and differential pressure transmitters....
Level Measurement

What is Zero suppression & Zero Elevation?

Zero suppression & Zero elevation are values that correspond to the 4-20mA transmitter range...
Humidity measurement

Humidity measurement using the piezoelectric sensor

Principle of measuring humidity: The oscillation frequency of a quartz crystal coated with hygroscopic material...
Process Control

What is Protective system Override ? & What is Protective Override switch (POS)?

What is Protective system Override? If two or more circumstances are met at...
Communication

What is the purpose of Gateway, Bridges & Routers in networks?

Gateways, Bridges & Routers are the interconnecting devices in a network topology. The internetworking...
PLC

What is Latch? How does a Latching work in PLC program?

The latch is to hold an output energised, even when the input stopped. There...
PLC

Difference between PLC & PC

This is a basic question fresh automation personnel, who first introduced to PLC may...
Control Valve

Basics of Electro-hydraulic actuator

Electro-hydrostatic actuator (EHA) replace hydraulic systems with electrical power-only self-contained actuators. EHAs eliminates the...
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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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