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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...
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Control Valve

What are the parts of control valves and what are the accessories used in control valves

Why do we need control valves Control valves are used to control the flow...
Interview Questions

72 PLC Interview Questions (2024)

1. What is PLC? Programmable logic controllers, also called programmable controllers or PLCs, are solid-state...
SIS/ESD

What is HIPPS?

HIPPS: HIPPS is part of the Safety Instrumented System (SIS) to avoid overpressure by shutting...
Control Valve

Double-check valve / Shuttle valve

What is double-check valve? Double-check valves are used to direct air flows from either of...
Electrical

what is an electric pump and what are its applications

What is a pump A pump is used to transfer liquid from source to...
Electrical

What is a varistor its types and working

A varistor is a semiconductor device that is used for the clipping ‘noise spikes’...
SIS/ESD

What is ESDV (Emergency shutdown Valve)? How ESD valve works?

What is ESDV (Emergency shutdown Valve)? ESD valves are used to isolate the facilities...
Electrical

What is Circuit breaker? Types of circuit breaker

Introduction to the circuit breaker An electrical power system is very complex, in order to...
Electrical

What is Cable routing?

What is cable routing? Cable routing is a structure used to protect the cable from...
Electrical

What is a surge arrester and how can it eliminate over-voltages

What is a surge arrester A surge arrester is a device which is used to...
Control Valve

What is Snap acting relay?

What is snap acting relay? Snap acting relay senses the supply pressure and changes the...
Control Valve

Solenoid Valve Functional Testing

Here we look at, how functional test is done for solenoid valve using instrument...
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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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