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Temperature Instruments An Interactive Guide to Instrumentation & Control : Back to Basics

Interactive Guide to Temperature Instruments TempSense Guide Introduction Instrument Explorer Comparison Hub Application Guide IntroductionInstrument ExplorerComparison HubApplication Guide...

Ultrasonic vs Thermal mass flowmeter : Flare flow measurement comparison

Flare Gas Flow Metering: Ultrasonic vs. Thermal Mass Flare Gas Flow Metering Systems A Comprehensive Analysis of Ultrasonic vs. Thermal Mass Technologies 1. The Challenge of Flare Gas Measurement...

Thermal Mass flowmeter : Back Basics Series

Thermal Mass Flowmeter Principle for Flare Gas Comprehensive Guide: Thermal Mass Flowmeters (TMFM) Life-Cycle Principle, Design, Selection, and Field Management for Critical Applications like Flare...

Common Mistakes Engineers Make During Job Applications

Common Mistakes Engineers Make During Job Applications — How to Avoid Them Career Playbook for Engineers Common Mistakes Engineers Make During Job Applications — And Exactly How to Fix Them From...

Try our new FREE Engineering TOOLS

Material Take Off Generator (MTO)

Instrument Hook-up MTO Generator Instrument MTO Generator Generate a Consolidated Material Take Off 1. Select Instruments & Quantities Add New Type Select All Deselect All Reset Generate...

Instrument Datasheet – Comprehensive I&C Engineering Checklists for EPC Projects

Universal Instrument Datasheet — Final Self-Verification Checklist Universal Instrument Datasheet — Final Self-Verification Checklist Applies to pressure/temperature/flow/level transmitters; control...

Generate I&C Deliverables Need for Conceptual, FEED, and Detailed Design.

I&C Project Deliverables Generator (Single-File) I&C Project Deliverables Generator Layout preserved. DCS IO: FEED → “Preliminary IO Schedule — DCS”; no DCS preliminary IO in Conceptual. 1)...

SIL Determination TOOL Using Risk Matrix – IEC 61511

Interactive SIL Determination Application SIL Determination Hub Home Framework Calculator Lifecycle HomeFrameworkCalculatorLifecycle Understanding Functional Safety This application translates the...

Flow meter selection Chart

Infographic: How to Choose the Right Flow Meter The Engineer’s Guide to Flow Measurement Choosing the right flow meter is critical for efficiency, safety, and profitability. This guide...

Accuracy Calcualtor

Transmitter Accuracy Checker (SI · O&G) Transmitter Accuracy Checker SI units · Oil & Gas · IEC/ISA lens · Accuracy threshold is derived from the selected model. 1) Select Instrument &...

IEC 61508 SIL Risk Graph Tool (C/F/P/W, Low-Demand)

SIL Risk Graph Calculator · IEC 61508 (C/F/P/W) SIL Risk Graph Calculator IEC 61508 C/F/P/W method. Choose levels and click Calculate to get the resulting SIL. (Orientation aid only; validate per your...

PFDavg calculations for your Safety Instrumented Functions (SIF)

SIF PFDavg Calculator (1oo1, 1oo2, 2oo2, 2oo3) SIF PFDavg Calculator MVP Project Name SIF Tag Number Preparer Date λd Units FIT (failures / 109 hours)1/hr Changing this converts λd numbers in-place...

SIL Determination using Layer of Protection Analysis (LOPA)

Interactive LOPA & SIL Determination Tool Interactive LOPA & SIL Determination Tool Section 1: Foundational Concepts of LOPA 1.1 The Philosophy of Defense-in-Depth The core principle...

Personal Growth

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Top 30 MCQs for Distributed Control System (DCS)

Distributed Control System (DCS) Quiz Test Your Knowledge 1. What is the primary advantage of a Distributed Control System (DCS) over a centralized control system? a) Lower initial cost b) Simplified...

Top 30 MCQs PID Control and Tuning Quiz

PID Control and Tuning Quiz (Full Page) Answer all the questions below and click “Submit” at the end to see your results. Submit Quiz...

Top 50 MCQs :Top 50 Control Valve Fundamentals Quiz

Control Valve Fundamentals Quiz Top 50 Control Valve Fundamentals Quiz Submit Quiz Quiz Results...

Top 50 MCQs : On-Off Valve Actuated Fundamentals Quiz

On-Off Valve Actuated Fundamentals Quiz On-Off Valve Actuated Fundamentals Quiz Test your knowledge with 50 multiple-choice questions for instrumentation professionals. Select the best answer for each...

Top 50 MCQs : Instrument Impulse Lines

Instrumentation Quiz | Impulse Lines, Flow, Level, Pressure Instrumentation Multiple Choice Quiz Test your knowledge on Impulse Line Hook-ups, Flow, Level, Pressure, and DP Measurement. Submit Quiz...

Top 50 MCQs : Flow Measurement Multiple Choice Quiz

Flow Measurement Quiz Flow Measurement Multiple Choice Quiz Select the best answer for each question and click “Submit Quiz” at the bottom to see your score. Submit Quiz Quiz Results...

Top 50 MCQs : Temperature Instrumentation Quiz

Temperature Instrumentation Quiz Temperature Instrumentation Quiz Submit Quiz Quiz Results...

Top 50 Multiple-Choice Questions on Level Measurement Techniques

Level Measurement Techniques Quiz Level Measurement Techniques Quiz Test your knowledge with these 50 multiple-choice questions. Select the best answer for each question and submit at the end to see...

A Comprehensive 50-Question Quiz on Pressure Measurement

A Comprehensive 50-Question Quiz on Pressure Measurement Pressure Measurement Quiz Pressure Measurement Quiz Test your knowledge of Gauges, Transmitters & Standards. Choose the best answer for...

Control Valves

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Cyber Security

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Functional Safety

Top 50 MCQs IEC 61508 Safety Integrity Levels (SIL) Quiz

IEC 61508 Safety Integrity Levels (SIL) – MCQ Quiz Test your knowledge of the fundamental concepts of IEC 61508 and Safety Integrity Levels. 1. What is the primary objective of the IEC 61508...

Top 50 MCQ IEC 61511 Functional Safety – Advanced MCQs

IEC 61511 Functional Safety – Advanced MCQs IEC 61511 Functional Safety – Advanced MCQs Previous Next Finish Your Final Score Restart Quiz...

Functional Safety – IEC 61508 & IEC 61511 Advanced Level – 50 MCQs

Functional Safety Quiz – IEC 61508 & IEC 61511 Functional Safety Quiz An advanced-level quiz on IEC 61508 & IEC 61511. Answer all 50 questions and submit at the bottom. Quiz Completed!...

Functional Safety Explained: Key Concepts, Standards, and Applications in Industry

Introduction to Functional Safety What is Functional Safety? Functional safety refers to the part of the overall safety system that ensures the correct functioning of safety-related systems and...

Top 30 Bow Tie Analysis Interview Questions and Answers

Top 50 Bow Tie Analysis Interview Questions and Answers Top 50 Bow Tie Analysis Interview Questions and Answers I. Fundamental Concepts 1. What is a Bow Tie analysis? A Bow Tie analysis is a **visual...

Top 30 HAZOP (Hazard and Operability Study) interview questions and answers

Top 50 HAZOP Interview Questions and Answers Top 50 HAZOP Interview Questions and Answers I. Fundamental Concepts 1. What is a HAZOP study? A HAZOP (Hazard and Operability Study) is a **structured and...

LOPA (Layer of Protection Analysis) : Top 50 Interview Questions and Answers

LOPA (Layer of Protection Analysis) – 50 Common Interview Questions LOPA (Layer of Protection Analysis) Top 50 Interview Questions & Answers © 2025 Instrunexus. All Rights Reserved...

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Pressure

Essential Accessories for Pressure Gauges: A Complete Guide

Pressure gauges are critical components in process instrumentation, providing real-time feedback on...

Selecting the Right Pressure Gauge for Your Application: A Complete Guide

In industrial environments where process control and equipment safety are paramount, pressure gauges...

Pressure Instruments- 20 Most Common Interview Questions with Answers

Pressure Instruments – 20 Common Interview Questions Pressure Instruments 20 Most Common Interview...

How to Prepare Pressure transmitter Data Sheets: Step-by-Step with Field-Wise Explanation

In the world of instrumentation and control, the pressure transmitter plays a critical role in...

Temperature

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Question and Answers

Gauge vs Absolute vs Differential Pressure – Top 20 Interview Q&A

Top 20 Interview Questions on Gauge, Absolute, and Differential Pressure Navigating the nuances of pressure measurement is a fundamental skill in numerous engineering and technical fields. For those...

Pressure Transmitter – Top 25 Commonly asked Interview Questions and Answers

Top 25 Commonly Asked Pressure Transmitter Interview Questions and Answers For anyone preparing for a role in instrumentation and control, a thorough understanding of pressure transmitters is crucial...

Common Failures in Level Instruments – Top 25 Interview Questions Answered

Unveiling the Weak Links: Top 25 Interview Questions on Level Instrument Failures In the intricate world of industrial automation and process control, the reliability of level measurement is...

Maintenance Checklist for Level Instruments – Top 25 commonly asked interview Q&A

Top 25 Maintenance Checklist Q&As for Level Instruments For any technician or engineer working in industrial automation and process control, a strong understanding of level instrument maintenance...

Interface Level in Oil & Water Separator – Top 25 commonly asked interview Q&A

Top 25 Interview Questions on Oil & Water Separator Interface Level The accurate measurement and control of the interface level between oil and water in a separator are critical for efficient and...

Level Transmitter Location & Installation – Commonly asked Top 25 interview Q&A

Mastering the Interview: Top 25 Questions on Level Transmitter Location and Installation For instrumentation and control professionals, a deep understanding of level transmitter technology is...

Overfill Protection Systems – Level commonly asked top 20 interview Q&A

Safeguarding Operations: Top 20 Interview Questions and Answers for Overfill Protection Systems Overfill Protection Systems (OPS) are a critical safety feature in any industry that deals with the...

Wireless Level Monitoring – Top 20 Commonly asked interview Q&A

Ace Your Interview: Top 20 Questions and Answers for Wireless Level Monitoring Professionals The burgeoning field of wireless level monitoring is revolutionizing how industries track and manage liquid...

Level Measurement in Agitators and Mixers – Top 10 Q&A

Mastering the Mix: Top 10 Questions Answered on Level Measurement in Agitators and Mixers Vellore, India – Achieving accurate and reliable level measurement in vessels equipped with agitators and...

Back To Basis

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Tools and Calculators

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Hazard and Risk assessments

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Process Knowledge

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