DP Level transmitter range calculator
Instrunexus | DP Level Transmitter Sizing INSTRUNEXUS DP Level Sizing & Engineering DP Level Transmitter Range Calculator The Fundamental Equation A Differential Pressure (DP) transmitter measures the difference between the High Pressure (HP) side and the Low Pressure (LP) side. ΔP = PHP – PLP 1. Open Tank Application The LP side is vented to […]
Control Valve Sizing and Selection : Top 50 Interview Question and Answers
Control Valve Sizing & Selection Comprehensive Technical Interview Questions & Detailed Answers I. Fundamentals & Flow Sizing (Cv) 1 What is the precise definition of Flow Coefficient (Cv)? The flow coefficient, Cv, is the universal imperial standard used to compare the flow capacity of valves. It was introduced to simplify the complex fluid dynamics […]
Different between Mass and Weight
Mass vs. Weight: A Cosmic Comparison Physics Fundamentals Mass vs. Weight The difference between who you are (matter) and where you are (gravity). The Fundamental Distinction While often used interchangeably in daily conversation, science draws a hard line between these two concepts. Mass (m) 📦 ➤ Definition: The amount of matter in an object. ➤ […]
SIL Rating Calculator based on PFD values as input
SIL Rating Calculator (IEC 61508/61511) SIL Verification Calculator Calculate PFDavg, RRF, and determine Safety Integrity Level based on IEC 61508/61511. 1. SIF Component Inputs (PFD) Sensor Subsystem PFD ($PFD_{S}$) Probability of Failure on Demand for Sensors Logic Solver PFD ($PFD_{LS}$) Probability of Failure on Demand for PLC/Logic Final Element PFD ($PFD_{FE}$) Probability of Failure on […]
Case study for SIL determination and SIL verification
Case Study: Implementation of the Functional Safety Life Cycle in Oil & Gas Project: High-Pressure Separator Gas Blowby Protection (SIF-V101-02) Standard Reference: IEC 61511 Ed. 2 / IEC 61508 Sector: Upstream Oil & Gas / Offshore Processing Subject: From Hazard Identification to Operations (A Cradle-to-Grave Analysis) Executive Summary This report provides an in-depth analysis of […]
Partial Stroke Testing : A complete Analysis of Proof testing coverage.
Partial Stroke Test: Implementation, Compliance, and Reliability Optimization 1. Executive Summary In the high-stakes domain of process safety, the reliability of the final control element—typically an Emergency Shutdown (ESD) valve—stands as the most critical variable in the performance of a Safety Instrumented Function (SIF). Unlike logic solvers and sensors, which benefit from continuous electronic self-diagnostics […]
Analyzer House Design : SCS, HVAC and Gas detectors
Instrunexus – Analyzer House Engineering Interview Q&A Instrunexus Analyzer House Engineering Top 50 Interview Questions & Answers Guide I. Design & Location 1. What are the primary criteria for selecting the location of an Analyzer House? Answer The location selection is critical for safety and operational efficiency. The primary criteria include: Proximity to Sampling Points: […]
Analyzer House Design : House, SCS, HVAC and Gas detectors
Analyzer House Top 50 Quiz Analyzer House Master Quiz Design, SCS, HVAC & Safety Practices Submit & Check Reset Quiz
Thermowell installation in pipe : ASME PT 19.3 TW
Thermowell Installation Best Practice Codes: Ensuring Mechanical Integrity and Measurement Accuracy 1. Foundational Standards and Thermowell Classification Thermowells are indispensable components in industrial process control, serving the dual and often conflicting roles of a process containment boundary and a temperature measurement interface. Due to their installation as cantilever beams directly into flowing fluid streams, they […]
Thermowell Installation Best Practices
Thermowell Installation Best Practices & Codes ThermoSafe Guide Wake Physics Installation Calculator Materials Thermowell Installation Best Practice Codes Explore the engineering principles behind safe temperature measurement. Understand wake frequency, immersion length, and material selection to prevent catastrophic failures. The Physics of Failure: Vortex Shedding The primary failure mode for thermowells is flow-induced vibration. As fluid […]