Orifice Plate Flow Meters – 20 Most Common Interview Questions with Answers
Orifice Plate Flow Meters – 20 Common Interview Questions Orifice Plate Flow Meters 20 Most Common Interview Questions & Answers 1. What is the basic working principle of an orifice plate flow meter? An orifice plate flow meter operates on Bernoulli’s principle. It consists of a thin plate with a precisely machined hole (orifice) inserted […]
Ultrasonic Flow Meter – 20 Most Common Interview Questions with Answers
What is an ultrasonic flow meter?An ultrasonic flow meter measures the flow rate of a fluid using ultrasound waves. It calculates the flow based on the time difference or frequency shift of the ultrasonic signal. What are the two main types of ultrasonic flow meters? Transit Time (Time-of-Flight) Doppler Type Explain the working principle of […]
Vortex Flow Meter – 20 Most Common Interview Questions with Answers
1. What is a vortex flow meter? A vortex flow meter measures the flow rate by detecting the vortices shed from a bluff body placed in the flow stream. It uses the Von Kármán effect. 2. What is the principle behind vortex flow meters? Vortex flow meters operate on the Von Kármán Vortex Street principle. […]
Coriolis mass flow meter 20 Most Common Interview Questions with Answers
1. What is the working principle of a Coriolis mass flow meter? Answer:It works on the Coriolis Effect, where a vibrating tube carrying fluid experiences a phase shift or twist proportional to the mass flow rate. The fluid’s inertia causes this deflection. 2. What type of flow does a Coriolis meter measure directly? Answer:It measures […]
Turbine flow meter – 20 Most Common Interview Questions with Answers
✅ Basic Conceptual Questions What is a turbine flow meter and how does it work?A turbine flow meter measures volumetric flow rate using the mechanical motion of a rotor placed in the flow stream. The fluid flow turns the rotor; the rotational speed is proportional to flow rate. What is the principle behind turbine flow […]
Temperature Instruments -20 Most Common Interview Questions with Answers
🔥 Basic & Conceptual Questions (1–15) What is temperature and how is it measured in process industries?➤ Temperature is the measure of thermal energy. It is measured using devices like thermocouples, RTDs, thermistors, infrared sensors, etc. Differentiate between temperature and heat.➤ Temperature is a measure of average kinetic energy of molecules, while heat is the […]
Radar level transmitter – 20 Most Common Interview Questions with Answers
🔹 1. What is a radar level transmitter? Answer:A radar level transmitter is a non-contact type level measurement device that uses microwave radar signals to measure the level of liquids or solids in a vessel based on the time-of-flight principle. 🔹 2. What is the working principle of a radar level transmitter? Answer:It operates on […]
Understanding Control Valve Cavitation, Flashing, and Choked Flow
Control Valve Phenomena Explained An interactive guide to Cavitation, Flashing, and Choked Flow in the Oil & Gas and Process Industries. 1. Introduction to Control Valves Control valves are critical components for regulating fluid flow in industries like oil & gas, chemical processing, and power generation. They act like adjustable gates, precisely controlling the […]
DP Flow Transmitters and Orifice Plates – 30 top Multiple Choice Questions
What does a DP flow transmitter measure? a) Temperature difference b) Pressure difference c) Flow velocity d) Mass flow rate Which of the following is commonly used for flow measurement in a DP flow transmitter system? a) Orifice plate b) Venturi tube c) Pitot tube d) All of the above What is the main purpose […]
ESD On-Off Valves : Top 50 Interview Question and Answers
ESD On-Off Valves: Top 50 Interview Questions and Answers ESD On-Off Valves: Top 50 Interview Questions A comprehensive guide for instrumentation and control engineers. 1. What is an ESD valve, and what is its primary purpose in a process plant? An Emergency Shutdown (ESD) valve, also known as a shutdown valve (SDV) or emergency isolation […]