Blog Posts
ARTICLES
- Difference between Absolute, Gauge, Atmospheric, and Vacuum Pressures
- Working Principle of Vortex Flow Meter.
- Working principle of Coriolis Flow Meter, advantages, and limitations.
- Reynolds number:
- Working Principle of Magnetic Flow Meter, advantages, and limitations.
- Difference between 2,3,4 Wire Resistance Temperature Detectors
- Types of junctions in Thermocouple.
- Static and Dynamic Characteristics of Instruments
- What is Flashing, Cavitation in control valve ?
- Open-loop and closed-loop control systems.
- Control Valve Flow Characteristics
- Leakage Classification of Control Valves.
- Valve flow coefficient(Cv), Flow factor(Kv), and their Relationship?.
- When to use a positioner at the control valve?
- Types of Control Valve Positioners.
- Interview preparation questions and answers.
- Why a 4-20 mA signal is used, not 0-20 mA or 0- 30 mA signal in Instrumentation ?
- Fundamentals of loop-powered devices.
- What is a twisted pair cable?
- What is Keyphasor and how does it work?
- What is an Instrument Hookup drawing?
- Performance Characteristics of Measuring Instruments
- Ingress Protection (IP) and it’s NEMA equivalent ratings.
- Hazardous Area Classification:
- 2 Wire Transmitter with external power supply
- Thermowell types and their selection.
- Ultrasonic Flow Meter, and its Working Principle.