Absolute, Gauge, Atmospheric, and Vacuum Pressures
Vortex Flow Meter: Working principle
Coriolis Flow Meter: Working principle
Magnetic Flow Meter – Working principle, Advantages, and Limitations.
Types of Thermocouple junctions
2,3,4 Wire Resistance Temperature Detectors
Bently Nevada Vibration System
Static and Dynamic Characteristics of Instruments
Closed-loop control – Feedback, Feedforward, Cascade, Split Range, and Ratio control
Flashing and Cavitation in control valve
Open-loop and closed-loop control systems
Control Valve Flow Characteristics
Leakage Classification of Control Valves
Cv and Kv relationship
Use of a positioner in control valve
Control Valve Positioners, and its types
Instrumentation Interview question 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.
Twisted pair cable
What is Keyphasor and how does it work?
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: Working Principle
September 21, 2020
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