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Automation

What are Parallel plate interceptor (PPI) and Corrugated Plate Interceptor (CPI)?

Parallel plate interceptor (PPI), Corrugated plate interceptors (CPI) are Plate coalescers. Plate coalescers are skim...
Electrical

Gas turbine components and working

A Gas turbine is also called a combustion turbine is a type of continuous...
Electrical

Low resistance measurement technique

The methods used for measurement of medium resistances are not suitable for measurement of...
Automation

Classification of measuring instruments

The instruments used to measure the physical and electrical quantities are known as measuring...
Automation

Sensors in process industry

Why sensors are used in process industry? Automation devices used for the realization of control techniques...
Automation

Open loop and Closed loop control system

Open loop control system: the process in the system where one or several input variables...
Interview Questions

Field instrumentation interview Questions and answer

What are the different process variables? Flow. Pressure. Temperature. Level. Quality i.e. % O2,...
How to

Loop checking & Procedure

Table of ContentsWhat is Loop checking:Loop testing procedure:Earthing and Continuity test:Insulation resistance test:Polarity test:Fault...
Electrical

Current measurement used for control panel

Current measurement is needed for devices such as the thermocouple-gauge pressure sensor and the...
Electrical

Stepper motor drive

A stepper motor is a small powered motor designed for tracking and positioning. The...
Instrumentation

What is a Measurement system in a process? and its components

The purpose of the measurement system is to present the observer with a numerical...
Control System

Hydraulic System Basics

What is a Hydraulic system basically? The basic principle of a hydraulic system is derived...
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