Butterfly Valves – Concentric, Double-offset, and Triple-offset
The butterfly valve is a quarter-turn valve that can be used as an on-off valve or throttling valve. There are two types of butterfly valve, a concentric and an eccentric…
PLC Programming Example using Limit Switch
Develop PLC Programming Example using Limit Switch according to the logic given below, The system is started by an operator each shift, and the item to be sorted are then…
What are the Thermocouple Applications?
Thermocouples are the most widely used devices for temperature measurement. Study the most popular thermowell applications in industries. Thermocouple Typical Applications R-type and B-type thermocouples are suitable in an oxidising…
PLC Programming Examples on Industrial Automation
Develop PLC Programming Examples on Industrial Automation according to the logic given below, PLC Programming Examples Program Description: Rung 0000: Start/Emergency Stop PB latched with memory B3:0/0. Rung 0001: B3:0/0…
Gas Turbine Interview Questions and Answers
Study the top 100 Gas Turbine Interview Questions and Answers useful to review the basics and prepare for common technical questions on Gas Turbine. Gas Turbine Questions What is Gas…
Difference between Transparent Level Gauge and Reflex Level Gauge
The reflex level gauge uses a prismatic groove as a device to reflect the light if there is a liquid-filled in the chamber. While the transparent level gauge is just…
Components of RTD
Resistance Temperature Detector (RTD) is a temperature sensor which measures temperature using the principle that the resistance of a metal changes with temperature. In practice, an electrical current is transmitted…
How-to do Control Valve Calibration?
Control Valves are meant to control the process parameters namely Pressure, Flow, Level and Temperature. Control Valve is the final control element in any closed-loop control. Based on their application…
Motor ON OFF Logic in PLC
Develop ladder logic program for Motor ON OFF according to the logic given below, The start button is pressed to start the conveyor motorCases move past the proximity switch and…
What is Photoionization Detector (PID)?
The Photoionization Detector (PID) applies ultraviolet light to the detectable gas to ionize it. This causes an ion current to be generated. The sensor measures this current to determine the…
