Advanced Concepts 22 min read
FUNDAMENTALS OF COMMUNICATION ENGINEERING
Networks: Symmetrical and asymmetrical networks. characteristic impedance and propagation constant Derivation of characteristic impedance for T and Pi networks using…
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Advanced Concepts 3 min read
What are the tasks of a welding Inspector?
Welding inspector are personals who verify the work produced by welders meets specification and guidelines. Welding inspectors perform visual inspections…
Advanced Concepts 2 min read
Welding Quality control check
The Quality Assurance Plan should include a list of all required welding inspections and identify the responsible party for each…
Advanced Concepts 2 min read
4-20mA Analog Inputs from Transmitters measuring
A DCS, PLC, single-loop controller or other device analog input accepts an electronic signal, such as 4 to 20 mA or 1…
Advanced Concepts 1 min read
How a Valve is controlled using a 4-20mA loop
Valve positioners are used to control the valve actuator position of the control valve. The positioner receives the signal from the controller and…
Advanced Concepts 3 min read
Basic Pre-Commissioning Inspection
General Procedure: Before starting the plant operation, the plant should be commissioned. Before beginning a fresh installation, the finished device…
Advanced Concepts 2 min read
Displacer level switches working, Displacer V/S Float
Displacer controls provide float-operated control with additional characteristics. The detector is a spring-suspended weight (the displacer), stronger than the fluid. A…
Advanced Concepts 2 min read
Cable screen, Grounding cable screen
What is cable screen? A protected cable or screened cable is an electrical cable connected by a prevalent conductive layer of one…
Advanced Concepts 3 min read
What is contactor?
The contactor is an electrical component that serves to connect or disconnect AC power. Contactor or often also called the relay contactor…
Advanced Concepts 2 min read
Solenoid Valve Functional Testing
Here we look at, how functional test is done for solenoid valve using instrument air. Solenoid Valve Testing: · Air supply…
Advanced Concepts 2 min read
What is superheater?
The superheater is one component in the boiler that serves to further heat the steam to produce steam that meets…
Advanced Concepts 3 min read
What are the functions of HART communicator? How to use it for Zero trim & D/A trim?
Functions of HART communicator: · The main function of the HART 375 Communicator is to communicate with an instrument based on…