Protection Relays Interview Questions & Answers
Study the electrical engineering technical questions and answers on protection relays to prepare for the job discussions. Protection Relays Interview Questions Where does the Negative phase sequence relay is employed?…
Foundation Fieldbus Interview Questions and Answers
Read the Foundation fieldbus interview questions and answers for your preparation. Foundation Fieldbus Interview Questions and Answers Foundation Fieldbus What is FOUNDATIONâ„¢ fieldbus (FF) technology? The FOUNDATIONâ„¢ fieldbus solution is…
Overview of OPC Communication
OPC Communication Introduction In recent years, the OPC Foundation has defined a number of software interfaces to standardize the information flow from the process level to the management level. The…
Basic Electrical Engineering Questions & Answers
Q: What is vaccum currcuit breaker.define with cause and where be use it Device? A: A breaker is normally used to break a circuit. While breaking the circuit, the contact…
What is OPC ?
OPC : OLE (object linking and embedding) for Process Control OPC  is a software interface standard that allows Windows programs to communicate with industrial hardware devices. OPC is implemented in server/client pairs.…
OPC Solves Automation’s Data Connectivity
Today, automation is used prominently in every major industry. While different industries often use different specialized devices, control systems, and applications, they all share a common, rapidly growing challenge -…
Questions and Answers on Gas
Read the following Questions and Answers on Gas like methane, propane, Carbon Monoxide, Oxides of Nitrogen, Hydrogen, Oxygen, Nitrogen, Diffusion of Gases, Carbon Dioxide, Sulfur Dioxide, Hydrogen Sulfide etc. Questions and Answers on Gas Methane…
Dissolved Oxygen Analyzer Working Principle
What is dissolved oxygen ? Dissolved oxygen refers to oxygen dissolved in water. Its concentration is expressed as the amount of oxygen per unit volume and the unit is mg/L. Biologically,…
Oxygen Analyzer Working Principle
The measurement methods of the oxygen analyzers currently available in the industry can be classified into the following categories. Zirconia type measurement system Paramagnetic type Optical type Electrochemical type Since each…
Calibration of Gas Detectors
A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used to detect…
