Interview questions on Modbus

Below is the list of the most important interview questions on Modbus: 1. What is Modbus and how does it work? Modbus is an application protocol that defines rules for organizing and interpreting data and is essentially a messaging structure that is independent of the underlying physical layer. It is an open-source protocol and is … Read more

Interview questions on PLC (Programmable Logic Controllers)

Here are the most frequently asked Interview questions on PLC. This article aims to cover most of the interview questions on programmable logic controllers so as to prepare you to crack a job interview. List of Interview questions on PLC What is a PLC? PLC stands for ‘Programmable Logic Controller’. It is an industrial computer … Read more

Interview question – Induction Motors

Here are the most frequently asked questions on Induction motors. This article aims to cover most of the interview questions on induction motors so as to prepare you to crack a job interview. Interview questions on induction motors What is an induction motor? An induction motor is an electric machine that converts electrical energy into … Read more

Interview Question – Variable frequency drives

Here are the most frequently asked interview questions on Variable frequency drives (VFD/VSD). This article aims to cover most of the interview questions on induction motors so as to prepare you to crack a job interview. Interview questions on variable frequency drives What is a VFD? Variable frequency drives/ variable speed drives/ VFD/ VSD are … Read more

Transformer – FAQ | Interview Questions -Part 3

What is the purpose of transformer oil? Transformer oil functions as a coolant as well as insulating material. It also enables transformer protection during internal faults. It is chemically stable and has high thermal conductivity and dielectric strength. On the event of faults it decays rapidly and forms gases which operate Buchholz relay. What are … Read more

Transformer FAQ | Interview Questions -Part -2

How does a transformer work? A transformer is an electric machine that converts AC voltage from one level to another level with minimum power loss. It is based on the principle of electromagnetic induction. A typical power transformer consists of two sets of coils – Primary coil and secondary coil. The rate of voltage transformation … Read more

Transformer FAQ and Transformer Interview Questions

Here are the most frequently asked transformer interview questions and their answers What is a transformer? By definition, a transformer is a static electrical device that transforms electric energy from one level to another level. Normally transformers are used to step up or step down voltage and current levels, impendence matching and providing electrical isolation … Read more