Communication Engineering Interview Questions and Answers: 1. Define Phase Modulation. Ans. In phase modulation, the phase of the carrier varies according to amplitude variations of the modulating signal, The PM…
Engineering Physics Interview Questions and Answers: 1. Define stress on a body. Ans. The internal force developed per unit area in the body during the application of external force or…
Series Capacitor - Working Principle, Phasor diaagram, Application: In EHV and UHV transmission lines, series capacitor are connected in series with the line to reduce the effect of inductive reactance…
Mho Type Distance Relay - Working and Characteristics: Mho relay is a high speed relay and is also known as admittance relay. It is also sometimes called an angle impedance…
Overlapping Zones of Protection: Overlapping Zones of Protection - In order to provide selectivity to the system it is usual practice to divide the entire system into several protection zones.…
Basic Requirements of Protection System: Protection system is an extremely important part of the power system as it is provided to operate under abnormal conditions to prevent failure or isolate…
General Characteristics of Electrical Equipment: All electrical machines, apparatus and other forms of characteristics of electrical equipment must satisfy two main requirements—they must be able to operate continuously under normal service…
Types of Electric Drives: The various types of electric drives used in industry may be divided into three types, namely Group Drive, Individual Drive and Multi-motor drives. 1. Group Drive:…