1):- What Is 3-phase ? Different Between single phase and 3 phase supply ? 2):- What is SCR,Resistor,capicator and inductor ? relation between them ? 3):- Different types of Transmission lines ? 4):- What is frequency ? Why 50Hz frequency in india ? 5):- What is your major project explaining in detail ? 6):- What is your minor project explaining in detail ? 7):- What is drive ? components in drive ? 8):- What is the MCB , MPCB , Fuse and like these protective devices in electrical? 9):- And some basics questions about your branch in engineering.