Electrical-Critical Viva Question and Answer-2018!!Mechanical!Electrical!Engineering

This video is helpful for mechanical student who are want to gather knowledge about electric al engineering.
This video contain the following topics:
Question Number 1:  Define the following: Average demand, Maximum demand, Demand factor, Load factor?
Question Number 2: Explain the terms real power, apparent power and reactive power for ac circuits and also the units used?
Question Number 3: Explain different types of D.C motors? Give their applications?
Question Number 4: Why back emf used for a dc motor? Highlight its significance?
Question Number 5: What is slip in an induction motor?
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