Why Your CGPA is low (7.03)?

which subjects do you like?

they replied that they already ask these subjects from previous students.what are the subjects you have in this semester(7)?

Then they ask me questions from electric drive. What is electric drive? How you control the speed of a motor? give an example where you are supposed to control the speed of a motor. They ask me question on transformer? what is tap changer? types of tap changer. What is OLTC? What is vector group? Types of transformer on the basis of cooling? Then they ask me to draw SLD of the power plant where I did my training.How the transformer is connected with generator?. What is LA? what is %impedance. difference between power and distribution transformer and Their efficiencies? What is C.T. and its uses? Circuit diagram of tubelight and ceiling fan.What is circuit breaker, types of CB.