1) Specify the several gases which are used as the insulating medium?
2) Describe the spark breakdown and ionization.
3) Provide several properties of the liquid dielectrics.
4) describe the properties of the good solid dielectric?
5) Specify the elements of the multistage impulse generator?
6) describe the standard switching impulse voltage.
7) Provide the factors which affect the spark over voltage of sphere gap.
8) describe the benefits of the generating voltmeter?
9) Specify the various tests to be conducted on the circuit breaker and the isolator?
10) Specify the requirement of the high voltage testing.