For the following questions answer them individually
The voltage stress will be maximum in an underground cable at
The dielectric strength of air at a barometric pressure of 76cm and 25 degree centigrade is
The positive sequence current of a transmission line is
For the fault at the terminals of a synchronous generator, the fault current is maximum for a
The earth transformer is used to
For differential protection of power transformer (delta-delta) the current transformers will have
For the protection of a very long extra high voltage line, the protective relay used is
Resistance switching is normally employed in
Symmetrical breaking capacity of ACB is
By which material the fuse element is generally made