1.Why use in ups in software's,reason,and pls explain. 2.what is the isolation transformer and main use it's functioning and partes.

TATA, Wipro,

1.what is bus cuplour and main funtions. 2.what is main function of alternator. 3.how many types of dg oils.

Bhel,

1.what type of oil used in tranformer. 2.oil vesocity. 3.oil gauge. 4.witch time oil filterring & how much temperature maintaned.

NTPC, Reliance,

1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

L&T,

1.type of oil in used in transformer.

1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

Areva, Google,

1.stranded resistance values of motors? 2.how to calculate the resistance values of single phase and 3phase motors?

Bell, L&T,

why are installed water leakage detection system data centers & server rooms

Reliance,