respetsed sir,
i have applied for section engg and juniour engg
for both chennai and tiruvunabthapur boards for electrical
deportments .
can u suggest what books i have to follow and and also from
which sections they r going ask (i mean weightage and what
topics i have to cover) for both se and je for both chennai
and tiruvunanthapur boards.......
what is carona and how is occur?
What is correction factor in Tan delta test?
Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.
What is chopper
what happens when a power transformer neutral earthing broken???
What is the difference b/w chock and ballast?
I need to compare the energy consumption of an industrial machine before and after improving. Shall I compare the apparent power or the active power? I know usually factories use compensated capacitors (or other similar components) to compensate the reactive power, so if I use the apparent power, it's not the real power consumed.
How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.
1.generator rated as 1000 mva,11kv .8 pf what will 0.8 pf will indicate? 1.max pf it can supply 2.min pf it can supply like this 4 options there what is answer.explain
why we multiply 11 in High Electric supply?(eg.11KV, 33Kv, 330Kv etc.)
In a 3 pin plug holder, what is the purpose of diameter of ground pin is larger than phase and nutral pin
what is inductive voltage transformer? what is its application and how it differs from capacitive voltage transformer?
1 Answers NRSC National Remote Sensing Centre,