Answer Posted / k.prakashchandra
It could be non-directional relay which is cheaper than
directional relay and used wherever current is not expected
in both directions.
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....
I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz
hr round
what is transient voltage?
What is the suitable transmission voltage?
Power Factor Correction Panel (Manual & Automatic)
when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.
how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com
What is meant by reactance voltage?
What is transient response?
What is a Phase shift meter? Where can I get one?
is ac supply can store
how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?
What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?
List the advantages of star-delta starter with induction motor?