Answer Posted / sewagudde
a relay is a device used to measure as specific quantity
(current, voltage, frequency,phase displacement etc)and
should that above quantity deviate from the preset nominal
value then a signal is sent to the circuit breaker to
operate.
| Is This Answer Correct ? | 1 Yes | 11 No |
Post New Answer View All Answers
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
how can i get an electrical c-certificate?
What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?
Define open loop control system.
what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator
Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control
Dear sir, I have completed DECE in the year 1995. I have work experience in HT and LT LINE more than five years. Now i am doing BE in EEE from rajasthan university. After completion of BE,can i apply "C" Licence sir? Please reply.
How you will determine the volume of oil in a particular Distribution transformer.
In motors how many types of cooling systems were used?
A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is
i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com
What are the advantages of a three-phase system over a single-phase system?
how solar power plant energy meter multiplication factor
Define active filter?
what are the ''pitting rings''and how cn they be controlled in a series generator