Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / sanjay n
Relay is a electromechanical switch which requires AC/DC
supply to operate it.By giving the reqired supply the coil
get magnetised and it makes or breaks the contact.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???
What is the accepted limit to increase the choosen transformer capacity over the load and why ?
What is meant by system?
why cable i burning without tripping. how can protect led street lights
What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.
How is the speed of a DC shunt motor related to the armature current?
How many methods use the load flow solution?
What is the role of feedback in a closed loop control system?
what is fault level of power system ?
Do inductive loads have distorted current waveforms ?
can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?
While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens
The height to which the liquid in a tank to be maintained for a certain constant velocity?
In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????
