i want all question & answers of the written exam
Answer Posted / ashrujeet banerjee
You can ask the examiner for the Question Paper & can ask him too for the answer sheet who has Scored full marks...
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
redundant connection in contactor?
at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)
what is the safty of poly phase tranformer?
Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?
how we can explain arc heatng?
what is the purpose that we use PLC system in power system
When is lag lead compensator is required?
how will we calculate the copper wire load..
Why collecting electrode of ESP to be earthed
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?
If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.
is it possible to have dc motors on single chip
What is “pu” in electrical engineering?
Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?
What are the relays in ACB and VCB