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I want to apply for ONGC recruitment 2012 .I am BE Electrical but it is mentioned that to apply for this post you have to have Electrical supervisor certificate .so please tell me from where can i get such certificate ???
1 3414is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?
2138how did i get the competency certificate as electricle supervisor. iam completed my b.tech.but i dnt have any experince, this certificate is required for applyng ongc mangement trainees. what should i do sir please suggested me
ONGC,
1906How can we calculate No load and full load torque of electrical machines, i.e. motor or alternator?
1 4037what is the use of providing earthing for tanks? i know for lightning we use earthing ? Here one of my ONGC project there is no need of lightning protection and there is no power connection near by tank in that situation also ONGC asking earthing for tanks but we didn't understanding why they asking earthing? is anybody tell exact answer?
4 5759If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?
2071What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?
2091Post New Electrical Engineering Questions
What is different between Difnit time and instatous over current relay
how pt is using
Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing
why is the power generator connected as star earthed or star earthed through reactance and what its features ?
what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?
for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
How many sprinklers should be in one pipe line?
What is a slack bus?
Explain and give examples about VCB?
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
how to find the capacitance value of the motor while running??
oil cooled transformer
Differentiate between digital phase converter and ordinary phase converter.
11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?
What's the difference between non break power supply and non break non short break power supply
