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Engineering AllOther (1379) As electromagnetic waves travel in space only one can happen absorption attenuation reflection refraction
4 11241directional relay is typically used to respond in fault condition who it can be used just as reverse power protection which purely senes direction reversal to operate a circuit breaker?
1 3992I have carried out wiring for lighting in a shed in Industrial area which contains Metal halide lamps & have balanced in 3ph.Now when we put all the lines on in the daytime the current taken at 3phases at MCB comes to be equal i.e.28,29,28Amps respectively but in the night time i.e between 7p.m.to 11p.m. at the same MCb the current is 52,59,62Amp, though I have fit 63A MCB it is tripping in the above period.What may be the reason.? Note: This industry is located in industrial area where majority of steel ingot manufacturing plants are there. Whether this may be due to harmonic? what should I do to overcome above problem.pl suggest urgently.
4 6614If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.
2273
What is touch potential and step potential?
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
quantizer means?
for compensate 315mh inductance ,how many capaciance required?
In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?
how does a generator work?
What type of questions are asked in interview?
What is Maru A Process?
what is the relative size of single and three phase?
what is the basic need of domestic loads 1- voltage 2- current
Which motor connection is preferable star-delta or delta-star?
Explain the Zardosi work
hai im going to face ibps SO IT officers grade 1 interview. if anyone had an idea plz tel me expected and experienced questions and mail to anusha_k_anu@yahoo.com
cement and sand required for one block of size 0.23*0.15*0.46
Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?