why does a dc machine has high efficiency while working as a generator than as a motor ..
how hydrogen cooled alternator undergo maintanence ? that is
hydrogen when come in contact with air can result into
if voltage bt phase & nutral is 38v in a panel board .
whats the root cause.
my diploma certificate in my higher education college
please send the IS strandard for electrical to
Transfer function is == ?
a. Mathematical model b. System with no physical structure c. Can be calculated through differential equations
apti mainly on logical reasoning, verbal and non-verbal
ability (70 percent) and remaining technical. I was in ee
but technical had mech ques like on turbines and welding.
what is a types of short circuit and what is a types of
distance protection tests
sir i have cleared the apti test of EIL held on 15th march
and my interview will be in new delhi on 2nd june.i will be
very much helpful if u help me regarding the type of
interview questions comes at
why and how voltage sharing in transformer, during magnetic
balance test ?
i've iocl interview.. if you know the interview process
please give me information..
I have an existing old MCCB. ABB Model SACE, the rating
are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800
amps at 45 deg C. I need a circuit breaker for my 3 phase
motors, 380 volts 60 hz. the supplier required the minimum
ampacity of the breaker to be 911 amps. can i use this
breaker with rating of Iu =1250 amps but Ith = 800amps
Whether IP65 enclosure box blocks ventilation if driver for
LED have to enclosed inside IP65 box
how can you calculate fault level ?
what happen if i change the polarity of ac when it is
connected with motor