if 400kv line is connected to the load but neutral ii not be connceted then wt ll happen1 3045
what is gapless metal oxide techniques?1 2578
I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150 and 1600 KVA respectively. The total connected load 16809 KVA(11/0.433KV).how i calculate the max current & how i decided the CMD.2 2369
What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?1564
eddy current losses depends on?(a-max magnetic feild,b-avg magnetic feild,c-on frequency,d-on square of frequency)?
For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel
Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None
can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?1433
VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?1 2721
For Eg a 30 kw motor at full load how much kw it takes And at no load how much KW it will take?
For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?
At full load wat is the motor p.f And at no load will is the motor p.f?
Load break swicth maintenance procedure.
Why Neutral Isolation is required?
how does WTI work ?
when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)
in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?
how does high earth to neutral voltage affects electronic circuit?
why do we put a transformer on soak before loading it
What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?
what is the meaning of vcc
How line capacitance & line inductance varies with increase in height tower.
DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS
placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!
what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer
Why back emf used for a dc motor? Highlight its significance.
How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?