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hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)
18841)what is hypo test. 2) which cable need to hypo test.3) when hypo test can be done before or after glanding.4) what is the purpose of hypo test.
5 38051WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?
1759what is the accaptable voltage between neutral to earth & How to reduse the resistance of earth in chemical earthing
4 70241.what is the difference between MPCB and MCB ? 2.what is the difference between MPCB and MCCB ?
6 48703Why r used of cable 50sq.mm and above size cable in 3.5 core. And below size in 4 core ? any technical reason please explain it
2 5197WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?
1 3735transformer 3 ph, 225 kva pri 480v, sec 208v. primary neutral connected to system, is secondary neutral to be grounded and how
1 4059Post New Electrical Engineering Questions
what is the current setting for different relay protection for transformer .
Why neutral point is consider as zero potential?
how can decide the current rating of oltc
what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero
what is the difference between electrical choke and electronic choke?
what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?
Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
Give atleast 20 alternating current apparatus and devices.
what is the basic need of domestic loads 1- voltage 2- current
Please define ohm’s law for a.c (alternating current)?
what is difference between window type and wound type transformers?where we will use window type and wound type transformers?
What was the Dg set radiator and lube oil temperatures trip in ACB
what is (+) and (-) in generator field detector stand for?
What is the rating of a circuit breaker needed for 300 kv load in 33KV supply line of 33/415 transformer ? Whether 800/1200 amp vaccum circuit breaker can perform for a 33 KV line in input in 415 volt in output of the transformer ?
Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?
