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what ll happen if neutral is not shorted with phases while doing transformer short circuit test & what ll happen if neutral is connected to ground?
1 3934a. void main() { char a[6] = "INDIA"; while(*a) { printf("%c",*a); a++; } } 1. india 2. I N D I A 3. no output 4. error 5.Null
1 11679c. int m = 10; main() { int m = 20; {int m = 30;} printf("%d %d",m,::m); 1. 10 10 2. 10 20 3. 20 10 4. 20 30 5. 30 20 6. None
2 5924what is difference between isolation and ultra isolation transformer?, what is the method of testing ?
4331How can I indicate rpm on digital rpm meter with help of simple tacho output? tacho output is 90v at 3000rpm.
2 4139WHAT IS METHOD TO DESIGN SIZE OF A 11KV UNDER GROUND CABLE FOR A OUTGOING FEEDER FEEDING 6NOS 250KVA TRANSFORMERS WITH 5KM LENGTH OF FEEDER?
1 3502why should be the frequency is 50 hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50
3 7401How to find the maximum load that can supply by a particular(say 315kva) KVA rated transformer?
ME,
2 4997Post New Electrical Engineering Questions
what is the effect of un-synchronized power.
what is the difference between Power and Distribution transformers ?
Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?
PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??
how oti and wti connections are different from each other?
why the making current is more than then the breaking current and if its true then its about a controling circuit or breaker power contact points
How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?
What is PQA???Applications........
Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.
What is vaccum currcuit breaker.define with cause and where be use it device?
can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.
EXPLAIN THE TRANSFORMER MAINTENANCE?
1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?
How do we calculate over and under frequency tolerance from generator data?
What is the dc grounding system and what is diff between AC/DC grounding system?
