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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the function of buchhos rely in transformer

5 8814

what is the function of conservater in transformer

3 13030

what is the function of cooling tubes in transformer

4 27277

kindly tell me how the load on generator increase by just increasing the fuel of prime mover, as if for exampple 20 MW gen set is synchronized the load ramps from zero to 20 MW gradully and during this procress only fuel of prime mover increases. Which thing determines the load on generator with respect to fuel

Birla,

4 16280

Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

1963

Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2374

Differenciate between circuit wiring and sub main wiring with illustrations

MU,

2296

3. What is Impedance Voltage in Transformer?

KESC, L&T, Torrent Power,

16 114558

5. What is PMG in Alternators?

L&T,

11 47922

Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

2301

why are you interested in joining in core company instead of joing in software company

11 30815

how to test vector groups in transformer differential relay.

1 4213

Is it true that IPT are more accurate than CVT for Measuring purpose?

2 4700

is emf is indued if dc is passed through coil

5 8328

why transformer not work in dc

16 34916


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

1778


LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

2939


While testing LA mast,What are the parameter limits ?

1959


WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?

3246


On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?

4426


Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

2814


What is the different types of cable & current capacity of cable

2037


what will be the min and max voltage flow from neutral to earth?

1597


Factory acceptance test. FAT. For 132 kv transmisstion towers what is that meaning and what are the tests commonly companies perform now days.

1863


Air refrigeration cycle works on the

1152


What are the applications of autotransformers?

1157


what about SAP/MRP regarding manufacturing of electric motors and all drives?

2071


-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

2189


Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

2202


What are the difference between normal application Transformer and Solar application Transformer?

1705