what about electrical pannel.? What is meant by plc pannel.?

0 Answers   TATA,

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pls,send the previous year written test questions.

0 Answers  

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Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

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A IS TWICE AS GOOD A WORKMAN AS B AND TOGETHER THEY FINISH A PIECE OF WORK IN 14 DAYS.THE NUMBER OF DAYS TAKEN BY A ALONE TO FINISH THE WORK IS 1.11 2.21 3.28 4.42

3 Answers   Ramky,

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I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

2 Answers  

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What is vector group? What is meant by DYN11?Why is it needed?

13 Answers   Areva, Bhel, BRG, Escorts, Fortis,

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HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

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what is the isolation transformer. what is the isolator?

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WHY SPEAKER OUTPUT IN WATTS??

2 Answers  

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transformers parts & function of each parts

25 Answers   Amara Raja, Bhutan Ferro Alloys Limited, Breather, Electrical, Electrical Tech, ERDA, GVK, Juniper Networks, Matrix, Mechanical, NFL, Oracle, Pyramid Plastics, RPPL, RRB, Siemens, TCS, Tulip Silk Mills,

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Since phi is the angular displacement between V & I, then why we use phi in power triangle ie. when showing active, reactive & apperent power in triangular manner & if it is ok then where is V & I in the triangle.

1 Answers  

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what are the sample questions asking to the test cunducting for electrical superwising lisence test?

0 Answers   APTransco,

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