Answer Posted / arun singh from jetking ldh.

A transformer is a device which is used for transfering
electrical energy from one circuit to another throgh
transformar coil.

What type of a DC motor would you use for a lift?

1122

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if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

1953

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why to use freewheeling diode ( diode in revers bias mode) across dc coil

5104

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what percent do you derate your copper wire when you change from copper buss to copper wire

2044

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how to find three phase complex power in per unit and MVA?

2261

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What is quadrantal symmetry?

1711

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in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

2349

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what is the differebt between ac and dc fuse?

2381

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As we use capacitor bank in 3ph ckt to improve PF, can we use capacitor in single ph domestric use, in house we have Fan,Mixer,electric cooker,iron,tube choke they also lag the system,because it is inductive load. if it is possible to improve PF of single ph system-- if yes- type of capacitor to be used,connection diagram, working in detail. if no-- list it.

1845

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either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?

1931

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Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

2430

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what is vA rating and class of a ct.

1934

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Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?

1991

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A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

2311

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Post possible questions for Power Factor Panel FAT / SAT

1450

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