Answer Posted / divya

option c

Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

1974

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

1867

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is it true there's a big difference in using Cummins or Denyo...especially power output or leakage

1891

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What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?

1941

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what is mean by Digital Logic Meter (DLM)

2320

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What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!

2375

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High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

2038

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Please explain, how to test vector group of tranformer(Delta y1) . Thank

1660

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What is maximum power transfer theorem?

1035

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Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.

1539

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Define average demand?

1300

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What are the essential characteristics of signal flow graphs?

1043

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what is the ATS .And how it works.

1545

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Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core

3035

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Wind mill

1826

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